Update aosp/master LLVM for rebase to r222494.

Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d

67 files changed, 822 insertions, 453 deletions

diff --git a/test/Linker/2003-01-30-LinkerRename.ll b/test/Linker/2003-01-30-LinkerRename.ll
index cbf7541..1e25d3e 100644
--- a/test/Linker/2003-01-30-LinkerRename.ll
+++ b/test/Linker/2003-01-30-LinkerRename.ll
@@ -1,10 +1,17 @@
-; This fails because the linker renames the external symbol not the internal 
-; one...
-
-; RUN: echo "define internal i32 @foo() { ret i32 7 } " | llvm-as > %t.1.bc
+; RUN: llvm-as %S/Inputs/2003-01-30-LinkerRename.ll -o %t.1.bc
 ; RUN: llvm-as %s -o %t.2.bc
 ; RUN: llvm-link %t.1.bc %t.2.bc -S | FileCheck %s
-; CHECK: internal{{.*}}@foo{{[0-9]}}()
 
-define i32 @foo() { ret i32 0 }
+; CHECK: @bar = global i32 ()* @foo2
+
+; CHECK:      define internal i32 @foo2() {
+; CHECK-NEXT:   ret i32 7
+; CHECK-NEXT: }
+
+; CHECK:      define i32 @foo() {
+; CHECK-NEXT:   ret i32 0
+; CHECK-NEXT: }
 
+define i32 @foo() {
+  ret i32 0
+}
diff --git a/test/Linker/2003-05-31-LinkerRename.ll b/test/Linker/2003-05-31-LinkerRename.ll
index 2e734be..0261fe3 100644
--- a/test/Linker/2003-05-31-LinkerRename.ll
+++ b/test/Linker/2003-05-31-LinkerRename.ll
@@ -1,18 +1,23 @@
-; The funcresolve pass will (intentionally) llvm-link an _internal_ function 
-; body with an external declaration.  Because of this, if we LINK an internal 
-; function body into a program that already has an external declaration for 
-; the function name, we must rename the internal function to something that 
-; does not conflict.
-
-; RUN: echo " define internal i32 @foo() { ret i32 7 } " | llvm-as > %t.1.bc
-; RUN: llvm-as < %s > %t.2.bc
+; RUN: llvm-as %S/Inputs/2003-05-31-LinkerRename.ll -o %t.1.bc
+; RUN: llvm-as  %s -o %t.2.bc
 ; RUN: llvm-link %t.1.bc %t.2.bc -S | FileCheck %s
-; CHECK: internal {{.*}} @foo{{[0-9]}}(
 
-declare i32 @foo() 
+; CHECK: @bar = global i32 ()* @foo2
+
+; CHECK:      define internal i32 @foo2() {
+; CHECK-NEXT:   ret i32 7
+; CHECK-NEXT: }
+
+; CHECK: declare i32 @foo()
 
-define i32 @test() { 
+; CHECK:      define i32 @test() {
+; CHECK-NEXT:   %X = call i32 @foo()
+; CHECK-NEXT:   ret i32 %X
+; CHECK-NEXT: }
+
+declare i32 @foo()
+
+define i32 @test() {
   %X = call i32 @foo()
   ret i32 %X
 }
-
diff --git a/test/Linker/2008-03-05-AliasReference.ll b/test/Linker/2008-03-05-AliasReference.ll
index 7c19dfa..8ce1ccb 100644
--- a/test/Linker/2008-03-05-AliasReference.ll
+++ b/test/Linker/2008-03-05-AliasReference.ll
@@ -8,7 +8,7 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3
 target triple = "x86_64-unknown-linux-gnu"
 @foo = weak global i32 0		; <i32*> [#uses=1]
 
-@bar = alias weak i32* @foo		; <i32*> [#uses=1]
+@bar = weak alias i32* @foo		; <i32*> [#uses=1]
 
 define i32 @baz() nounwind  {
 entry:
diff --git a/test/Linker/2009-09-03-mdnode.ll b/test/Linker/2009-09-03-mdnode.ll
index 11862f7..d9871b2 100644
--- a/test/Linker/2009-09-03-mdnode.ll
+++ b/test/Linker/2009-09-03-mdnode.ll
@@ -26,5 +26,6 @@ declare void @llvm.dbg.stoppoint(i32, i32, metadata) nounwind readnone
 
 declare void @llvm.dbg.region.end(metadata) nounwind readnone
 
-!0 = metadata !{i32 458798, i32 0, metadata !1, metadata !"main", metadata !"main", metadata !"main", metadata !1, i32 2, null, i1 false, i1 true}
-!1 = metadata !{i32 458769, i32 0, i32 12, metadata !"a.c", metadata !"/home/rich/ellcc/test/source", metadata !"ellcc 0.1.0", i1 true, i1 true, metadata !"", i32 0}
+!0 = metadata !{metadata !"0x2e\00main\00main\00main\002\000\001\000\006\000\000\000", i32 0, metadata !1, null, null, null, null, null} ; [ DW_TAG_subprogram ]
+!1 = metadata !{metadata !"0x11\0012\00ellcc 0.1.0\001\00\000\00\000", metadata !2, null, null, null, null, null} ; [ DW_TAG_compile_unit ]
+!2 = metadata !{metadata !"a.c", metadata !"/home/rich/ellcc/test/source"}
diff --git a/test/Linker/2009-09-03-mdnode2.ll b/test/Linker/2009-09-03-mdnode2.ll
index 21589a4..b01f947 100644
--- a/test/Linker/2009-09-03-mdnode2.ll
+++ b/test/Linker/2009-09-03-mdnode2.ll
@@ -21,5 +21,6 @@ declare void @llvm.dbg.stoppoint(i32, i32, metadata) nounwind readnone
 
 declare void @llvm.dbg.region.end(metadata) nounwind readnone
 
-!0 = metadata !{i32 458798, i32 0, metadata !1, metadata !"f", metadata !"f", metadata !"f", metadata !1, i32 1, null, i1 false, i1 true}
-!1 = metadata !{i32 458769, i32 0, i32 12, metadata !"b.c", metadata !"/home/rich/ellcc/test/source", metadata !"ellcc 0.1.0", i1 true, i1 true, metadata !"", i32 0}
+!0 = metadata !{metadata !"0x2e\00f\00f\00f\001\000\001\000\006\000\000\000", i32 0, metadata !1, null, null, null, null, null} ; [ DW_TAG_subprogram ]
+!1 = metadata !{metadata !"0x11\0012\00ellcc 0.1.0\001\00\000\00\000", metadata !2, null, null, null, null, null} ; [ DW_TAG_compile_unit ]
+!2 = metadata !{metadata !"b.c", metadata !"/home/rich/ellcc/test/source"}
diff --git a/test/Linker/2011-08-04-DebugLoc.ll b/test/Linker/2011-08-04-DebugLoc.ll
index d26e8cd..a9307af 100644
--- a/test/Linker/2011-08-04-DebugLoc.ll
+++ b/test/Linker/2011-08-04-DebugLoc.ll
@@ -17,15 +17,15 @@ define i32 @foo() nounwind ssp {
 !llvm.module.flags = !{!11}
 !llvm.dbg.sp = !{!1}
 
-!0 = metadata !{i32 589841, metadata !8, i32 12, metadata !"Apple clang version 3.0 (tags/Apple/clang-209.11) (based on LLVM 3.0svn)", i1 true, metadata !"", i32 0, metadata !9, metadata !9, metadata !10, null, null, metadata !""} ; [ DW_TAG_compile_unit ]
-!1 = metadata !{i32 589870, metadata !8, metadata !2, metadata !"foo", metadata !"foo", metadata !"", i32 2, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, i32 ()* @foo, null, null, null, i32 0} ; [ DW_TAG_subprogram ] [line 2] [def] [scope 0] [foo]
-!2 = metadata !{i32 589865, metadata !8} ; [ DW_TAG_file_type ]
-!3 = metadata !{i32 589845, metadata !8, metadata !2, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!0 = metadata !{metadata !"0x11\0012\00Apple clang version 3.0 (tags/Apple/clang-209.11) (based on LLVM 3.0svn)\001\00\000\00\000", metadata !8, metadata !9, metadata !9, metadata !10, null, null} ; [ DW_TAG_compile_unit ]
+!1 = metadata !{metadata !"0x2e\00foo\00foo\00\002\000\001\000\006\000\000\000", metadata !8, metadata !2, metadata !3, null, i32 ()* @foo, null, null, null} ; [ DW_TAG_subprogram ] [line 2] [def] [scope 0] [foo]
+!2 = metadata !{metadata !"0x29", metadata !8} ; [ DW_TAG_file_type ]
+!3 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", metadata !8, metadata !2, null, metadata !4, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !4 = metadata !{metadata !5}
-!5 = metadata !{i32 589860, null, metadata !0, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
+!5 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, metadata !0} ; [ DW_TAG_base_type ]
 !6 = metadata !{i32 2, i32 13, metadata !7, null}
-!7 = metadata !{i32 589835, metadata !8, metadata !1, i32 2, i32 11, i32 0} ; [ DW_TAG_lexical_block ]
+!7 = metadata !{metadata !"0xb\002\0011\000", metadata !8, metadata !1} ; [ DW_TAG_lexical_block ]
 !8 = metadata !{metadata !"a.c", metadata !"/private/tmp"}
 !9 = metadata !{i32 0}
 !10 = metadata !{metadata !1}
-!11 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!11 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
diff --git a/test/Linker/2011-08-04-DebugLoc2.ll b/test/Linker/2011-08-04-DebugLoc2.ll
index c20941d..948dd18 100644
--- a/test/Linker/2011-08-04-DebugLoc2.ll
+++ b/test/Linker/2011-08-04-DebugLoc2.ll
@@ -14,15 +14,15 @@ define i32 @bar() nounwind ssp {
 !llvm.module.flags = !{!11}
 !llvm.dbg.sp = !{!1}
 
-!0 = metadata !{i32 589841, metadata !8, i32 12, metadata !"Apple clang version 3.0 (tags/Apple/clang-209.11) (based on LLVM 3.0svn)", i1 true, metadata !"", i32 0, metadata !9, metadata !9, metadata !10, null, null, metadata !""} ; [ DW_TAG_compile_unit ]
-!1 = metadata !{i32 589870, metadata !8, metadata !2, metadata !"bar", metadata !"bar", metadata !"", i32 1, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, i32 ()* @bar, null, null, null, i32 0} ; [ DW_TAG_subprogram ] [line 1] [def] [scope 0] [bar]
-!2 = metadata !{i32 589865, metadata !8} ; [ DW_TAG_file_type ]
-!3 = metadata !{i32 589845, metadata !8, metadata !2, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!0 = metadata !{metadata !"0x11\0012\00Apple clang version 3.0 (tags/Apple/clang-209.11) (based on LLVM 3.0svn)\001\00\000\00\000", metadata !8, metadata !9, metadata !9, metadata !10, null, null} ; [ DW_TAG_compile_unit ]
+!1 = metadata !{metadata !"0x2e\00bar\00bar\00\001\000\001\000\006\000\000\000", metadata !8, metadata !2, metadata !3, null, i32 ()* @bar, null, null, null} ; [ DW_TAG_subprogram ] [line 1] [def] [scope 0] [bar]
+!2 = metadata !{metadata !"0x29", metadata !8} ; [ DW_TAG_file_type ]
+!3 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", metadata !8, metadata !2, null, metadata !4, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !4 = metadata !{metadata !5}
-!5 = metadata !{i32 589860, null, metadata !0, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
+!5 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, metadata !0} ; [ DW_TAG_base_type ]
 !6 = metadata !{i32 1, i32 13, metadata !7, null}
-!7 = metadata !{i32 589835, metadata !8, metadata !1, i32 1, i32 11, i32 0} ; [ DW_TAG_lexical_block ]
+!7 = metadata !{metadata !"0xb\001\0011\000", metadata !8, metadata !1} ; [ DW_TAG_lexical_block ]
 !8 = metadata !{metadata !"b.c", metadata !"/private/tmp"}
 !9 = metadata !{i32 0}
 !10 = metadata !{metadata !1}
-!11 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!11 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
diff --git a/test/Linker/2011-08-04-Metadata.ll b/test/Linker/2011-08-04-Metadata.ll
index cdf4f6f..7bdbb33 100644
--- a/test/Linker/2011-08-04-Metadata.ll
+++ b/test/Linker/2011-08-04-Metadata.ll
@@ -2,7 +2,8 @@
 ; RUN: llvm-dis < %t.bc | FileCheck %s
 ; Test if internal global variable's debug info is merged appropriately or not.
 
-;CHECK:  metadata !{i32 589876, i32 0, metadata !{{[0-9]+}}, metadata !"x", metadata !"x", metadata !"", metadata !{{[0-9]+}}, i32 1, metadata !{{[0-9]+}}, i32 1, i32 1, i32* @x1}
+;CHECK:  metadata !{metadata !"0x34\00x\00x\00\002\001\001", metadata !{{[0-9]+}}, metadata !{{[0-9]+}}, metadata !{{[0-9]+}}, i32* @x}
+;CHECK:  metadata !{metadata !"0x34\00x\00x\00\001\001\001", metadata !{{[0-9]+}}, metadata !{{[0-9]+}}, metadata !{{[0-9]+}}, i32* @x1}
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
 target triple = "x86_64-apple-macosx10.7.0"
 
@@ -19,15 +20,15 @@ entry:
 !llvm.dbg.sp = !{!1}
 !llvm.dbg.gv = !{!5}
 
-!0 = metadata !{i32 589841, metadata !9, i32 12, metadata !"clang version 3.0 ()", i1 true, metadata !"", i32 0, metadata !4, metadata !4, metadata !10, null, null, metadata !""}
-!1 = metadata !{i32 589870, metadata !9, metadata !2, metadata !"foo", metadata !"foo", metadata !"", i32 3, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, void ()* @foo, null, null, null, i32 0} ; [ DW_TAG_subprogram ] [line 3] [def] [scope 0] [foo]
-!2 = metadata !{i32 589865, metadata !9}
-!3 = metadata !{i32 589845, metadata !9, metadata !2, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!0 = metadata !{metadata !"0x11\0012\00clang version 3.0 ()\001\00\000\00\000", metadata !9, metadata !4, metadata !4, metadata !10, null, null} ; [ DW_TAG_compile_unit ]
+!1 = metadata !{metadata !"0x2e\00foo\00foo\00\003\000\001\000\006\000\000\000", metadata !9, metadata !2, metadata !3, null, void ()* @foo, null, null, null} ; [ DW_TAG_subprogram ] [line 3] [def] [scope 0] [foo]
+!2 = metadata !{metadata !"0x29", metadata !9} ; [ DW_TAG_file_type ]
+!3 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", metadata !9, metadata !2, null, metadata !4, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !4 = metadata !{null}
-!5 = metadata !{i32 589876, i32 0, metadata !0, metadata !"x", metadata !"x", metadata !"", metadata !2, i32 2, metadata !6, i32 1, i32 1, i32* @x}
-!6 = metadata !{i32 589860, null, metadata !0, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5}
+!5 = metadata !{metadata !"0x34\00x\00x\00\002\001\001", metadata !0, metadata !2, metadata !6, i32* @x} ; [ DW_TAG_variable ]
+!6 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, metadata !0} ; [ DW_TAG_base_type ]
 !7 = metadata !{i32 3, i32 14, metadata !8, null}
-!8 = metadata !{i32 589835, metadata !9, metadata !1, i32 3, i32 12, i32 0}
+!8 = metadata !{metadata !"0xb\003\0012\000", metadata !9, metadata !1} ; [ DW_TAG_lexical_block ]
 !9 = metadata !{metadata !"/tmp/one.c", metadata !"/Volumes/Lalgate/Slate/D"}
 !10 = metadata !{metadata !1}
-!11 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!11 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
diff --git a/test/Linker/2011-08-04-Metadata2.ll b/test/Linker/2011-08-04-Metadata2.ll
index 80884cc..fcf72aa 100644
--- a/test/Linker/2011-08-04-Metadata2.ll
+++ b/test/Linker/2011-08-04-Metadata2.ll
@@ -19,15 +19,15 @@ entry:
 !llvm.dbg.sp = !{!1}
 !llvm.dbg.gv = !{!5}
 
-!0 = metadata !{i32 589841, metadata !9, i32 12, metadata !"clang version 3.0 ()", i1 true, metadata !"", i32 0, metadata !4, metadata !4, metadata !10, null, null, metadata !""}
-!1 = metadata !{i32 589870, metadata !9, metadata !2, metadata !"bar", metadata !"bar", metadata !"", i32 2, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, void ()* @bar, null, null, null, i32 0} ; [ DW_TAG_subprogram ] [line 2] [def] [scope 0] [bar]
-!2 = metadata !{i32 589865, metadata !9}
-!3 = metadata !{i32 589845, metadata !9, metadata !2, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!0 = metadata !{metadata !"0x11\0012\00clang version 3.0 ()\001\00\000\00\000", metadata !9, metadata !4, metadata !4, metadata !10, null, null} ; [ DW_TAG_compile_unit ]
+!1 = metadata !{metadata !"0x2e\00bar\00bar\00\002\000\001\000\006\000\000\000", metadata !9, metadata !2, metadata !3, null, void ()* @bar, null, null, null} ; [ DW_TAG_subprogram ] [line 2] [def] [scope 0] [bar]
+!2 = metadata !{metadata !"0x29", metadata !9} ; [ DW_TAG_file_type ]
+!3 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", metadata !9, metadata !2, null, metadata !4, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !4 = metadata !{null}
-!5 = metadata !{i32 589876, i32 0, metadata !0, metadata !"x", metadata !"x", metadata !"", metadata !2, i32 1, metadata !6, i32 1, i32 1, i32* @x}
-!6 = metadata !{i32 589860, null, metadata !0, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5}
+!5 = metadata !{metadata !"0x34\00x\00x\00\001\001\001", metadata !0, metadata !2, metadata !6, i32* @x} ; [ DW_TAG_variable ]
+!6 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, metadata !0} ; [ DW_TAG_base_type ]
 !7 = metadata !{i32 2, i32 14, metadata !8, null}
-!8 = metadata !{i32 589835, metadata !9, metadata !1, i32 2, i32 12, i32 0}
+!8 = metadata !{metadata !"0xb\002\0012\000", metadata !9, metadata !1} ; [ DW_TAG_lexical_block ]
 !9 = metadata !{metadata !"/tmp/two.c", metadata !"/Volumes/Lalgate/Slate/D"}
 !10 = metadata !{metadata !1}
-!11 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!11 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
diff --git a/test/Linker/2011-08-18-unique-class-type.ll b/test/Linker/2011-08-18-unique-class-type.ll
index b077f23..6fa2126 100644
--- a/test/Linker/2011-08-18-unique-class-type.ll
+++ b/test/Linker/2011-08-18-unique-class-type.ll
@@ -11,30 +11,30 @@ target triple = "x86_64-apple-macosx10.7.0"
 define void @_Z3fooN2N11AE() nounwind uwtable ssp {
 entry:
   %mya = alloca %"class.N1::A", align 1
-  call void @llvm.dbg.declare(metadata !{%"class.N1::A"* %mya}, metadata !9), !dbg !13
+  call void @llvm.dbg.declare(metadata !{%"class.N1::A"* %mya}, metadata !9, metadata !{metadata !"0x102"}), !dbg !13
   ret void, !dbg !14
 }
 
-declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
+declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
 
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!18}
 
-!0 = metadata !{i32 720913, metadata !16, i32 4, metadata !"clang version 3.0 (trunk 137954)", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, null, metadata !""} ; [ DW_TAG_compile_unit ]
+!0 = metadata !{metadata !"0x11\004\00clang version 3.0 (trunk 137954)\001\00\000\00\000", metadata !16, metadata !2, metadata !2, metadata !3, metadata !2, null} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{metadata !2}
 !2 = metadata !{i32 0}
 !3 = metadata !{metadata !5}
-!5 = metadata !{i32 720942, metadata !16, metadata !6, metadata !"foo", metadata !"foo", metadata !"_Z3fooN2N11AE", i32 4, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z3fooN2N11AE, null, null, null, i32 0} ; [ DW_TAG_subprogram ] [line 4] [def] [scope 0] [foo]
-!6 = metadata !{i32 720937, metadata !16} ; [ DW_TAG_file_type ]
-!7 = metadata !{i32 720917, metadata !16, metadata !6, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!5 = metadata !{metadata !"0x2e\00foo\00foo\00_Z3fooN2N11AE\004\000\001\000\006\00256\000\000", metadata !16, metadata !6, metadata !7, null, void ()* @_Z3fooN2N11AE, null, null, null} ; [ DW_TAG_subprogram ] [line 4] [def] [scope 0] [foo]
+!6 = metadata !{metadata !"0x29", metadata !16} ; [ DW_TAG_file_type ]
+!7 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", metadata !16, metadata !6, null, metadata !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !8 = metadata !{null}
-!9 = metadata !{i32 721153, metadata !5, metadata !"mya", metadata !6, i32 16777220, metadata !10, i32 0, i32 0} ; [ DW_TAG_arg_variable ]
-!10 = metadata !{i32 720898, metadata !17, metadata !11, metadata !"A", i32 3, i64 8, i64 8, i32 0, i32 0, null, metadata !2, i32 0, null, null, null} ; [ DW_TAG_class_type ] [A] [line 3, size 8, align 8, offset 0] [def] [from ]
-!11 = metadata !{i32 720953, metadata !17, null, metadata !"N1", i32 2} ; [ DW_TAG_namespace ]
-!12 = metadata !{i32 720937, metadata !17} ; [ DW_TAG_file_type ]
+!9 = metadata !{metadata !"0x101\00mya\0016777220\000", metadata !5, metadata !6, metadata !10} ; [ DW_TAG_arg_variable ]
+!10 = metadata !{metadata !"0x2\00A\003\008\008\000\000\000", metadata !17, metadata !11, null, metadata !2, null, null, null} ; [ DW_TAG_class_type ] [A] [line 3, size 8, align 8, offset 0] [def] [from ]
+!11 = metadata !{metadata !"0x39\00N1\002", metadata !17, null} ; [ DW_TAG_namespace ]
+!12 = metadata !{metadata !"0x29", metadata !17} ; [ DW_TAG_file_type ]
 !13 = metadata !{i32 4, i32 12, metadata !5, null}
 !14 = metadata !{i32 4, i32 18, metadata !15, null}
-!15 = metadata !{i32 720907, metadata !16, metadata !5, i32 4, i32 17, i32 0} ; [ DW_TAG_lexical_block ]
+!15 = metadata !{metadata !"0xb\004\0017\000", metadata !16, metadata !5} ; [ DW_TAG_lexical_block ]
 !16 = metadata !{metadata !"n1.c", metadata !"/private/tmp"}
 !17 = metadata !{metadata !"./n.h", metadata !"/private/tmp"}
-!18 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!18 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
diff --git a/test/Linker/2011-08-18-unique-class-type2.ll b/test/Linker/2011-08-18-unique-class-type2.ll
index 7bfcd91..97fdcd0 100644
--- a/test/Linker/2011-08-18-unique-class-type2.ll
+++ b/test/Linker/2011-08-18-unique-class-type2.ll
@@ -9,30 +9,30 @@ target triple = "x86_64-apple-macosx10.7.0"
 define void @_Z3barN2N11AE() nounwind uwtable ssp {
 entry:
   %youra = alloca %"class.N1::A", align 1
-  call void @llvm.dbg.declare(metadata !{%"class.N1::A"* %youra}, metadata !9), !dbg !13
+  call void @llvm.dbg.declare(metadata !{%"class.N1::A"* %youra}, metadata !9, metadata !{metadata !"0x102"}), !dbg !13
   ret void, !dbg !14
 }
 
-declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
+declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
 
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!18}
 
-!0 = metadata !{i32 720913, metadata !16, i32 4, metadata !"clang version 3.0 (trunk 137954)", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, null, metadata !""} ; [ DW_TAG_compile_unit ]
+!0 = metadata !{metadata !"0x11\004\00clang version 3.0 (trunk 137954)\001\00\000\00\000", metadata !16, metadata !2, metadata !2, metadata !3, metadata !2, null} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{metadata !2}
 !2 = metadata !{i32 0}
 !3 = metadata !{metadata !5}
-!5 = metadata !{i32 720942, i32 0, metadata !6, metadata !"bar", metadata !"bar", metadata !"_Z3barN2N11AE", i32 4, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z3barN2N11AE, null, null, null, i32 0} ; [ DW_TAG_subprogram ] [line 4] [def] [scope 0] [bar]
-!6 = metadata !{i32 720937, metadata !16} ; [ DW_TAG_file_type ]
-!7 = metadata !{i32 720917, metadata !16, metadata !6, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!5 = metadata !{metadata !"0x2e\00bar\00bar\00_Z3barN2N11AE\004\000\001\000\006\00256\000\000", i32 0, metadata !6, metadata !7, null, void ()* @_Z3barN2N11AE, null, null, null} ; [ DW_TAG_subprogram ] [line 4] [def] [scope 0] [bar]
+!6 = metadata !{metadata !"0x29", metadata !16} ; [ DW_TAG_file_type ]
+!7 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", metadata !16, metadata !6, null, metadata !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !8 = metadata !{null}
-!9 = metadata !{i32 721153, metadata !5, metadata !"youra", metadata !6, i32 16777220, metadata !10, i32 0, i32 0} ; [ DW_TAG_arg_variable ]
-!10 = metadata !{i32 720898, metadata !17, metadata !11, metadata !"A", i32 3, i64 8, i64 8, i32 0, i32 0, null, metadata !2, i32 0, null, null, null} ; [ DW_TAG_class_type ] [A] [line 3, size 8, align 8, offset 0] [def] [from ]
-!11 = metadata !{i32 720953, metadata !17, null, metadata !"N1", i32 2} ; [ DW_TAG_namespace ]
-!12 = metadata !{i32 720937, metadata !17} ; [ DW_TAG_file_type ]
+!9 = metadata !{metadata !"0x101\00youra\0016777220\000", metadata !5, metadata !6, metadata !10} ; [ DW_TAG_arg_variable ]
+!10 = metadata !{metadata !"0x2\00A\003\008\008\000\000\000", metadata !17, metadata !11, null, metadata !2, null, null, null} ; [ DW_TAG_class_type ] [A] [line 3, size 8, align 8, offset 0] [def] [from ]
+!11 = metadata !{metadata !"0x39\00N1\002", metadata !17, null} ; [ DW_TAG_namespace ]
+!12 = metadata !{metadata !"0x29", metadata !17} ; [ DW_TAG_file_type ]
 !13 = metadata !{i32 4, i32 12, metadata !5, null}
 !14 = metadata !{i32 4, i32 20, metadata !15, null}
-!15 = metadata !{i32 720907, metadata !16, metadata !5, i32 4, i32 19, i32 0} ; [ DW_TAG_lexical_block ]
+!15 = metadata !{metadata !"0xb\004\0019\000", metadata !16, metadata !5} ; [ DW_TAG_lexical_block ]
 !16 = metadata !{metadata !"n2.c", metadata !"/private/tmp"}
 !17 = metadata !{metadata !"./n.h", metadata !"/private/tmp"}
-!18 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!18 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
diff --git a/test/Linker/2011-08-18-unique-debug-type.ll b/test/Linker/2011-08-18-unique-debug-type.ll
index 0e14f46..e9dcf87 100644
--- a/test/Linker/2011-08-18-unique-debug-type.ll
+++ b/test/Linker/2011-08-18-unique-debug-type.ll
@@ -1,6 +1,6 @@
 ; RUN: llvm-link %s %p/2011-08-18-unique-debug-type2.ll -S -o - | FileCheck %s
 ; Test to check only one MDNode for "int" after linking.
-; CHECK: !"int"
+; CHECK: !"0x24\00int\00{{.*}}"
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
 target triple = "x86_64-apple-macosx10.7.0"
 
@@ -12,16 +12,16 @@ entry:
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!13}
 
-!0 = metadata !{i32 720913, metadata !12, i32 12, metadata !"clang version 3.0 (trunk 137954)", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, null, metadata !""} ; [ DW_TAG_compile_unit ]
+!0 = metadata !{metadata !"0x11\0012\00clang version 3.0 (trunk 137954)\001\00\000\00\000", metadata !12, metadata !2, metadata !2, metadata !3, metadata !2, null} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{metadata !2}
 !2 = metadata !{i32 0}
 !3 = metadata !{metadata !5}
-!5 = metadata !{i32 720942, metadata !12, metadata !6, metadata !"foo", metadata !"foo", metadata !"", i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, i32 ()* @foo, null, null, null, i32 0} ; [ DW_TAG_subprogram ] [line 1] [def] [scope 0] [foo]
-!6 = metadata !{i32 720937, metadata !12} ; [ DW_TAG_file_type ]
-!7 = metadata !{i32 720917, metadata !12, metadata !6, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!5 = metadata !{metadata !"0x2e\00foo\00foo\00\001\000\001\000\006\000\000\000", metadata !12, metadata !6, metadata !7, null, i32 ()* @foo, null, null, null} ; [ DW_TAG_subprogram ] [line 1] [def] [scope 0] [foo]
+!6 = metadata !{metadata !"0x29", metadata !12} ; [ DW_TAG_file_type ]
+!7 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", metadata !12, metadata !6, null, metadata !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !8 = metadata !{metadata !9}
-!9 = metadata !{i32 720932, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
+!9 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ]
 !10 = metadata !{i32 1, i32 13, metadata !11, null}
-!11 = metadata !{i32 720907, metadata !12, metadata !5, i32 1, i32 11, i32 0} ; [ DW_TAG_lexical_block ]
+!11 = metadata !{metadata !"0xb\001\0011\000", metadata !12, metadata !5} ; [ DW_TAG_lexical_block ]
 !12 = metadata !{metadata !"one.c", metadata !"/private/tmp"}
-!13 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!13 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
diff --git a/test/Linker/2011-08-18-unique-debug-type2.ll b/test/Linker/2011-08-18-unique-debug-type2.ll
index 1185100..7bbed9f 100644
--- a/test/Linker/2011-08-18-unique-debug-type2.ll
+++ b/test/Linker/2011-08-18-unique-debug-type2.ll
@@ -12,16 +12,16 @@ entry:
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!13}
 
-!0 = metadata !{i32 720913, metadata !12, i32 12, metadata !"clang version 3.0 (trunk 137954)", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, null, metadata !""} ; [ DW_TAG_compile_unit ]
+!0 = metadata !{metadata !"0x11\0012\00clang version 3.0 (trunk 137954)\001\00\000\00\000", metadata !12, metadata !2, metadata !2, metadata !3, metadata !2, null} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{metadata !2}
 !2 = metadata !{i32 0}
 !3 = metadata !{metadata !5}
-!5 = metadata !{i32 720942, metadata !12, metadata !6, metadata !"bar", metadata !"bar", metadata !"", i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, i32 ()* @bar, null, null, null, i32 0} ; [ DW_TAG_subprogram ] [line 1] [def] [scope 0] [bar]
-!6 = metadata !{i32 720937, metadata !12} ; [ DW_TAG_file_type ]
-!7 = metadata !{i32 720917, metadata !12, metadata !6, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!5 = metadata !{metadata !"0x2e\00bar\00bar\00\001\000\001\000\006\000\000\000", metadata !12, metadata !6, metadata !7, null, i32 ()* @bar, null, null, null} ; [ DW_TAG_subprogram ] [line 1] [def] [scope 0] [bar]
+!6 = metadata !{metadata !"0x29", metadata !12} ; [ DW_TAG_file_type ]
+!7 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", metadata !12, metadata !6, null, metadata !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !8 = metadata !{metadata !9}
-!9 = metadata !{i32 720932, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
+!9 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ]
 !10 = metadata !{i32 1, i32 13, metadata !11, null}
-!11 = metadata !{i32 720907, metadata !12, metadata !5, i32 1, i32 11, i32 0} ; [ DW_TAG_lexical_block ]
+!11 = metadata !{metadata !"0xb\001\0011\000", metadata !12, metadata !5} ; [ DW_TAG_lexical_block ]
 !12 = metadata !{metadata !"two.c", metadata !"/private/tmp"}
-!13 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!13 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
diff --git a/test/Linker/2011-08-22-ResolveAlias.ll b/test/Linker/2011-08-22-ResolveAlias.ll
index 6b99233..d6df82d 100644
--- a/test/Linker/2011-08-22-ResolveAlias.ll
+++ b/test/Linker/2011-08-22-ResolveAlias.ll
@@ -7,32 +7,32 @@
 %union.pthread_mutexattr_t = type { [4 x i8] }
 %union.pthread_cond_t = type { [48 x i8] }
 
-@_ZL20__gthrw_pthread_oncePiPFvvE = alias weak i32 (i32*, void ()*)* @pthread_once
-@_ZL27__gthrw_pthread_getspecificj = alias weak i8* (i32)* @pthread_getspecific
-@_ZL27__gthrw_pthread_setspecificjPKv = alias weak i32 (i32, i8*)* @pthread_setspecific
-@_ZL22__gthrw_pthread_createPmPK14pthread_attr_tPFPvS3_ES3_ = alias weak i32 (i64*, %union.pthread_attr_t*, i8* (i8*)*, i8*)* @pthread_create
-@_ZL20__gthrw_pthread_joinmPPv = alias weak i32 (i64, i8**)* @pthread_join
-@_ZL21__gthrw_pthread_equalmm = alias weak i32 (i64, i64)* @pthread_equal
-@_ZL20__gthrw_pthread_selfv = alias weak i64 ()* @pthread_self
-@_ZL22__gthrw_pthread_detachm = alias weak i32 (i64)* @pthread_detach
-@_ZL22__gthrw_pthread_cancelm = alias weak i32 (i64)* @pthread_cancel
-@_ZL19__gthrw_sched_yieldv = alias weak i32 ()* @sched_yield
-@_ZL26__gthrw_pthread_mutex_lockP15pthread_mutex_t = alias weak i32 (%union.pthread_mutex_t*)* @pthread_mutex_lock
-@_ZL29__gthrw_pthread_mutex_trylockP15pthread_mutex_t = alias weak i32 (%union.pthread_mutex_t*)* @pthread_mutex_trylock
-@_ZL31__gthrw_pthread_mutex_timedlockP15pthread_mutex_tPK8timespec = alias weak i32 (%union.pthread_mutex_t*, %struct.timespec*)* @pthread_mutex_timedlock
-@_ZL28__gthrw_pthread_mutex_unlockP15pthread_mutex_t = alias weak i32 (%union.pthread_mutex_t*)* @pthread_mutex_unlock
-@_ZL26__gthrw_pthread_mutex_initP15pthread_mutex_tPK19pthread_mutexattr_t = alias weak i32 (%union.pthread_mutex_t*, %union.pthread_mutexattr_t*)* @pthread_mutex_init
-@_ZL29__gthrw_pthread_mutex_destroyP15pthread_mutex_t = alias weak i32 (%union.pthread_mutex_t*)* @pthread_mutex_destroy
-@_ZL30__gthrw_pthread_cond_broadcastP14pthread_cond_t = alias weak i32 (%union.pthread_cond_t*)* @pthread_cond_broadcast
-@_ZL27__gthrw_pthread_cond_signalP14pthread_cond_t = alias weak i32 (%union.pthread_cond_t*)* @pthread_cond_signal
-@_ZL25__gthrw_pthread_cond_waitP14pthread_cond_tP15pthread_mutex_t = alias weak i32 (%union.pthread_cond_t*, %union.pthread_mutex_t*)* @pthread_cond_wait
-@_ZL30__gthrw_pthread_cond_timedwaitP14pthread_cond_tP15pthread_mutex_tPK8timespec = alias weak i32 (%union.pthread_cond_t*, %union.pthread_mutex_t*, %struct.timespec*)* @pthread_cond_timedwait
-@_ZL28__gthrw_pthread_cond_destroyP14pthread_cond_t = alias weak i32 (%union.pthread_cond_t*)* @pthread_cond_destroy
-@_ZL26__gthrw_pthread_key_createPjPFvPvE = alias weak i32 (i32*, void (i8*)*)* @pthread_key_create
-@_ZL26__gthrw_pthread_key_deletej = alias weak i32 (i32)* @pthread_key_delete
-@_ZL30__gthrw_pthread_mutexattr_initP19pthread_mutexattr_t = alias weak i32 (%union.pthread_mutexattr_t*)* @pthread_mutexattr_init
-@_ZL33__gthrw_pthread_mutexattr_settypeP19pthread_mutexattr_ti = alias weak i32 (%union.pthread_mutexattr_t*, i32)* @pthread_mutexattr_settype
-@_ZL33__gthrw_pthread_mutexattr_destroyP19pthread_mutexattr_t = alias weak i32 (%union.pthread_mutexattr_t*)* @pthread_mutexattr_destroy
+@_ZL20__gthrw_pthread_oncePiPFvvE = weak alias i32 (i32*, void ()*)* @pthread_once
+@_ZL27__gthrw_pthread_getspecificj = weak alias i8* (i32)* @pthread_getspecific
+@_ZL27__gthrw_pthread_setspecificjPKv = weak alias i32 (i32, i8*)* @pthread_setspecific
+@_ZL22__gthrw_pthread_createPmPK14pthread_attr_tPFPvS3_ES3_ = weak alias i32 (i64*, %union.pthread_attr_t*, i8* (i8*)*, i8*)* @pthread_create
+@_ZL20__gthrw_pthread_joinmPPv = weak alias i32 (i64, i8**)* @pthread_join
+@_ZL21__gthrw_pthread_equalmm = weak alias i32 (i64, i64)* @pthread_equal
+@_ZL20__gthrw_pthread_selfv = weak alias i64 ()* @pthread_self
+@_ZL22__gthrw_pthread_detachm = weak alias i32 (i64)* @pthread_detach
+@_ZL22__gthrw_pthread_cancelm = weak alias i32 (i64)* @pthread_cancel
+@_ZL19__gthrw_sched_yieldv = weak alias i32 ()* @sched_yield
+@_ZL26__gthrw_pthread_mutex_lockP15pthread_mutex_t = weak alias i32 (%union.pthread_mutex_t*)* @pthread_mutex_lock
+@_ZL29__gthrw_pthread_mutex_trylockP15pthread_mutex_t = weak alias i32 (%union.pthread_mutex_t*)* @pthread_mutex_trylock
+@_ZL31__gthrw_pthread_mutex_timedlockP15pthread_mutex_tPK8timespec = weak alias i32 (%union.pthread_mutex_t*, %struct.timespec*)* @pthread_mutex_timedlock
+@_ZL28__gthrw_pthread_mutex_unlockP15pthread_mutex_t = weak alias i32 (%union.pthread_mutex_t*)* @pthread_mutex_unlock
+@_ZL26__gthrw_pthread_mutex_initP15pthread_mutex_tPK19pthread_mutexattr_t = weak alias i32 (%union.pthread_mutex_t*, %union.pthread_mutexattr_t*)* @pthread_mutex_init
+@_ZL29__gthrw_pthread_mutex_destroyP15pthread_mutex_t = weak alias i32 (%union.pthread_mutex_t*)* @pthread_mutex_destroy
+@_ZL30__gthrw_pthread_cond_broadcastP14pthread_cond_t = weak alias i32 (%union.pthread_cond_t*)* @pthread_cond_broadcast
+@_ZL27__gthrw_pthread_cond_signalP14pthread_cond_t = weak alias i32 (%union.pthread_cond_t*)* @pthread_cond_signal
+@_ZL25__gthrw_pthread_cond_waitP14pthread_cond_tP15pthread_mutex_t = weak alias i32 (%union.pthread_cond_t*, %union.pthread_mutex_t*)* @pthread_cond_wait
+@_ZL30__gthrw_pthread_cond_timedwaitP14pthread_cond_tP15pthread_mutex_tPK8timespec = weak alias i32 (%union.pthread_cond_t*, %union.pthread_mutex_t*, %struct.timespec*)* @pthread_cond_timedwait
+@_ZL28__gthrw_pthread_cond_destroyP14pthread_cond_t = weak alias i32 (%union.pthread_cond_t*)* @pthread_cond_destroy
+@_ZL26__gthrw_pthread_key_createPjPFvPvE = weak alias i32 (i32*, void (i8*)*)* @pthread_key_create
+@_ZL26__gthrw_pthread_key_deletej = weak alias i32 (i32)* @pthread_key_delete
+@_ZL30__gthrw_pthread_mutexattr_initP19pthread_mutexattr_t = weak alias i32 (%union.pthread_mutexattr_t*)* @pthread_mutexattr_init
+@_ZL33__gthrw_pthread_mutexattr_settypeP19pthread_mutexattr_ti = weak alias i32 (%union.pthread_mutexattr_t*, i32)* @pthread_mutexattr_settype
+@_ZL33__gthrw_pthread_mutexattr_destroyP19pthread_mutexattr_t = weak alias i32 (%union.pthread_mutexattr_t*)* @pthread_mutexattr_destroy
 
 declare extern_weak i32 @pthread_once(i32*, void ()*)
 
diff --git a/test/Linker/2011-08-22-ResolveAlias2.ll b/test/Linker/2011-08-22-ResolveAlias2.ll
index eee60d4..c380c23 100644
--- a/test/Linker/2011-08-22-ResolveAlias2.ll
+++ b/test/Linker/2011-08-22-ResolveAlias2.ll
@@ -10,32 +10,32 @@
 %union.pthread_cond_t = type { [48 x i8] }
 
 @_ZN13HexxagonBoardC1ERKS_ = alias void (%struct.HexxagonBoard*, %struct.HexxagonBoard*)* @_ZN13HexxagonBoardC2ERKS_
-@_ZL20__gthrw_pthread_oncePiPFvvE = alias weak i32 (i32*, void ()*)* @pthread_once
-@_ZL27__gthrw_pthread_getspecificj = alias weak i8* (i32)* @pthread_getspecific
-@_ZL27__gthrw_pthread_setspecificjPKv = alias weak i32 (i32, i8*)* @pthread_setspecific
-@_ZL22__gthrw_pthread_createPmPK14pthread_attr_tPFPvS3_ES3_ = alias weak i32 (i64*, %union.pthread_attr_t*, i8* (i8*)*, i8*)* @pthread_create
-@_ZL20__gthrw_pthread_joinmPPv = alias weak i32 (i64, i8**)* @pthread_join
-@_ZL21__gthrw_pthread_equalmm = alias weak i32 (i64, i64)* @pthread_equal
-@_ZL20__gthrw_pthread_selfv = alias weak i64 ()* @pthread_self
-@_ZL22__gthrw_pthread_detachm = alias weak i32 (i64)* @pthread_detach
-@_ZL22__gthrw_pthread_cancelm = alias weak i32 (i64)* @pthread_cancel
-@_ZL19__gthrw_sched_yieldv = alias weak i32 ()* @sched_yield
-@_ZL26__gthrw_pthread_mutex_lockP15pthread_mutex_t = alias weak i32 (%union.pthread_mutex_t*)* @pthread_mutex_lock
-@_ZL29__gthrw_pthread_mutex_trylockP15pthread_mutex_t = alias weak i32 (%union.pthread_mutex_t*)* @pthread_mutex_trylock
-@_ZL31__gthrw_pthread_mutex_timedlockP15pthread_mutex_tPK8timespec = alias weak i32 (%union.pthread_mutex_t*, %struct.timespec*)* @pthread_mutex_timedlock
-@_ZL28__gthrw_pthread_mutex_unlockP15pthread_mutex_t = alias weak i32 (%union.pthread_mutex_t*)* @pthread_mutex_unlock
-@_ZL26__gthrw_pthread_mutex_initP15pthread_mutex_tPK19pthread_mutexattr_t = alias weak i32 (%union.pthread_mutex_t*, %union.pthread_mutexattr_t*)* @pthread_mutex_init
-@_ZL29__gthrw_pthread_mutex_destroyP15pthread_mutex_t = alias weak i32 (%union.pthread_mutex_t*)* @pthread_mutex_destroy
-@_ZL30__gthrw_pthread_cond_broadcastP14pthread_cond_t = alias weak i32 (%union.pthread_cond_t*)* @pthread_cond_broadcast
-@_ZL27__gthrw_pthread_cond_signalP14pthread_cond_t = alias weak i32 (%union.pthread_cond_t*)* @pthread_cond_signal
-@_ZL25__gthrw_pthread_cond_waitP14pthread_cond_tP15pthread_mutex_t = alias weak i32 (%union.pthread_cond_t*, %union.pthread_mutex_t*)* @pthread_cond_wait
-@_ZL30__gthrw_pthread_cond_timedwaitP14pthread_cond_tP15pthread_mutex_tPK8timespec = alias weak i32 (%union.pthread_cond_t*, %union.pthread_mutex_t*, %struct.timespec*)* @pthread_cond_timedwait
-@_ZL28__gthrw_pthread_cond_destroyP14pthread_cond_t = alias weak i32 (%union.pthread_cond_t*)* @pthread_cond_destroy
-@_ZL26__gthrw_pthread_key_createPjPFvPvE = alias weak i32 (i32*, void (i8*)*)* @pthread_key_create
-@_ZL26__gthrw_pthread_key_deletej = alias weak i32 (i32)* @pthread_key_delete
-@_ZL30__gthrw_pthread_mutexattr_initP19pthread_mutexattr_t = alias weak i32 (%union.pthread_mutexattr_t*)* @pthread_mutexattr_init
-@_ZL33__gthrw_pthread_mutexattr_settypeP19pthread_mutexattr_ti = alias weak i32 (%union.pthread_mutexattr_t*, i32)* @pthread_mutexattr_settype
-@_ZL33__gthrw_pthread_mutexattr_destroyP19pthread_mutexattr_t = alias weak i32 (%union.pthread_mutexattr_t*)* @pthread_mutexattr_destroy
+@_ZL20__gthrw_pthread_oncePiPFvvE = weak alias i32 (i32*, void ()*)* @pthread_once
+@_ZL27__gthrw_pthread_getspecificj = weak alias i8* (i32)* @pthread_getspecific
+@_ZL27__gthrw_pthread_setspecificjPKv = weak alias i32 (i32, i8*)* @pthread_setspecific
+@_ZL22__gthrw_pthread_createPmPK14pthread_attr_tPFPvS3_ES3_ = weak alias i32 (i64*, %union.pthread_attr_t*, i8* (i8*)*, i8*)* @pthread_create
+@_ZL20__gthrw_pthread_joinmPPv = weak alias i32 (i64, i8**)* @pthread_join
+@_ZL21__gthrw_pthread_equalmm = weak alias i32 (i64, i64)* @pthread_equal
+@_ZL20__gthrw_pthread_selfv = weak alias i64 ()* @pthread_self
+@_ZL22__gthrw_pthread_detachm = weak alias i32 (i64)* @pthread_detach
+@_ZL22__gthrw_pthread_cancelm = weak alias i32 (i64)* @pthread_cancel
+@_ZL19__gthrw_sched_yieldv = weak alias i32 ()* @sched_yield
+@_ZL26__gthrw_pthread_mutex_lockP15pthread_mutex_t = weak alias i32 (%union.pthread_mutex_t*)* @pthread_mutex_lock
+@_ZL29__gthrw_pthread_mutex_trylockP15pthread_mutex_t = weak alias i32 (%union.pthread_mutex_t*)* @pthread_mutex_trylock
+@_ZL31__gthrw_pthread_mutex_timedlockP15pthread_mutex_tPK8timespec = weak alias i32 (%union.pthread_mutex_t*, %struct.timespec*)* @pthread_mutex_timedlock
+@_ZL28__gthrw_pthread_mutex_unlockP15pthread_mutex_t = weak alias i32 (%union.pthread_mutex_t*)* @pthread_mutex_unlock
+@_ZL26__gthrw_pthread_mutex_initP15pthread_mutex_tPK19pthread_mutexattr_t = weak alias i32 (%union.pthread_mutex_t*, %union.pthread_mutexattr_t*)* @pthread_mutex_init
+@_ZL29__gthrw_pthread_mutex_destroyP15pthread_mutex_t = weak alias i32 (%union.pthread_mutex_t*)* @pthread_mutex_destroy
+@_ZL30__gthrw_pthread_cond_broadcastP14pthread_cond_t = weak alias i32 (%union.pthread_cond_t*)* @pthread_cond_broadcast
+@_ZL27__gthrw_pthread_cond_signalP14pthread_cond_t = weak alias i32 (%union.pthread_cond_t*)* @pthread_cond_signal
+@_ZL25__gthrw_pthread_cond_waitP14pthread_cond_tP15pthread_mutex_t = weak alias i32 (%union.pthread_cond_t*, %union.pthread_mutex_t*)* @pthread_cond_wait
+@_ZL30__gthrw_pthread_cond_timedwaitP14pthread_cond_tP15pthread_mutex_tPK8timespec = weak alias i32 (%union.pthread_cond_t*, %union.pthread_mutex_t*, %struct.timespec*)* @pthread_cond_timedwait
+@_ZL28__gthrw_pthread_cond_destroyP14pthread_cond_t = weak alias i32 (%union.pthread_cond_t*)* @pthread_cond_destroy
+@_ZL26__gthrw_pthread_key_createPjPFvPvE = weak alias i32 (i32*, void (i8*)*)* @pthread_key_create
+@_ZL26__gthrw_pthread_key_deletej = weak alias i32 (i32)* @pthread_key_delete
+@_ZL30__gthrw_pthread_mutexattr_initP19pthread_mutexattr_t = weak alias i32 (%union.pthread_mutexattr_t*)* @pthread_mutexattr_init
+@_ZL33__gthrw_pthread_mutexattr_settypeP19pthread_mutexattr_ti = weak alias i32 (%union.pthread_mutexattr_t*, i32)* @pthread_mutexattr_settype
+@_ZL33__gthrw_pthread_mutexattr_destroyP19pthread_mutexattr_t = weak alias i32 (%union.pthread_mutexattr_t*)* @pthread_mutexattr_destroy
 
 define void @_ZN13HexxagonBoardC2ERKS_(%struct.HexxagonBoard*, %struct.HexxagonBoard*) uwtable align 2 {
   ret void
diff --git a/test/Linker/ConstantGlobals.ll b/test/Linker/ConstantGlobals.ll
new file mode 100644
index 0000000..49f86a5
--- /dev/null
+++ b/test/Linker/ConstantGlobals.ll
@@ -0,0 +1,8 @@
+; RUN: llvm-link %s %S/Inputs/ConstantGlobals.ll -S | FileCheck %s
+; RUN: llvm-link %S/Inputs/ConstantGlobals.ll %s -S | FileCheck %s
+
+; CHECK-DAG: @X = constant [1 x i32] [i32 8]
+@X = external global [1 x i32]
+
+; CHECK-DAG: @Y = external global [1 x i32]
+@Y = external global [1 x i32]
diff --git a/test/Linker/ConstantGlobals1.ll b/test/Linker/ConstantGlobals1.ll
deleted file mode 100644
index a2bb6fb..0000000
--- a/test/Linker/ConstantGlobals1.ll
+++ /dev/null
@@ -1,10 +0,0 @@
-; Test that appending linkage works correctly when arrays are the same size.
-
-; RUN: echo "@X = constant [1 x i32] [i32 8] " | \
-; RUN:   llvm-as > %t.2.bc
-; RUN: llvm-as < %s > %t.1.bc
-; RUN: llvm-link %t.1.bc %t.2.bc -S | FileCheck %s
-; CHECK: constant
-
-@X = external global [1 x i32]		; <[1 x i32]*> [#uses=0]
-
diff --git a/test/Linker/ConstantGlobals2.ll b/test/Linker/ConstantGlobals2.ll
deleted file mode 100644
index 4713779..0000000
--- a/test/Linker/ConstantGlobals2.ll
+++ /dev/null
@@ -1,10 +0,0 @@
-; Test that appending linkage works correctly when arrays are the same size.
-
-; RUN: echo "@X = external global [1 x i32] " | \
-; RUN:   llvm-as > %t.2.bc
-; RUN: llvm-as < %s > %t.1.bc
-; RUN: llvm-link %t.1.bc %t.2.bc -S | FileCheck %s
-; CHECK: constant
-
-@X = constant [1 x i32] [ i32 12 ]		; <[1 x i32]*> [#uses=0]
-
diff --git a/test/Linker/ConstantGlobals3.ll b/test/Linker/ConstantGlobals3.ll
deleted file mode 100644
index 6b4ed24..0000000
--- a/test/Linker/ConstantGlobals3.ll
+++ /dev/null
@@ -1,9 +0,0 @@
-; Test that appending linkage works correctly when arrays are the same size.
-
-; RUN: echo "@X = external constant [1 x i32] " | \
-; RUN:   llvm-as > %t.2.bc
-; RUN: llvm-as < %s > %t.1.bc
-; RUN: llvm-link %t.1.bc %t.2.bc -S | FileCheck %s
-; CHECK: constant
-
-@X = external global [1 x i32]		; <[1 x i32]*> [#uses=0]
diff --git a/test/Linker/DbgDeclare.ll b/test/Linker/DbgDeclare.ll
index 4cca9d5..3d39b30 100644
--- a/test/Linker/DbgDeclare.ll
+++ b/test/Linker/DbgDeclare.ll
@@ -4,12 +4,12 @@
 
 ; rdar://13089880
 ; CHECK: define i32 @main(i32 %argc, i8** %argv)
-; CHECK: call void @llvm.dbg.declare(metadata !{i32* %argc.addr}, metadata !{{[0-9]+}})
-; CHECK: call void @llvm.dbg.declare(metadata !{i8*** %argv.addr}, metadata !{{[0-9]+}})
+; CHECK: call void @llvm.dbg.declare(metadata !{i32* %argc.addr}, metadata !{{[0-9]+}}, metadata {{.*}})
+; CHECK: call void @llvm.dbg.declare(metadata !{i8*** %argv.addr}, metadata !{{[0-9]+}}, metadata {{.*}})
 ; CHECK: define void @test(i32 %argc, i8** %argv)
-; CHECK: call void @llvm.dbg.declare(metadata !{i32* %argc.addr}, metadata !{{[0-9]+}})
-; CHECK: call void @llvm.dbg.declare(metadata !{i8*** %argv.addr}, metadata !{{[0-9]+}})
-; CHECK: call void @llvm.dbg.declare(metadata !{i32* %i}, metadata !{{[0-9]+}})
+; CHECK: call void @llvm.dbg.declare(metadata !{i32* %argc.addr}, metadata !{{[0-9]+}}, metadata {{.*}})
+; CHECK: call void @llvm.dbg.declare(metadata !{i8*** %argv.addr}, metadata !{{[0-9]+}}, metadata {{.*}})
+; CHECK: call void @llvm.dbg.declare(metadata !{i32* %i}, metadata !{{[0-9]+}}, metadata {{.*}})
 
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
 target triple = "x86_64-apple-macosx10.9.0"
@@ -21,40 +21,40 @@ entry:
   %argv.addr = alloca i8**, align 8
   store i32 0, i32* %retval
   store i32 %argc, i32* %argc.addr, align 4
-  call void @llvm.dbg.declare(metadata !{i32* %argc.addr}, metadata !14), !dbg !15
+  call void @llvm.dbg.declare(metadata !{i32* %argc.addr}, metadata !14, metadata !{metadata !"0x102"}), !dbg !15
   store i8** %argv, i8*** %argv.addr, align 8
-  call void @llvm.dbg.declare(metadata !{i8*** %argv.addr}, metadata !16), !dbg !15
+  call void @llvm.dbg.declare(metadata !{i8*** %argv.addr}, metadata !16, metadata !{metadata !"0x102"}), !dbg !15
   %0 = load i32* %argc.addr, align 4, !dbg !17
   %1 = load i8*** %argv.addr, align 8, !dbg !17
   call void @test(i32 %0, i8** %1), !dbg !17
   ret i32 0, !dbg !19
 }
 
-declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
+declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
 
 declare void @test(i32, i8**)
 
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!21}
 
-!0 = metadata !{i32 786449, metadata !20, i32 4, metadata !"clang version 3.3 (trunk 173515)", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, null, metadata !""} ; [ DW_TAG_compile_unit ]
+!0 = metadata !{metadata !"0x11\004\00clang version 3.3 (trunk 173515)\001\00\000\00\000", metadata !20, metadata !2, metadata !2, metadata !3, metadata !2, null} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{metadata !2}
 !2 = metadata !{i32 0}
 !3 = metadata !{metadata !5}
-!5 = metadata !{i32 786478, metadata !20, null, metadata !"main", metadata !"main", metadata !"", i32 3, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32, i8**)* @main, null, null, metadata !1, i32 4} ; [ DW_TAG_subprogram ]
-!6 = metadata !{i32 786473, metadata !20} ; [ DW_TAG_file_type ]
-!7 = metadata !{i32 786453, i32 0, null, i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!5 = metadata !{metadata !"0x2e\00main\00main\00\003\000\001\000\006\00256\000\004", metadata !20, null, metadata !7, null, i32 (i32, i8**)* @main, null, null, metadata !1} ; [ DW_TAG_subprogram ]
+!6 = metadata !{metadata !"0x29", metadata !20} ; [ DW_TAG_file_type ]
+!7 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !8 = metadata !{metadata !9, metadata !9, metadata !10}
-!9 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
-!10 = metadata !{i32 786447, null, null, null, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ]
-!11 = metadata !{i32 786447, null, null, null, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !12} ; [ DW_TAG_pointer_type ]
-!12 = metadata !{i32 786470, null, null, null, i32 0, i64 0, i64 0, i64 0, i32 0, metadata !13} ; [ DW_TAG_const_type ]
-!13 = metadata !{i32 786468, null, null, metadata !"char", i32 0, i64 8, i64 8, i64 0, i32 0, i32 6} ; [ DW_TAG_base_type ]
-!14 = metadata !{i32 786689, metadata !5, metadata !"argc", metadata !6, i32 16777219, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ]
+!9 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ]
+!10 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !11} ; [ DW_TAG_pointer_type ]
+!11 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !12} ; [ DW_TAG_pointer_type ]
+!12 = metadata !{metadata !"0x26\00\000\000\000\000\000", null, null, metadata !13} ; [ DW_TAG_const_type ]
+!13 = metadata !{metadata !"0x24\00char\000\008\008\000\000\006", null, null} ; [ DW_TAG_base_type ]
+!14 = metadata !{metadata !"0x101\00argc\0016777219\000", metadata !5, metadata !6, metadata !9} ; [ DW_TAG_arg_variable ]
 !15 = metadata !{i32 3, i32 0, metadata !5, null}
-!16 = metadata !{i32 786689, metadata !5, metadata !"argv", metadata !6, i32 33554435, metadata !10, i32 0, i32 0} ; [ DW_TAG_arg_variable ]
+!16 = metadata !{metadata !"0x101\00argv\0033554435\000", metadata !5, metadata !6, metadata !10} ; [ DW_TAG_arg_variable ]
 !17 = metadata !{i32 5, i32 0, metadata !18, null}
-!18 = metadata !{i32 786443, metadata !20, metadata !5, i32 4, i32 0, i32 0} ; [ DW_TAG_lexical_block ]
+!18 = metadata !{metadata !"0xb\004\000\000", metadata !20, metadata !5} ; [ DW_TAG_lexical_block ]
 !19 = metadata !{i32 6, i32 0, metadata !18, null}
 !20 = metadata !{metadata !"main.cpp", metadata !"/private/tmp"}
-!21 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!21 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
diff --git a/test/Linker/DbgDeclare2.ll b/test/Linker/DbgDeclare2.ll
index 2649fcc..d27ce53 100644
--- a/test/Linker/DbgDeclare2.ll
+++ b/test/Linker/DbgDeclare2.ll
@@ -11,10 +11,10 @@ entry:
   %argv.addr = alloca i8**, align 8
   %i = alloca i32, align 4
   store i32 %argc, i32* %argc.addr, align 4
-  call void @llvm.dbg.declare(metadata !{i32* %argc.addr}, metadata !14), !dbg !15
+  call void @llvm.dbg.declare(metadata !{i32* %argc.addr}, metadata !14, metadata !{metadata !"0x102"}), !dbg !15
   store i8** %argv, i8*** %argv.addr, align 8
-  call void @llvm.dbg.declare(metadata !{i8*** %argv.addr}, metadata !16), !dbg !15
-  call void @llvm.dbg.declare(metadata !{i32* %i}, metadata !17), !dbg !20
+  call void @llvm.dbg.declare(metadata !{i8*** %argv.addr}, metadata !16, metadata !{metadata !"0x102"}), !dbg !15
+  call void @llvm.dbg.declare(metadata !{i32* %i}, metadata !17, metadata !{metadata !"0x102"}), !dbg !20
   store i32 0, i32* %i, align 4, !dbg !20
   br label %for.cond, !dbg !20
 
@@ -43,37 +43,37 @@ for.end:                                          ; preds = %for.cond
   ret void, !dbg !24
 }
 
-declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
+declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
 
 declare i32 @puts(i8*)
 
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!27}
 
-!0 = metadata !{i32 786449, metadata !25, i32 4, metadata !"clang version 3.3 (trunk 173515)", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, null, metadata !""} ; [ DW_TAG_compile_unit ]
+!0 = metadata !{metadata !"0x11\004\00clang version 3.3 (trunk 173515)\001\00\000\00\000", metadata !25, metadata !2, metadata !2, metadata !3, metadata !2, null} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{metadata !2}
 !2 = metadata !{i32 0}
 !3 = metadata !{metadata !5}
-!5 = metadata !{i32 786478, metadata !26, null, metadata !"print_args", metadata !"print_args", metadata !"test", i32 4, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (i32, i8**)* @test, null, null, metadata !1, i32 5} ; [ DW_TAG_subprogram ]
-!6 = metadata !{i32 786473, metadata !26} ; [ DW_TAG_file_type ]
-!7 = metadata !{i32 786453, i32 0, null, i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!5 = metadata !{metadata !"0x2e\00print_args\00print_args\00test\004\000\001\000\006\00256\000\005", metadata !26, null, metadata !7, null, void (i32, i8**)* @test, null, null, metadata !1} ; [ DW_TAG_subprogram ]
+!6 = metadata !{metadata !"0x29", metadata !26} ; [ DW_TAG_file_type ]
+!7 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !8 = metadata !{null, metadata !9, metadata !10}
-!9 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
-!10 = metadata !{i32 786447, null, null, null, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ]
-!11 = metadata !{i32 786447, null, null, null, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !12} ; [ DW_TAG_pointer_type ]
-!12 = metadata !{i32 786470, null, null, null, i32 0, i64 0, i64 0, i64 0, i32 0, metadata !13} ; [ DW_TAG_const_type ]
-!13 = metadata !{i32 786468, null, null, metadata !"char", i32 0, i64 8, i64 8, i64 0, i32 0, i32 6} ; [ DW_TAG_base_type ]
-!14 = metadata !{i32 786689, metadata !5, metadata !"argc", metadata !6, i32 16777220, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ]
+!9 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ]
+!10 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !11} ; [ DW_TAG_pointer_type ]
+!11 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !12} ; [ DW_TAG_pointer_type ]
+!12 = metadata !{metadata !"0x26\00\000\000\000\000\000", null, null, metadata !13} ; [ DW_TAG_const_type ]
+!13 = metadata !{metadata !"0x24\00char\000\008\008\000\000\006", null, null} ; [ DW_TAG_base_type ]
+!14 = metadata !{metadata !"0x101\00argc\0016777220\000", metadata !5, metadata !6, metadata !9} ; [ DW_TAG_arg_variable ]
 !15 = metadata !{i32 4, i32 0, metadata !5, null}
-!16 = metadata !{i32 786689, metadata !5, metadata !"argv", metadata !6, i32 33554436, metadata !10, i32 0, i32 0} ; [ DW_TAG_arg_variable ]
-!17 = metadata !{i32 786688, metadata !18, metadata !"i", metadata !6, i32 6, metadata !9, i32 0, i32 0} ; [ DW_TAG_auto_variable ]
-!18 = metadata !{i32 786443, metadata !26, metadata !19, i32 6, i32 0, i32 1} ; [ DW_TAG_lexical_block ]
-!19 = metadata !{i32 786443, metadata !26, metadata !5, i32 5, i32 0, i32 0} ; [ DW_TAG_lexical_block ]
+!16 = metadata !{metadata !"0x101\00argv\0033554436\000", metadata !5, metadata !6, metadata !10} ; [ DW_TAG_arg_variable ]
+!17 = metadata !{metadata !"0x100\00i\006\000", metadata !18, metadata !6, metadata !9} ; [ DW_TAG_auto_variable ]
+!18 = metadata !{metadata !"0xb\006\000\001", metadata !26, metadata !19} ; [ DW_TAG_lexical_block ]
+!19 = metadata !{metadata !"0xb\005\000\000", metadata !26, metadata !5} ; [ DW_TAG_lexical_block ]
 !20 = metadata !{i32 6, i32 0, metadata !18, null}
 !21 = metadata !{i32 8, i32 0, metadata !22, null}
-!22 = metadata !{i32 786443, metadata !26, metadata !18, i32 7, i32 0, i32 2} ; [ DW_TAG_lexical_block ]
+!22 = metadata !{metadata !"0xb\007\000\002", metadata !26, metadata !18} ; [ DW_TAG_lexical_block ]
 !23 = metadata !{i32 9, i32 0, metadata !22, null}
 !24 = metadata !{i32 10, i32 0, metadata !19, null}
 !25 = metadata !{metadata !"main.cpp", metadata !"/private/tmp"}
 !26 = metadata !{metadata !"test.cpp", metadata !"/private/tmp"}
-!27 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!27 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
diff --git a/test/Linker/Inputs/2003-01-30-LinkerRename.ll b/test/Linker/Inputs/2003-01-30-LinkerRename.ll
new file mode 100644
index 0000000..5c6b5f5
--- /dev/null
+++ b/test/Linker/Inputs/2003-01-30-LinkerRename.ll
@@ -0,0 +1,4 @@
+@bar = global i32()* @foo
+define internal i32 @foo() {
+  ret i32 7
+}
diff --git a/test/Linker/Inputs/2003-05-31-LinkerRename.ll b/test/Linker/Inputs/2003-05-31-LinkerRename.ll
new file mode 100644
index 0000000..dcd0bf5
--- /dev/null
+++ b/test/Linker/Inputs/2003-05-31-LinkerRename.ll
@@ -0,0 +1,5 @@
+@bar = global i32()* @foo
+
+define internal i32 @foo() {
+  ret i32 7
+}
diff --git a/test/Linker/Inputs/ConstantGlobals.ll b/test/Linker/Inputs/ConstantGlobals.ll
new file mode 100644
index 0000000..56c2ba5
--- /dev/null
+++ b/test/Linker/Inputs/ConstantGlobals.ll
@@ -0,0 +1,2 @@
+@X = constant [1 x i32] [i32 8]
+@Y = external constant [1 x i32]
diff --git a/test/Linker/Inputs/comdat8.ll b/test/Linker/Inputs/comdat8.ll
new file mode 100644
index 0000000..eaa9625
--- /dev/null
+++ b/test/Linker/Inputs/comdat8.ll
@@ -0,0 +1,4 @@
+$c1 = comdat largest
+
+@some_name = private unnamed_addr constant i32 42, comdat $c1
+@c1 = alias i32* @some_name
diff --git a/test/Linker/Inputs/comdat9.ll b/test/Linker/Inputs/comdat9.ll
new file mode 100644
index 0000000..679dbde
--- /dev/null
+++ b/test/Linker/Inputs/comdat9.ll
@@ -0,0 +1,5 @@
+$c = comdat any
+@a = alias void ()* @f
+define internal void @f() comdat $c {
+  ret void
+}
diff --git a/test/Linker/Inputs/constructor-comdat.ll b/test/Linker/Inputs/constructor-comdat.ll
new file mode 100644
index 0000000..b5f23da
--- /dev/null
+++ b/test/Linker/Inputs/constructor-comdat.ll
@@ -0,0 +1,7 @@
+define weak_odr void @_ZN3fooIiEC2Ev() {
+  ret void
+}
+
+define weak_odr void @_ZN3fooIiEC1Ev() {
+  ret void
+}
diff --git a/test/Linker/Inputs/ctors.ll b/test/Linker/Inputs/ctors.ll
new file mode 100644
index 0000000..f3307bc
--- /dev/null
+++ b/test/Linker/Inputs/ctors.ll
@@ -0,0 +1,6 @@
+@v = weak global i8 1
+@llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @f, i8* @v}]
+
+define weak void @f() {
+  ret void
+}
diff --git a/test/Linker/Inputs/ident.a.ll b/test/Linker/Inputs/ident.a.ll
new file mode 100644
index 0000000..ebda940
--- /dev/null
+++ b/test/Linker/Inputs/ident.a.ll
@@ -0,0 +1,3 @@
+!llvm.ident = !{!0, !1}
+!0 = metadata !{metadata !"Compiler V1"}
+!1 = metadata !{metadata !"Compiler V2"}
diff --git a/test/Linker/Inputs/ident.b.ll b/test/Linker/Inputs/ident.b.ll
new file mode 100644
index 0000000..21ee1d8
--- /dev/null
+++ b/test/Linker/Inputs/ident.b.ll
@@ -0,0 +1,2 @@
+!llvm.ident = !{!0}
+!0 = metadata !{metadata !"Compiler V3"}
diff --git a/test/Linker/Inputs/linkage2.ll b/test/Linker/Inputs/linkage2.ll
new file mode 100644
index 0000000..ce01c9d
--- /dev/null
+++ b/test/Linker/Inputs/linkage2.ll
@@ -0,0 +1,7 @@
+@test1_a = weak global i8 1
+
+@test2_a = external dllimport global i8
+
+@test3_a = common global i16 0
+
+@test4_a = common global i16 0, align 4
diff --git a/test/Linker/Inputs/module-flags-pic-1-b.ll b/test/Linker/Inputs/module-flags-pic-1-b.ll
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/test/Linker/Inputs/module-flags-pic-1-b.ll
@@ -0,0 +1 @@
+
diff --git a/test/Linker/Inputs/module-flags-pic-2-b.ll b/test/Linker/Inputs/module-flags-pic-2-b.ll
new file mode 100644
index 0000000..228e04a
--- /dev/null
+++ b/test/Linker/Inputs/module-flags-pic-2-b.ll
@@ -0,0 +1,3 @@
+!0 = metadata !{ i32 1, metadata !"PIC Level", i32 2 }
+
+!llvm.module.flags = !{!0}
diff --git a/test/Linker/Inputs/redefinition.ll b/test/Linker/Inputs/redefinition.ll
new file mode 100644
index 0000000..0f580e6
--- /dev/null
+++ b/test/Linker/Inputs/redefinition.ll
@@ -0,0 +1 @@
+define void @foo(i32 %x) { ret void }
diff --git a/test/Linker/Inputs/type-unique-inheritance-a.ll b/test/Linker/Inputs/type-unique-inheritance-a.ll
index 381210c..31df5b2 100644
--- a/test/Linker/Inputs/type-unique-inheritance-a.ll
+++ b/test/Linker/Inputs/type-unique-inheritance-a.ll
@@ -52,13 +52,13 @@ entry:
   %a.addr = alloca i32, align 4
   %t = alloca %class.A, align 4
   store i32 %a, i32* %a.addr, align 4
-  call void @llvm.dbg.declare(metadata !{i32* %a.addr}, metadata !20), !dbg !21
-  call void @llvm.dbg.declare(metadata !{%class.A* %t}, metadata !22), !dbg !23
+  call void @llvm.dbg.declare(metadata !{i32* %a.addr}, metadata !20, metadata !{metadata !"0x102"}), !dbg !21
+  call void @llvm.dbg.declare(metadata !{%class.A* %t}, metadata !22, metadata !{metadata !"0x102"}), !dbg !23
   ret void, !dbg !24
 }
 
 ; Function Attrs: nounwind readnone
-declare void @llvm.dbg.declare(metadata, metadata) #1
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
 
 attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
 attributes #1 = { nounwind readnone }
@@ -66,29 +66,29 @@ attributes #1 = { nounwind readnone }
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!19, !25}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 (http://llvm.org/git/clang.git f54e02f969d02d640103db73efc30c45439fceab) (http://llvm.org/git/llvm.git 284353b55896cb1babfaa7add7c0a363245342d2)", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !14, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/Users/mren/c_testing/type_unique_air/inher/foo.cpp] [DW_LANG_C_plus_plus]
+!0 = metadata !{metadata !"0x11\004\00clang version 3.4 (http://llvm.org/git/clang.git f54e02f969d02d640103db73efc30c45439fceab) (http://llvm.org/git/llvm.git 284353b55896cb1babfaa7add7c0a363245342d2)\000\00\000\00\000", metadata !1, metadata !2, metadata !3, metadata !14, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [/Users/mren/c_testing/type_unique_air/inher/foo.cpp] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"foo.cpp", metadata !"/Users/mren/c_testing/type_unique_air/inher"}
 !2 = metadata !{i32 0}
 !3 = metadata !{metadata !4, metadata !8}
-!4 = metadata !{i32 786434, metadata !5, null, metadata !"A", i32 3, i64 64, i64 32, i32 0, i32 0, null, metadata !6, i32 0, null, null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 3, size 64, align 32, offset 0] [def] [from ]
+!4 = metadata !{metadata !"0x2\00A\003\0064\0032\000\000\000", metadata !5, null, null, metadata !6, null, null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 3, size 64, align 32, offset 0] [def] [from ]
 !5 = metadata !{metadata !"./a.hpp", metadata !"/Users/mren/c_testing/type_unique_air/inher"}
 !6 = metadata !{metadata !7, metadata !13}
-!7 = metadata !{i32 786460, null, metadata !"_ZTS1A", null, i32 0, i64 0, i64 0, i64 0, i32 1, metadata !8} ; [ DW_TAG_inheritance ] [line 0, size 0, align 0, offset 0] [private] [from Base]
-!8 = metadata !{i32 786434, metadata !9, null, metadata !"Base", i32 3, i64 32, i64 32, i32 0, i32 0, null, metadata !10, i32 0, null, null, metadata !"_ZTS4Base"} ; [ DW_TAG_class_type ] [Base] [line 3, size 32, align 32, offset 0] [def] [from ]
+!7 = metadata !{metadata !"0x1c\00\000\000\000\000\001", null, metadata !"_ZTS1A", metadata !8} ; [ DW_TAG_inheritance ] [line 0, size 0, align 0, offset 0] [private] [from Base]
+!8 = metadata !{metadata !"0x2\00Base\003\0032\0032\000\000\000", metadata !9, null, null, metadata !10, null, null, metadata !"_ZTS4Base"} ; [ DW_TAG_class_type ] [Base] [line 3, size 32, align 32, offset 0] [def] [from ]
 !9 = metadata !{metadata !"./b.hpp", metadata !"/Users/mren/c_testing/type_unique_air/inher"}
 !10 = metadata !{metadata !11}
-!11 = metadata !{i32 786445, metadata !9, metadata !"_ZTS4Base", metadata !"b", i32 4, i64 32, i64 32, i64 0, i32 1, metadata !12} ; [ DW_TAG_member ] [b] [line 4, size 32, align 32, offset 0] [private] [from int]
-!12 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
-!13 = metadata !{i32 786445, metadata !5, metadata !"_ZTS1A", metadata !"x", i32 4, i64 32, i64 32, i64 32, i32 1, metadata !12} ; [ DW_TAG_member ] [x] [line 4, size 32, align 32, offset 32] [private] [from int]
+!11 = metadata !{metadata !"0xd\00b\004\0032\0032\000\001", metadata !9, metadata !"_ZTS4Base", metadata !12} ; [ DW_TAG_member ] [b] [line 4, size 32, align 32, offset 0] [private] [from int]
+!12 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!13 = metadata !{metadata !"0xd\00x\004\0032\0032\0032\001", metadata !5, metadata !"_ZTS1A", metadata !12} ; [ DW_TAG_member ] [x] [line 4, size 32, align 32, offset 32] [private] [from int]
 !14 = metadata !{metadata !15}
-!15 = metadata !{i32 786478, metadata !1, metadata !16, metadata !"f", metadata !"f", metadata !"_Z1fi", i32 5, metadata !17, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (i32)* @_Z1fi, null, null, metadata !2, i32 5} ; [ DW_TAG_subprogram ] [line 5] [def] [f]
-!16 = metadata !{i32 786473, metadata !1}         ; [ DW_TAG_file_type ] [/Users/mren/c_testing/type_unique_air/inher/foo.cpp]
-!17 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !18, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!15 = metadata !{metadata !"0x2e\00f\00f\00_Z1fi\005\000\001\000\006\00256\000\005", metadata !1, metadata !16, metadata !17, null, void (i32)* @_Z1fi, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 5] [def] [f]
+!16 = metadata !{metadata !"0x29", metadata !1}         ; [ DW_TAG_file_type ] [/Users/mren/c_testing/type_unique_air/inher/foo.cpp]
+!17 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !18, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !18 = metadata !{null, metadata !12}
 !19 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
-!20 = metadata !{i32 786689, metadata !15, metadata !"a", metadata !16, i32 16777221, metadata !12, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [a] [line 5]
+!20 = metadata !{metadata !"0x101\00a\0016777221\000", metadata !15, metadata !16, metadata !12} ; [ DW_TAG_arg_variable ] [a] [line 5]
 !21 = metadata !{i32 5, i32 0, metadata !15, null}
-!22 = metadata !{i32 786688, metadata !15, metadata !"t", metadata !16, i32 6, metadata !4, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [t] [line 6]
+!22 = metadata !{metadata !"0x100\00t\006\000", metadata !15, metadata !16, metadata !4} ; [ DW_TAG_auto_variable ] [t] [line 6]
 !23 = metadata !{i32 6, i32 0, metadata !15, null}
 !24 = metadata !{i32 7, i32 0, metadata !15, null}
-!25 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!25 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
diff --git a/test/Linker/Inputs/type-unique-inheritance-b.ll b/test/Linker/Inputs/type-unique-inheritance-b.ll
index 0cd43f6..d915e45 100644
--- a/test/Linker/Inputs/type-unique-inheritance-b.ll
+++ b/test/Linker/Inputs/type-unique-inheritance-b.ll
@@ -10,13 +10,13 @@ entry:
   %a.addr = alloca i32, align 4
   %t = alloca %class.B, align 8
   store i32 %a, i32* %a.addr, align 4
-  call void @llvm.dbg.declare(metadata !{i32* %a.addr}, metadata !28), !dbg !29
-  call void @llvm.dbg.declare(metadata !{%class.B* %t}, metadata !30), !dbg !31
+  call void @llvm.dbg.declare(metadata !{i32* %a.addr}, metadata !28, metadata !{metadata !"0x102"}), !dbg !29
+  call void @llvm.dbg.declare(metadata !{%class.B* %t}, metadata !30, metadata !{metadata !"0x102"}), !dbg !31
   ret void, !dbg !32
 }
 
 ; Function Attrs: nounwind readnone
-declare void @llvm.dbg.declare(metadata, metadata) #1
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
 
 ; Function Attrs: ssp uwtable
 define i32 @main() #2 {
@@ -24,7 +24,7 @@ entry:
   %retval = alloca i32, align 4
   %a = alloca %class.A, align 4
   store i32 0, i32* %retval
-  call void @llvm.dbg.declare(metadata !{%class.A* %a}, metadata !33), !dbg !34
+  call void @llvm.dbg.declare(metadata !{%class.A* %a}, metadata !33, metadata !{metadata !"0x102"}), !dbg !34
   call void @_Z1fi(i32 0), !dbg !35
   call void @_Z1gi(i32 1), !dbg !36
   ret i32 0, !dbg !37
@@ -40,42 +40,42 @@ attributes #3 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "n
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!27, !38}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 (http://llvm.org/git/clang.git f54e02f969d02d640103db73efc30c45439fceab) (http://llvm.org/git/llvm.git 284353b55896cb1babfaa7add7c0a363245342d2)", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !19, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/Users/mren/c_testing/type_unique_air/inher/bar.cpp] [DW_LANG_C_plus_plus]
+!0 = metadata !{metadata !"0x11\004\00clang version 3.4 (http://llvm.org/git/clang.git f54e02f969d02d640103db73efc30c45439fceab) (http://llvm.org/git/llvm.git 284353b55896cb1babfaa7add7c0a363245342d2)\000\00\000\00\000", metadata !1, metadata !2, metadata !3, metadata !19, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [/Users/mren/c_testing/type_unique_air/inher/bar.cpp] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"bar.cpp", metadata !"/Users/mren/c_testing/type_unique_air/inher"}
 !2 = metadata !{i32 0}
 !3 = metadata !{metadata !4, metadata !11, metadata !15}
-!4 = metadata !{i32 786434, metadata !5, null, metadata !"B", i32 7, i64 128, i64 64, i32 0, i32 0, null, metadata !6, i32 0, null, null, metadata !"_ZTS1B"} ; [ DW_TAG_class_type ] [B] [line 7, size 128, align 64, offset 0] [def] [from ]
+!4 = metadata !{metadata !"0x2\00B\007\00128\0064\000\000\000", metadata !5, null, null, metadata !6, null, null, metadata !"_ZTS1B"} ; [ DW_TAG_class_type ] [B] [line 7, size 128, align 64, offset 0] [def] [from ]
 !5 = metadata !{metadata !"./b.hpp", metadata !"/Users/mren/c_testing/type_unique_air/inher"}
 !6 = metadata !{metadata !7, metadata !9}
-!7 = metadata !{i32 786445, metadata !5, metadata !"_ZTS1B", metadata !"bb", i32 8, i64 32, i64 32, i64 0, i32 1, metadata !8} ; [ DW_TAG_member ] [bb] [line 8, size 32, align 32, offset 0] [private] [from int]
-!8 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
-!9 = metadata !{i32 786445, metadata !5, metadata !"_ZTS1B", metadata !"a", i32 9, i64 64, i64 64, i64 64, i32 1, metadata !10} ; [ DW_TAG_member ] [a] [line 9, size 64, align 64, offset 64] [private] [from ]
-!10 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from A]
-!11 = metadata !{i32 786434, metadata !12, null, metadata !"A", i32 3, i64 64, i64 32, i32 0, i32 0, null, metadata !13, i32 0, null, null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 3, size 64, align 32, offset 0] [def] [from ]
+!7 = metadata !{metadata !"0xd\00bb\008\0032\0032\000\001", metadata !5, metadata !"_ZTS1B", metadata !8} ; [ DW_TAG_member ] [bb] [line 8, size 32, align 32, offset 0] [private] [from int]
+!8 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!9 = metadata !{metadata !"0xd\00a\009\0064\0064\0064\001", metadata !5, metadata !"_ZTS1B", metadata !10} ; [ DW_TAG_member ] [a] [line 9, size 64, align 64, offset 64] [private] [from ]
+!10 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !11} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from A]
+!11 = metadata !{metadata !"0x2\00A\003\0064\0032\000\000\000", metadata !12, null, null, metadata !13, null, null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 3, size 64, align 32, offset 0] [def] [from ]
 !12 = metadata !{metadata !"./a.hpp", metadata !"/Users/mren/c_testing/type_unique_air/inher"}
 !13 = metadata !{metadata !14, metadata !18}
-!14 = metadata !{i32 786460, null, metadata !"_ZTS1A", null, i32 0, i64 0, i64 0, i64 0, i32 1, metadata !15} ; [ DW_TAG_inheritance ] [line 0, size 0, align 0, offset 0] [private] [from Base]
-!15 = metadata !{i32 786434, metadata !5, null, metadata !"Base", i32 3, i64 32, i64 32, i32 0, i32 0, null, metadata !16, i32 0, null, null, metadata !"_ZTS4Base"} ; [ DW_TAG_class_type ] [Base] [line 3, size 32, align 32, offset 0] [def] [from ]
+!14 = metadata !{metadata !"0x1c\00\000\000\000\000\001", null, metadata !"_ZTS1A", metadata !15} ; [ DW_TAG_inheritance ] [line 0, size 0, align 0, offset 0] [private] [from Base]
+!15 = metadata !{metadata !"0x2\00Base\003\0032\0032\000\000\000", metadata !5, null, null, metadata !16, null, null, metadata !"_ZTS4Base"} ; [ DW_TAG_class_type ] [Base] [line 3, size 32, align 32, offset 0] [def] [from ]
 !16 = metadata !{metadata !17}
-!17 = metadata !{i32 786445, metadata !5, metadata !"_ZTS4Base", metadata !"b", i32 4, i64 32, i64 32, i64 0, i32 1, metadata !8} ; [ DW_TAG_member ] [b] [line 4, size 32, align 32, offset 0] [private] [from int]
-!18 = metadata !{i32 786445, metadata !12, metadata !"_ZTS1A", metadata !"x", i32 4, i64 32, i64 32, i64 32, i32 1, metadata !8} ; [ DW_TAG_member ] [x] [line 4, size 32, align 32, offset 32] [private] [from int]
+!17 = metadata !{metadata !"0xd\00b\004\0032\0032\000\001", metadata !5, metadata !"_ZTS4Base", metadata !8} ; [ DW_TAG_member ] [b] [line 4, size 32, align 32, offset 0] [private] [from int]
+!18 = metadata !{metadata !"0xd\00x\004\0032\0032\0032\001", metadata !12, metadata !"_ZTS1A", metadata !8} ; [ DW_TAG_member ] [x] [line 4, size 32, align 32, offset 32] [private] [from int]
 !19 = metadata !{metadata !20, metadata !24}
-!20 = metadata !{i32 786478, metadata !1, metadata !21, metadata !"g", metadata !"g", metadata !"_Z1gi", i32 4, metadata !22, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (i32)* @_Z1gi, null, null, metadata !2, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [g]
-!21 = metadata !{i32 786473, metadata !1}         ; [ DW_TAG_file_type ] [/Users/mren/c_testing/type_unique_air/inher/bar.cpp]
-!22 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !23, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!20 = metadata !{metadata !"0x2e\00g\00g\00_Z1gi\004\000\001\000\006\00256\000\004", metadata !1, metadata !21, metadata !22, null, void (i32)* @_Z1gi, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 4] [def] [g]
+!21 = metadata !{metadata !"0x29", metadata !1}         ; [ DW_TAG_file_type ] [/Users/mren/c_testing/type_unique_air/inher/bar.cpp]
+!22 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !23, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !23 = metadata !{null, metadata !8}
-!24 = metadata !{i32 786478, metadata !1, metadata !21, metadata !"main", metadata !"main", metadata !"", i32 9, metadata !25, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @main, null, null, metadata !2, i32 9} ; [ DW_TAG_subprogram ] [line 9] [def] [main]
-!25 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !26, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!24 = metadata !{metadata !"0x2e\00main\00main\00\009\000\001\000\006\00256\000\009", metadata !1, metadata !21, metadata !25, null, i32 ()* @main, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 9] [def] [main]
+!25 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !26, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !26 = metadata !{metadata !8}
 !27 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
-!28 = metadata !{i32 786689, metadata !20, metadata !"a", metadata !21, i32 16777220, metadata !8, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [a] [line 4]
+!28 = metadata !{metadata !"0x101\00a\0016777220\000", metadata !20, metadata !21, metadata !8} ; [ DW_TAG_arg_variable ] [a] [line 4]
 !29 = metadata !{i32 4, i32 0, metadata !20, null}
-!30 = metadata !{i32 786688, metadata !20, metadata !"t", metadata !21, i32 5, metadata !4, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [t] [line 5]
+!30 = metadata !{metadata !"0x100\00t\005\000", metadata !20, metadata !21, metadata !4} ; [ DW_TAG_auto_variable ] [t] [line 5]
 !31 = metadata !{i32 5, i32 0, metadata !20, null}
 !32 = metadata !{i32 6, i32 0, metadata !20, null}
-!33 = metadata !{i32 786688, metadata !24, metadata !"a", metadata !21, i32 10, metadata !11, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [a] [line 10]
+!33 = metadata !{metadata !"0x100\00a\0010\000", metadata !24, metadata !21, metadata !11} ; [ DW_TAG_auto_variable ] [a] [line 10]
 !34 = metadata !{i32 10, i32 0, metadata !24, null}
 !35 = metadata !{i32 11, i32 0, metadata !24, null}
 !36 = metadata !{i32 12, i32 0, metadata !24, null}
 !37 = metadata !{i32 13, i32 0, metadata !24, null}
-!38 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!38 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
diff --git a/test/Linker/Inputs/type-unique-simple2-a.ll b/test/Linker/Inputs/type-unique-simple2-a.ll
index 676b410..5ed5c2a 100644
--- a/test/Linker/Inputs/type-unique-simple2-a.ll
+++ b/test/Linker/Inputs/type-unique-simple2-a.ll
@@ -49,13 +49,13 @@ entry:
   %a.addr = alloca i32, align 4
   %t = alloca %struct.Base, align 8
   store i32 %a, i32* %a.addr, align 4
-  call void @llvm.dbg.declare(metadata !{i32* %a.addr}, metadata !17), !dbg !18
-  call void @llvm.dbg.declare(metadata !{%struct.Base* %t}, metadata !19), !dbg !20
+  call void @llvm.dbg.declare(metadata !{i32* %a.addr}, metadata !17, metadata !{metadata !"0x102"}), !dbg !18
+  call void @llvm.dbg.declare(metadata !{%struct.Base* %t}, metadata !19, metadata !{metadata !"0x102"}), !dbg !20
   ret void, !dbg !21
 }
 
 ; Function Attrs: nounwind readnone
-declare void @llvm.dbg.declare(metadata, metadata) #1
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
 
 attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
 attributes #1 = { nounwind readnone }
@@ -63,26 +63,26 @@ attributes #1 = { nounwind readnone }
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!16, !22}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 (http://llvm.org/git/clang.git 8a3f9e46cb988d2c664395b21910091e3730ae82) (http://llvm.org/git/llvm.git 4699e9549358bc77824a59114548eecc3f7c523c)", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !11, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [foo.cpp] [DW_LANG_C_plus_plus]
+!0 = metadata !{metadata !"0x11\004\00clang version 3.4 (http://llvm.org/git/clang.git 8a3f9e46cb988d2c664395b21910091e3730ae82) (http://llvm.org/git/llvm.git 4699e9549358bc77824a59114548eecc3f7c523c)\000\00\000\00\000", metadata !1, metadata !2, metadata !3, metadata !11, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [foo.cpp] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"foo.cpp", metadata !"."}
 !2 = metadata !{}
 !3 = metadata !{metadata !4}
-!4 = metadata !{i32 786451, metadata !5, null, metadata !"Base", i32 1, i64 128, i64 64, i32 0, i32 0, null, metadata !6, i32 0, null, null, metadata !"_ZTS4Base"} ; [ DW_TAG_structure_type ] [Base] [line 1, size 128, align 64, offset 0] [def] [from ]
+!4 = metadata !{metadata !"0x13\00Base\001\00128\0064\000\000\000", metadata !5, null, null, metadata !6, null, null, metadata !"_ZTS4Base"} ; [ DW_TAG_structure_type ] [Base] [line 1, size 128, align 64, offset 0] [def] [from ]
 !5 = metadata !{metadata !"./a.hpp", metadata !"."}
 !6 = metadata !{metadata !7, metadata !9}
-!7 = metadata !{i32 786445, metadata !5, metadata !"_ZTS4Base", metadata !"a", i32 2, i64 32, i64 32, i64 0, i32 0, metadata !8} ; [ DW_TAG_member ] [a] [line 2, size 32, align 32, offset 0] [from int]
-!8 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
-!9 = metadata !{i32 786445, metadata !5, metadata !"_ZTS4Base", metadata !"b", i32 3, i64 64, i64 64, i64 64, i32 0, metadata !10} ; [ DW_TAG_member ] [b] [line 3, size 64, align 64, offset 64] [from ]
-!10 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS4Base"}
+!7 = metadata !{metadata !"0xd\00a\002\0032\0032\000\000", metadata !5, metadata !"_ZTS4Base", metadata !8} ; [ DW_TAG_member ] [a] [line 2, size 32, align 32, offset 0] [from int]
+!8 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!9 = metadata !{metadata !"0xd\00b\003\0064\0064\0064\000", metadata !5, metadata !"_ZTS4Base", metadata !10} ; [ DW_TAG_member ] [b] [line 3, size 64, align 64, offset 64] [from ]
+!10 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !"_ZTS4Base"} ; [ DW_TAG_pointer_type ]
 !11 = metadata !{metadata !12}
-!12 = metadata !{i32 786478, metadata !1, metadata !13, metadata !"f", metadata !"f", metadata !"_Z1fi", i32 3, metadata !14, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (i32)* @_Z1fi, null, null, metadata !2, i32 3} ; [ DW_TAG_subprogram ] [line 3] [def] [f]
-!13 = metadata !{i32 786473, metadata !1}         ; [ DW_TAG_file_type ] [foo.cpp]
-!14 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !15, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!12 = metadata !{metadata !"0x2e\00f\00f\00_Z1fi\003\000\001\000\006\00256\000\003", metadata !1, metadata !13, metadata !14, null, void (i32)* @_Z1fi, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 3] [def] [f]
+!13 = metadata !{metadata !"0x29", metadata !1}         ; [ DW_TAG_file_type ] [foo.cpp]
+!14 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !15, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !15 = metadata !{null, metadata !8}
 !16 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
-!17 = metadata !{i32 786689, metadata !12, metadata !"a", metadata !13, i32 16777219, metadata !8, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [a] [line 3]
+!17 = metadata !{metadata !"0x101\00a\0016777219\000", metadata !12, metadata !13, metadata !8} ; [ DW_TAG_arg_variable ] [a] [line 3]
 !18 = metadata !{i32 3, i32 0, metadata !12, null}
-!19 = metadata !{i32 786688, metadata !12, metadata !"t", metadata !13, i32 4, metadata !4, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [t] [line 4]
+!19 = metadata !{metadata !"0x100\00t\004\000", metadata !12, metadata !13, metadata !4} ; [ DW_TAG_auto_variable ] [t] [line 4]
 !20 = metadata !{i32 4, i32 0, metadata !12, null}
 !21 = metadata !{i32 5, i32 0, metadata !12, null}
-!22 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!22 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
diff --git a/test/Linker/Inputs/type-unique-simple2-b.ll b/test/Linker/Inputs/type-unique-simple2-b.ll
index 3ec79e5..241218d 100644
--- a/test/Linker/Inputs/type-unique-simple2-b.ll
+++ b/test/Linker/Inputs/type-unique-simple2-b.ll
@@ -8,13 +8,13 @@ entry:
   %a.addr = alloca i32, align 4
   %t = alloca %struct.Base, align 8
   store i32 %a, i32* %a.addr, align 4
-  call void @llvm.dbg.declare(metadata !{i32* %a.addr}, metadata !20), !dbg !21
-  call void @llvm.dbg.declare(metadata !{%struct.Base* %t}, metadata !22), !dbg !23
+  call void @llvm.dbg.declare(metadata !{i32* %a.addr}, metadata !20, metadata !{metadata !"0x102"}), !dbg !21
+  call void @llvm.dbg.declare(metadata !{%struct.Base* %t}, metadata !22, metadata !{metadata !"0x102"}), !dbg !23
   ret void, !dbg !24
 }
 
 ; Function Attrs: nounwind readnone
-declare void @llvm.dbg.declare(metadata, metadata) #1
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
 
 ; Function Attrs: ssp uwtable
 define i32 @main() #2 {
@@ -36,32 +36,32 @@ attributes #3 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "n
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!19, !28}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 (http://llvm.org/git/clang.git 8a3f9e46cb988d2c664395b21910091e3730ae82) (http://llvm.org/git/llvm.git 4699e9549358bc77824a59114548eecc3f7c523c)", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !11, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [bar.cpp] [DW_LANG_C_plus_plus]
+!0 = metadata !{metadata !"0x11\004\00clang version 3.4 (http://llvm.org/git/clang.git 8a3f9e46cb988d2c664395b21910091e3730ae82) (http://llvm.org/git/llvm.git 4699e9549358bc77824a59114548eecc3f7c523c)\000\00\000\00\000", metadata !1, metadata !2, metadata !3, metadata !11, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [bar.cpp] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"bar.cpp", metadata !"."}
 !2 = metadata !{}
 !3 = metadata !{metadata !4}
-!4 = metadata !{i32 786451, metadata !5, null, metadata !"Base", i32 1, i64 128, i64 64, i32 0, i32 0, null, metadata !6, i32 0, null, null, metadata !"_ZTS4Base"} ; [ DW_TAG_structure_type ] [Base] [line 1, size 128, align 64, offset 0] [def] [from ]
+!4 = metadata !{metadata !"0x13\00Base\001\00128\0064\000\000\000", metadata !5, null, null, metadata !6, null, null, metadata !"_ZTS4Base"} ; [ DW_TAG_structure_type ] [Base] [line 1, size 128, align 64, offset 0] [def] [from ]
 !5 = metadata !{metadata !"./a.hpp", metadata !"."}
 !6 = metadata !{metadata !7, metadata !9}
-!7 = metadata !{i32 786445, metadata !5, metadata !"_ZTS4Base", metadata !"a", i32 2, i64 32, i64 32, i64 0, i32 0, metadata !8} ; [ DW_TAG_member ] [a] [line 2, size 32, align 32, offset 0] [from int]
-!8 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
-!9 = metadata !{i32 786445, metadata !5, metadata !"_ZTS4Base", metadata !"b", i32 3, i64 64, i64 64, i64 64, i32 0, metadata !10} ; [ DW_TAG_member ] [b] [line 3, size 64, align 64, offset 64] [from ]
-!10 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS4Base"}
+!7 = metadata !{metadata !"0xd\00a\002\0032\0032\000\000", metadata !5, metadata !"_ZTS4Base", metadata !8} ; [ DW_TAG_member ] [a] [line 2, size 32, align 32, offset 0] [from int]
+!8 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!9 = metadata !{metadata !"0xd\00b\003\0064\0064\0064\000", metadata !5, metadata !"_ZTS4Base", metadata !10} ; [ DW_TAG_member ] [b] [line 3, size 64, align 64, offset 64] [from ]
+!10 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !"_ZTS4Base"} ; [ DW_TAG_pointer_type ]
 !11 = metadata !{metadata !12, metadata !16}
-!12 = metadata !{i32 786478, metadata !1, metadata !13, metadata !"g", metadata !"g", metadata !"_Z1gi", i32 4, metadata !14, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (i32)* @_Z1gi, null, null, metadata !2, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [g]
-!13 = metadata !{i32 786473, metadata !1}         ; [ DW_TAG_file_type ] [bar.cpp]
-!14 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !15, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!12 = metadata !{metadata !"0x2e\00g\00g\00_Z1gi\004\000\001\000\006\00256\000\004", metadata !1, metadata !13, metadata !14, null, void (i32)* @_Z1gi, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 4] [def] [g]
+!13 = metadata !{metadata !"0x29", metadata !1}         ; [ DW_TAG_file_type ] [bar.cpp]
+!14 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !15, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !15 = metadata !{null, metadata !8}
-!16 = metadata !{i32 786478, metadata !1, metadata !13, metadata !"main", metadata !"main", metadata !"", i32 7, metadata !17, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @main, null, null, metadata !2, i32 7} ; [ DW_TAG_subprogram ] [line 7] [def] [main]
-!17 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !18, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!16 = metadata !{metadata !"0x2e\00main\00main\00\007\000\001\000\006\00256\000\007", metadata !1, metadata !13, metadata !17, null, i32 ()* @main, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 7] [def] [main]
+!17 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !18, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !18 = metadata !{metadata !8}
 !19 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
-!20 = metadata !{i32 786689, metadata !12, metadata !"a", metadata !13, i32 16777220, metadata !8, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [a] [line 4]
+!20 = metadata !{metadata !"0x101\00a\0016777220\000", metadata !12, metadata !13, metadata !8} ; [ DW_TAG_arg_variable ] [a] [line 4]
 !21 = metadata !{i32 4, i32 0, metadata !12, null}
-!22 = metadata !{i32 786688, metadata !12, metadata !"t", metadata !13, i32 5, metadata !4, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [t] [line 5]
+!22 = metadata !{metadata !"0x100\00t\005\000", metadata !12, metadata !13, metadata !4} ; [ DW_TAG_auto_variable ] [t] [line 5]
 !23 = metadata !{i32 5, i32 0, metadata !12, null}
 !24 = metadata !{i32 6, i32 0, metadata !12, null}
-!25 = metadata !{i32 8, i32 0, metadata !16, null} ; [ DW_TAG_imported_declaration ]
+!25 = metadata !{i32 8, i32 0, metadata !16, null}
 !26 = metadata !{i32 9, i32 0, metadata !16, null}
 !27 = metadata !{i32 10, i32 0, metadata !16, null}
-!28 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!28 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
diff --git a/test/Linker/Inputs/unique-fwd-decl-b.ll b/test/Linker/Inputs/unique-fwd-decl-b.ll
new file mode 100644
index 0000000..240fbee
--- /dev/null
+++ b/test/Linker/Inputs/unique-fwd-decl-b.ll
@@ -0,0 +1,3 @@
+!b = !{!0}
+!0 = metadata !{metadata !1}
+!1 = metadata !{}
diff --git a/test/Linker/visibility2.ll b/test/Linker/Inputs/visibility.ll
index e6363ca..2ab58fd 100644
--- a/test/Linker/visibility2.ll
+++ b/test/Linker/Inputs/visibility.ll
@@ -1,16 +1,15 @@
-; This file is used by visibility1.ll, so it doesn't actually do anything itself
-;
-; RUN: true
+$c1 = comdat any
 
 ; Variables
 @v1 = weak hidden global i32 0
 @v2 = weak protected global i32 0
 @v3 = weak hidden global i32 0
+@v4 = hidden global i32 1, comdat $c1
 
 ; Aliases
-@a1 = hidden alias weak i32* @v1
-@a2 = protected alias weak i32* @v2
-@a3 = hidden alias weak i32* @v3
+@a1 = weak hidden alias i32* @v1
+@a2 = weak protected alias i32* @v2
+@a3 = weak hidden alias i32* @v3
 
 ; Functions
 define weak hidden void @f1() {
diff --git a/test/Linker/comdat7.ll b/test/Linker/comdat7.ll
index c3ff3f6..d7e5e2d 100644
--- a/test/Linker/comdat7.ll
+++ b/test/Linker/comdat7.ll
@@ -1,9 +1,8 @@
-; RUN: not llvm-link %s %p/Inputs/comdat5.ll -S -o - 2>&1 | FileCheck %s
-target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
-target triple = "i686-pc-windows-msvc"
+; RUN: not llvm-link %s %s -S -o - 2>&1 | FileCheck %s
 
-$"\01??_7S@@6B@" = comdat largest
-define void @"\01??_7S@@6B@"() {
+$c1 = comdat largest
+
+define void @c1() comdat $c1 {
   ret void
 }
 ; CHECK: GlobalVariable required for data dependent selection!
diff --git a/test/Linker/comdat8.ll b/test/Linker/comdat8.ll
index 21669f6..e6da583 100644
--- a/test/Linker/comdat8.ll
+++ b/test/Linker/comdat8.ll
@@ -1,10 +1,8 @@
-; RUN: not llvm-link %s %p/Inputs/comdat5.ll -S -o - 2>&1 | FileCheck %s
-target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
-target triple = "i686-pc-windows-msvc"
+; RUN: not llvm-link %s %p/Inputs/comdat8.ll -S -o - 2>&1 | FileCheck %s
+
+$c1 = comdat largest
+
+@some_name = private unnamed_addr constant i32 42, comdat $c1
+@c1 = alias i8* inttoptr (i32 ptrtoint (i32* @some_name to i32) to i8*)
 
-$"\01??_7S@@6B@" = comdat largest
-define void @some_name() {
-  ret void
-}
-@"\01??_7S@@6B@" = alias i8* inttoptr (i32 ptrtoint (void ()* @some_name to i32) to i8*)
 ; CHECK: COMDAT key involves incomputable alias size.
diff --git a/test/Linker/comdat9.ll b/test/Linker/comdat9.ll
new file mode 100644
index 0000000..eada8c6
--- /dev/null
+++ b/test/Linker/comdat9.ll
@@ -0,0 +1,7 @@
+; RUN: llvm-link %s %p/Inputs/comdat9.ll -S -o - | FileCheck %s
+
+; CHECK: $c = comdat any
+; CHECK: @a = alias void ()* @f
+; CHECK: define internal void @f() comdat $c {
+; CHECK:   ret void
+; CHECK: }
diff --git a/test/Linker/constructor-comdat.ll b/test/Linker/constructor-comdat.ll
new file mode 100644
index 0000000..42e2d83
--- /dev/null
+++ b/test/Linker/constructor-comdat.ll
@@ -0,0 +1,13 @@
+; RUN: llvm-link %s %p/Inputs/constructor-comdat.ll -S -o - 2>&1 | FileCheck %s
+; RUN: llvm-link %p/Inputs/constructor-comdat.ll %s -S -o - 2>&1 | FileCheck %s
+
+$_ZN3fooIiEC5Ev = comdat any
+; CHECK: $_ZN3fooIiEC5Ev = comdat any
+
+@_ZN3fooIiEC1Ev = weak_odr alias void ()* @_ZN3fooIiEC2Ev
+; CHECK: @_ZN3fooIiEC1Ev = weak_odr alias void ()* @_ZN3fooIiEC2Ev
+
+; CHECK: define weak_odr void @_ZN3fooIiEC2Ev() comdat $_ZN3fooIiEC5Ev {
+define weak_odr void @_ZN3fooIiEC2Ev() comdat $_ZN3fooIiEC5Ev {
+  ret void
+}
diff --git a/test/Linker/ctors.ll b/test/Linker/ctors.ll
new file mode 100644
index 0000000..67bf456
--- /dev/null
+++ b/test/Linker/ctors.ll
@@ -0,0 +1,15 @@
+; RUN: llvm-link %s %p/Inputs/ctors.ll -S -o - | \
+; RUN:   FileCheck --check-prefix=ALL --check-prefix=CHECK1 %s
+; RUN: llvm-link %p/Inputs/ctors.ll %s -S -o - | \
+; RUN:   FileCheck --check-prefix=ALL --check-prefix=CHECK2 %s
+
+@v = weak global i8 0
+; CHECK1: @v = weak global i8 0
+; CHECK2: @v = weak global i8 1
+
+@llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @f, i8* @v }]
+; ALL: @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @f, i8* @v }]
+
+define weak void @f() {
+  ret void
+}
diff --git a/test/Linker/debug-info-version-a.ll b/test/Linker/debug-info-version-a.ll
index c3d9c87..64a0583 100644
--- a/test/Linker/debug-info-version-a.ll
+++ b/test/Linker/debug-info-version-a.ll
@@ -10,7 +10,7 @@
 !llvm.module.flags = !{ !0 }
 !llvm.dbg.cu = !{!1}
 
-!0 = metadata !{i32 2, metadata !"Debug Info Version", i32 1}
-!1 = metadata !{i32 589841, metadata !2, i32 12, metadata !"clang", i1 true, metadata !"", i32 0, metadata !3, metadata !3, metadata !3, null, null, metadata !""} ; [ DW_TAG_compile_unit ]
+!0 = metadata !{i32 2, metadata !"Debug Info Version", i32 2}
+!1 = metadata !{metadata !"0x11\0012\00clang\001\00\000\00\000", metadata !2, metadata !3, metadata !3, metadata !3, null, null} ; [ DW_TAG_compile_unit ]
 !2 = metadata !{metadata !"a.c", metadata !""}
 !3 = metadata !{}
diff --git a/test/Linker/debug-info-version-b.ll b/test/Linker/debug-info-version-b.ll
index 2b4f184..515291f 100644
--- a/test/Linker/debug-info-version-b.ll
+++ b/test/Linker/debug-info-version-b.ll
@@ -5,6 +5,6 @@
 !llvm.dbg.cu = !{!1}
 
 !0 = metadata !{i32 2, metadata !"Debug Info Version", i32 42}
-!1 = metadata !{i32 589841, metadata !2, i32 12, metadata !"clang", metadata !"I AM UNEXPECTED!"} ; [ DW_TAG_compile_unit ]
+!1 = metadata !{metadata !"0x11\0012\00clang\000\00", metadata !"I AM UNEXPECTED!"} ; [ DW_TAG_compile_unit ]
 !2 = metadata !{metadata !"b.c", metadata !""}
 !3 = metadata !{}
diff --git a/test/Linker/global_ctors.ll b/test/Linker/global_ctors.ll
index 541f0d4..49df81a 100644
--- a/test/Linker/global_ctors.ll
+++ b/test/Linker/global_ctors.ll
@@ -1,5 +1,6 @@
 ; RUN: llvm-as %s -o %t.new.bc
 ; RUN: llvm-link %t.new.bc %S/Inputs/old_global_ctors.3.4.bc | llvm-dis | FileCheck %s
+; RUN: llvm-link %S/Inputs/old_global_ctors.3.4.bc %t.new.bc | llvm-dis | FileCheck %s
 
 ; old_global_ctors.3.4.bc contains the following LLVM IL, assembled into
 ; bitcode by llvm-as from 3.4.  It uses a two element @llvm.global_ctors array.
diff --git a/test/Linker/ident.ll b/test/Linker/ident.ll
new file mode 100644
index 0000000..93bf8c7
--- /dev/null
+++ b/test/Linker/ident.ll
@@ -0,0 +1,9 @@
+; RUN: llvm-link %S/Inputs/ident.a.ll %S/Inputs/ident.b.ll -S | FileCheck %s
+
+; Verify that multiple input llvm.ident metadata are linked together.
+
+; CHECK-DAG: !llvm.ident = !{!0, !1, !2}
+; CHECK-DAG: "Compiler V1"
+; CHECK-DAG: "Compiler V2"
+; CHECK-DAG: "Compiler V3"
+
diff --git a/test/Linker/link-messages.ll b/test/Linker/link-messages.ll
deleted file mode 100644
index 4e7ffbc..0000000
--- a/test/Linker/link-messages.ll
+++ /dev/null
@@ -1,10 +0,0 @@
-; Test that linking two files with the same definition causes an error and
-; that error is printed out.
-; RUN: llvm-as %s -o %t.one.bc
-; RUN: llvm-as %s -o %t.two.bc
-; RUN: not llvm-link %t.one.bc %t.two.bc -o %t.bc 2>&1 | FileCheck %s
-
-; CHECK: symbol multiply defined
-define i32 @bar() {
-  ret i32 0
-}
diff --git a/test/Linker/linkage2.ll b/test/Linker/linkage2.ll
new file mode 100644
index 0000000..dbae7ca
--- /dev/null
+++ b/test/Linker/linkage2.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-link %s %p/Inputs/linkage2.ll -S | FileCheck %s
+; RUN: llvm-link %p/Inputs/linkage2.ll %s -S | FileCheck %s
+
+@test1_a = common global i8 0
+; CHECK-DAG: @test1_a = common global i8 0
+
+@test2_a = global i8 0
+; CHECK-DAG: @test2_a = global i8 0
+
+@test3_a = common global i8 0
+; CHECK-DAG: @test3_a = common global i16 0
+
+@test4_a = common global i8 0, align 8
+; CHECK-DAG: @test4_a = common global i16 0, align 8
diff --git a/test/Linker/lto-attributes.ll b/test/Linker/lto-attributes.ll
new file mode 100644
index 0000000..0dc78ad
--- /dev/null
+++ b/test/Linker/lto-attributes.ll
@@ -0,0 +1,7 @@
+; RUN: llvm-link -S %s -o - | FileCheck %s
+
+; CHECK: @foo = private externally_initialized global i8* null
+@foo = private externally_initialized global i8* null
+; CHECK: @array = appending global [7 x i8] c"abcdefg", align 1
+@array = appending global [7 x i8] c"abcdefg", align 1
+
diff --git a/test/Linker/module-flags-pic-1-a.ll b/test/Linker/module-flags-pic-1-a.ll
new file mode 100644
index 0000000..bc4da95
--- /dev/null
+++ b/test/Linker/module-flags-pic-1-a.ll
@@ -0,0 +1,9 @@
+; RUN: llvm-link %s %p/Inputs/module-flags-pic-1-b.ll -S -o - | FileCheck %s
+
+; test linking modules with specified and default PIC levels
+
+!0 = metadata !{ i32 1, metadata !"PIC Level", i32 1 }
+
+!llvm.module.flags = !{!0}
+; CHECK: !llvm.module.flags = !{!0}
+; CHECK: !0 = metadata !{i32 1, metadata !"PIC Level", i32 1}
diff --git a/test/Linker/module-flags-pic-2-a.ll b/test/Linker/module-flags-pic-2-a.ll
new file mode 100644
index 0000000..3ff9c8f
--- /dev/null
+++ b/test/Linker/module-flags-pic-2-a.ll
@@ -0,0 +1,10 @@
+; RUN: not llvm-link %s %p/Inputs/module-flags-pic-2-b.ll -S -o - 2> %t
+; RUN: FileCheck --check-prefix=CHECK-ERRORS < %t %s
+
+; test linking modules with two different PIC levels
+
+!0 = metadata !{ i32 1, metadata !"PIC Level", i32 1 }
+
+!llvm.module.flags = !{!0}
+
+; CHECK-ERRORS: ERROR: linking module flags 'PIC Level': IDs have conflicting values
diff --git a/test/Linker/redefinition.ll b/test/Linker/redefinition.ll
index 64a8c34..1177a70 100644
--- a/test/Linker/redefinition.ll
+++ b/test/Linker/redefinition.ll
@@ -1,9 +1,6 @@
-; Test linking two functions with different prototypes and two globals 
+; Test linking two functions with different prototypes and two globals
 ; in different modules.
-; RUN: llvm-as %s -o %t.foo1.bc
-; RUN: llvm-as %s -o %t.foo2.bc
-; RUN: echo "define void @foo(i32 %x) { ret void }" | llvm-as -o %t.foo3.bc
-; RUN: not llvm-link %t.foo1.bc %t.foo2.bc -o %t.bc 2>&1 | FileCheck %s
-; RUN: not llvm-link %t.foo1.bc %t.foo3.bc -o %t.bc 2>&1 | FileCheck %s
-; CHECK: symbol multiply defined
+; RUN: not llvm-link %s %s -o %t.bc 2>&1 | FileCheck %s
+; RUN: not llvm-link %s %S/Inputs/redefinition.ll -o %t.bc 2>&1 | FileCheck %s
+; CHECK: ERROR: Linking globals named 'foo': symbol multiply defined!
 define void @foo() { ret void }
diff --git a/test/Linker/targettriple.ll b/test/Linker/targettriple.ll
index 7183047..c544a14 100644
--- a/test/Linker/targettriple.ll
+++ b/test/Linker/targettriple.ll
@@ -5,6 +5,9 @@
 ; RUN: llvm-link %s %S/Inputs/targettriple-b.ll -S -o - 2>%t.b.err | FileCheck %s
 ; RUN: cat %t.b.err | FileCheck --check-prefix=WARN-B %s
 
+; RUN: llvm-link -suppress-warnings %s %S/Inputs/targettriple-b.ll -S -o - 2>%t.no-warn.err | FileCheck %s
+; RUN: (echo foo ;cat %t.no-warn.err) | FileCheck --check-prefix=WARN-A %s
+
 target triple = "e"
 
 ; CHECK: target triple = "e"
diff --git a/test/Linker/type-unique-odr-a.ll b/test/Linker/type-unique-odr-a.ll
index 91c8033..e17cd2b 100644
--- a/test/Linker/type-unique-odr-a.ll
+++ b/test/Linker/type-unique-odr-a.ll
@@ -41,7 +41,7 @@
 ; CHECK:   DW_AT_MIPS_linkage_name {{.*}} "_ZL3barv"
 
 ; getFoo and A may only appear once.
-; CHECK-NOT:  {{(getFoo)|("A")}}
+; CHECK-NOT:  AT_name{{.*(getFoo)|("A")}}
 
 
 ; ModuleID = 'type-unique-odr-a.cpp'
@@ -59,12 +59,12 @@ entry:
 define internal void @_ZL3barv() #0 {
 entry:
   %a = alloca %class.A, align 4
-  call void @llvm.dbg.declare(metadata !{%class.A* %a}, metadata !24), !dbg !25
+  call void @llvm.dbg.declare(metadata !{%class.A* %a}, metadata !24, metadata !{metadata !"0x102"}), !dbg !25
   ret void, !dbg !26
 }
 
 ; Function Attrs: nounwind readnone
-declare void @llvm.dbg.declare(metadata, metadata) #1
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
 
 attributes #0 = { nounwind }
 attributes #1 = { nounwind readnone }
@@ -73,30 +73,30 @@ attributes #1 = { nounwind readnone }
 !llvm.module.flags = !{!20, !21}
 !llvm.ident = !{!22}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !14, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [<unknown>] [DW_LANG_C_plus_plus]
+!0 = metadata !{metadata !"0x11\004\00clang version 3.5.0 \000\00\000\00\001", metadata !1, metadata !2, metadata !3, metadata !14, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [<unknown>] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"<unknown>", metadata !""}
 !2 = metadata !{}
 !3 = metadata !{metadata !4}
-!4 = metadata !{i32 786434, metadata !5, null, metadata !"A", i32 1, i64 32, i64 32, i32 0, i32 0, null, metadata !6, i32 0, null, null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 1, size 32, align 32, offset 0] [def] [from ]
+!4 = metadata !{metadata !"0x2\00A\001\0032\0032\000\000\000", metadata !5, null, null, metadata !6, null, null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 1, size 32, align 32, offset 0] [def] [from ]
 !5 = metadata !{metadata !"type-unique-odr-a.cpp", metadata !""}
 !6 = metadata !{metadata !7, metadata !9}
-!7 = metadata !{i32 786445, metadata !5, metadata !"_ZTS1A", metadata !"data", i32 2, i64 32, i64 32, i64 0, i32 1, metadata !8} ; [ DW_TAG_member ] [data] [line 2, size 32, align 32, offset 0] [private] [from int]
-!8 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
-!9 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 4, metadata !10, i1 false, i1 false, i32 0, i32 0, null, i32 258, i1 false, null, null, i32 0, metadata !13, i32 4} ; [ DW_TAG_subprogram ] [line 4] [protected] [getFoo]
-!10 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !11, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!7 = metadata !{metadata !"0xd\00data\002\0032\0032\000\001", metadata !5, metadata !"_ZTS1A", metadata !8} ; [ DW_TAG_member ] [data] [line 2, size 32, align 32, offset 0] [private] [from int]
+!8 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!9 = metadata !{metadata !"0x2e\00getFoo\00getFoo\00_ZN1A6getFooEv\004\000\000\000\006\00258\000\004", metadata !5, metadata !"_ZTS1A", metadata !10, null, null, null, i32 0, metadata !13} ; [ DW_TAG_subprogram ] [line 4] [protected] [getFoo]
+!10 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !11, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !11 = metadata !{null, metadata !12}
-!12 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A]
+!12 = metadata !{metadata !"0xf\00\000\0064\0064\000\001088", null, null, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A]
 !13 = metadata !{i32 786468}
 !14 = metadata !{metadata !15, metadata !19}
-!15 = metadata !{i32 786478, metadata !5, metadata !16, metadata !"baz", metadata !"baz", metadata !"_Z3bazv", i32 11, metadata !17, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z3bazv, null, null, metadata !2, i32 11} ; [ DW_TAG_subprogram ] [line 11] [def] [baz]
-!16 = metadata !{i32 786473, metadata !5}         ; [ DW_TAG_file_type ] [type-unique-odr-a.cpp]
-!17 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !18, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!15 = metadata !{metadata !"0x2e\00baz\00baz\00_Z3bazv\0011\000\001\000\006\00256\000\0011", metadata !5, metadata !16, metadata !17, null, void ()* @_Z3bazv, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 11] [def] [baz]
+!16 = metadata !{metadata !"0x29", metadata !5}         ; [ DW_TAG_file_type ] [type-unique-odr-a.cpp]
+!17 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !18, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !18 = metadata !{null}
-!19 = metadata !{i32 786478, metadata !5, metadata !16, metadata !"bar", metadata !"bar", metadata !"_ZL3barv", i32 7, metadata !17, i1 true, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_ZL3barv, null, null, metadata !2, i32 7} ; [ DW_TAG_subprogram ] [line 7] [local] [def] [bar]
+!19 = metadata !{metadata !"0x2e\00bar\00bar\00_ZL3barv\007\001\001\000\006\00256\000\007", metadata !5, metadata !16, metadata !17, null, void ()* @_ZL3barv, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 7] [local] [def] [bar]
 !20 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
-!21 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!21 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
 !22 = metadata !{metadata !"clang version 3.5.0 "}
 !23 = metadata !{i32 11, i32 0, metadata !15, null}
-!24 = metadata !{i32 786688, metadata !19, metadata !"a", metadata !16, i32 8, metadata !"_ZTS1A", i32 0, i32 0} ; [ DW_TAG_auto_variable ] [a] [line 8]
-!25 = metadata !{i32 8, i32 0, metadata !19, null} ; [ DW_TAG_imported_declaration ]
+!24 = metadata !{metadata !"0x100\00a\008\000", metadata !19, metadata !16, metadata !"_ZTS1A"} ; [ DW_TAG_auto_variable ] [a] [line 8]
+!25 = metadata !{i32 8, i32 0, metadata !19, null}
 !26 = metadata !{i32 9, i32 0, metadata !19, null}
diff --git a/test/Linker/type-unique-odr-b.ll b/test/Linker/type-unique-odr-b.ll
index 3c8b7a1..e5f094e 100644
--- a/test/Linker/type-unique-odr-b.ll
+++ b/test/Linker/type-unique-odr-b.ll
@@ -26,13 +26,13 @@ define void @_ZN1A6getFooEv(%class.A* %this) #0 align 2 {
 entry:
   %this.addr = alloca %class.A*, align 8
   store %class.A* %this, %class.A** %this.addr, align 8
-  call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !24), !dbg !26
+  call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !24, metadata !{metadata !"0x102"}), !dbg !26
   %this1 = load %class.A** %this.addr
   ret void, !dbg !27
 }
 
 ; Function Attrs: nounwind readnone
-declare void @llvm.dbg.declare(metadata, metadata) #1
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
 
 ; Function Attrs: nounwind
 define void @_Z1fv() #0 {
@@ -54,33 +54,33 @@ attributes #1 = { nounwind readnone }
 !llvm.module.flags = !{!21, !22}
 !llvm.ident = !{!23}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !14, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [<unknown>] [DW_LANG_C_plus_plus]
+!0 = metadata !{metadata !"0x11\004\00clang version 3.5.0 \000\00\000\00\001", metadata !1, metadata !2, metadata !3, metadata !14, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [<unknown>] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"<unknown>", metadata !""}
 !2 = metadata !{}
 !3 = metadata !{metadata !4}
-!4 = metadata !{i32 786434, metadata !5, null, metadata !"A", i32 2, i64 32, i64 32, i32 0, i32 0, null, metadata !6, i32 0, null, null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 2, size 32, align 32, offset 0] [def] [from ]
+!4 = metadata !{metadata !"0x2\00A\002\0032\0032\000\000\000", metadata !5, null, null, metadata !6, null, null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 2, size 32, align 32, offset 0] [def] [from ]
 !5 = metadata !{metadata !"type-unique-odr-b.cpp", metadata !""}
 !6 = metadata !{metadata !7, metadata !9}
-!7 = metadata !{i32 786445, metadata !5, metadata !"_ZTS1A", metadata !"data", i32 3, i64 32, i64 32, i64 0, i32 1, metadata !8} ; [ DW_TAG_member ] [data] [line 3, size 32, align 32, offset 0] [private] [from int]
-!8 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
-!9 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 5, metadata !10, i1 false, i1 false, i32 0, i32 0, null, i32 258, i1 false, null, null, i32 0, metadata !13, i32 5} ; [ DW_TAG_subprogram ] [line 5] [protected] [getFoo]
-!10 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !11, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!7 = metadata !{metadata !"0xd\00data\003\0032\0032\000\001", metadata !5, metadata !"_ZTS1A", metadata !8} ; [ DW_TAG_member ] [data] [line 3, size 32, align 32, offset 0] [private] [from int]
+!8 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!9 = metadata !{metadata !"0x2e\00getFoo\00getFoo\00_ZN1A6getFooEv\005\000\000\000\006\00258\000\005", metadata !5, metadata !"_ZTS1A", metadata !10, null, null, null, i32 0, metadata !13} ; [ DW_TAG_subprogram ] [line 5] [protected] [getFoo]
+!10 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !11, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !11 = metadata !{null, metadata !12}
-!12 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A]
+!12 = metadata !{metadata !"0xf\00\000\0064\0064\000\001088", null, null, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A]
 !13 = metadata !{i32 786468}
 !14 = metadata !{metadata !15, metadata !16, metadata !20}
-!15 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 8, metadata !10, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%class.A*)* @_ZN1A6getFooEv, null, metadata !9, metadata !2, i32 8} ; [ DW_TAG_subprogram ] [line 8] [def] [getFoo]
-!16 = metadata !{i32 786478, metadata !5, metadata !17, metadata !"f", metadata !"f", metadata !"_Z1fv", i32 11, metadata !18, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z1fv, null, null, metadata !2, i32 11} ; [ DW_TAG_subprogram ] [line 11] [def] [f]
-!17 = metadata !{i32 786473, metadata !5}         ; [ DW_TAG_file_type ] [type-unique-odr-b.cpp]
-!18 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !19, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!15 = metadata !{metadata !"0x2e\00getFoo\00getFoo\00_ZN1A6getFooEv\008\000\001\000\006\00256\000\008", metadata !5, metadata !"_ZTS1A", metadata !10, null, void (%class.A*)* @_ZN1A6getFooEv, null, metadata !9, metadata !2} ; [ DW_TAG_subprogram ] [line 8] [def] [getFoo]
+!16 = metadata !{metadata !"0x2e\00f\00f\00_Z1fv\0011\000\001\000\006\00256\000\0011", metadata !5, metadata !17, metadata !18, null, void ()* @_Z1fv, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 11] [def] [f]
+!17 = metadata !{metadata !"0x29", metadata !5}         ; [ DW_TAG_file_type ] [type-unique-odr-b.cpp]
+!18 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !19, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !19 = metadata !{null}
-!20 = metadata !{i32 786478, metadata !5, metadata !17, metadata !"bar", metadata !"bar", metadata !"_ZL3barv", i32 10, metadata !18, i1 true, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_ZL3barv, null, null, metadata !2, i32 10} ; [ DW_TAG_subprogram ] [line 10] [local] [def] [bar]
+!20 = metadata !{metadata !"0x2e\00bar\00bar\00_ZL3barv\0010\001\001\000\006\00256\000\0010", metadata !5, metadata !17, metadata !18, null, void ()* @_ZL3barv, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 10] [local] [def] [bar]
 !21 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
-!22 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!22 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
 !23 = metadata !{metadata !"clang version 3.5.0 "}
-!24 = metadata !{i32 786689, metadata !15, metadata !"this", null, i32 16777216, metadata !25, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
-!25 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1A]
+!24 = metadata !{metadata !"0x101\00this\0016777216\001088", metadata !15, null, metadata !25} ; [ DW_TAG_arg_variable ] [this] [line 0]
+!25 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1A]
 !26 = metadata !{i32 0, i32 0, metadata !15, null}
-!27 = metadata !{i32 8, i32 0, metadata !15, null} ; [ DW_TAG_imported_declaration ]
+!27 = metadata !{i32 8, i32 0, metadata !15, null}
 !28 = metadata !{i32 11, i32 0, metadata !16, null}
 !29 = metadata !{i32 10, i32 0, metadata !20, null}
diff --git a/test/Linker/type-unique-simple-a.ll b/test/Linker/type-unique-simple-a.ll
index 350cd1f..c01cd5c 100644
--- a/test/Linker/type-unique-simple-a.ll
+++ b/test/Linker/type-unique-simple-a.ll
@@ -54,13 +54,13 @@ entry:
   %a.addr = alloca i32, align 4
   %t = alloca %struct.Base, align 4
   store i32 %a, i32* %a.addr, align 4
-  call void @llvm.dbg.declare(metadata !{i32* %a.addr}, metadata !15), !dbg !16
-  call void @llvm.dbg.declare(metadata !{%struct.Base* %t}, metadata !17), !dbg !18
+  call void @llvm.dbg.declare(metadata !{i32* %a.addr}, metadata !15, metadata !{metadata !"0x102"}), !dbg !16
+  call void @llvm.dbg.declare(metadata !{%struct.Base* %t}, metadata !17, metadata !{metadata !"0x102"}), !dbg !18
   ret void, !dbg !19
 }
 
 ; Function Attrs: nounwind readnone
-declare void @llvm.dbg.declare(metadata, metadata) #1
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
 
 attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
 attributes #1 = { nounwind readnone }
@@ -68,24 +68,24 @@ attributes #1 = { nounwind readnone }
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!14, !20}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 (http://llvm.org/git/clang.git c23b1db6268c8e7ce64026d57d1510c1aac200a0) (http://llvm.org/git/llvm.git 09b98fe3978eddefc2145adc1056cf21580ce945)", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !9, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/Users/mren/c_testing/type_unique_air/simple/foo.cpp] [DW_LANG_C_plus_plus]
+!0 = metadata !{metadata !"0x11\004\00clang version 3.4 (http://llvm.org/git/clang.git c23b1db6268c8e7ce64026d57d1510c1aac200a0) (http://llvm.org/git/llvm.git 09b98fe3978eddefc2145adc1056cf21580ce945)\000\00\000\00\000", metadata !1, metadata !2, metadata !3, metadata !9, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [/Users/mren/c_testing/type_unique_air/simple/foo.cpp] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"foo.cpp", metadata !"/Users/mren/c_testing/type_unique_air/simple"}
 !2 = metadata !{}
 !3 = metadata !{metadata !4}
-!4 = metadata !{i32 786451, metadata !5, null, metadata !"Base", i32 1, i64 32, i64 32, i32 0, i32 0, null, metadata !6, i32 0, null, null, metadata !"_ZTS4Base"} ; [ DW_TAG_structure_type ] [Base] [line 1, size 32, align 32, offset 0] [def] [from ]
+!4 = metadata !{metadata !"0x13\00Base\001\0032\0032\000\000\000", metadata !5, null, null, metadata !6, null, null, metadata !"_ZTS4Base"} ; [ DW_TAG_structure_type ] [Base] [line 1, size 32, align 32, offset 0] [def] [from ]
 !5 = metadata !{metadata !"./a.hpp", metadata !"/Users/mren/c_testing/type_unique_air/simple"}
 !6 = metadata !{metadata !7}
-!7 = metadata !{i32 786445, metadata !5, metadata !"_ZTS4Base", metadata !"a", i32 2, i64 32, i64 32, i64 0, i32 0, metadata !8} ; [ DW_TAG_member ] [a] [line 2, size 32, align 32, offset 0] [from int]
-!8 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!7 = metadata !{metadata !"0xd\00a\002\0032\0032\000\000", metadata !5, metadata !"_ZTS4Base", metadata !8} ; [ DW_TAG_member ] [a] [line 2, size 32, align 32, offset 0] [from int]
+!8 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
 !9 = metadata !{metadata !10}
-!10 = metadata !{i32 786478, metadata !1, metadata !11, metadata !"f", metadata !"f", metadata !"_Z1fi", i32 3, metadata !12, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (i32)* @_Z1fi, null, null, metadata !2, i32 3} ; [ DW_TAG_subprogram ] [line 3] [def] [f]
-!11 = metadata !{i32 786473, metadata !1}         ; [ DW_TAG_file_type ] [/Users/mren/c_testing/type_unique_air/simple/foo.cpp]
-!12 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !13, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!10 = metadata !{metadata !"0x2e\00f\00f\00_Z1fi\003\000\001\000\006\00256\000\003", metadata !1, metadata !11, metadata !12, null, void (i32)* @_Z1fi, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 3] [def] [f]
+!11 = metadata !{metadata !"0x29", metadata !1}         ; [ DW_TAG_file_type ] [/Users/mren/c_testing/type_unique_air/simple/foo.cpp]
+!12 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !13, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !13 = metadata !{null, metadata !8}
 !14 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
-!15 = metadata !{i32 786689, metadata !10, metadata !"a", metadata !11, i32 16777219, metadata !8, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [a] [line 3]
+!15 = metadata !{metadata !"0x101\00a\0016777219\000", metadata !10, metadata !11, metadata !8} ; [ DW_TAG_arg_variable ] [a] [line 3]
 !16 = metadata !{i32 3, i32 0, metadata !10, null}
-!17 = metadata !{i32 786688, metadata !10, metadata !"t", metadata !11, i32 4, metadata !4, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [t] [line 4]
+!17 = metadata !{metadata !"0x100\00t\004\000", metadata !10, metadata !11, metadata !4} ; [ DW_TAG_auto_variable ] [t] [line 4]
 !18 = metadata !{i32 4, i32 0, metadata !10, null}
 !19 = metadata !{i32 5, i32 0, metadata !10, null}
-!20 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!20 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
diff --git a/test/Linker/type-unique-simple-b.ll b/test/Linker/type-unique-simple-b.ll
index 854ec15..fabdb03 100644
--- a/test/Linker/type-unique-simple-b.ll
+++ b/test/Linker/type-unique-simple-b.ll
@@ -10,13 +10,13 @@ entry:
   %a.addr = alloca i32, align 4
   %t = alloca %struct.Base, align 4
   store i32 %a, i32* %a.addr, align 4
-  call void @llvm.dbg.declare(metadata !{i32* %a.addr}, metadata !18), !dbg !19
-  call void @llvm.dbg.declare(metadata !{%struct.Base* %t}, metadata !20), !dbg !21
+  call void @llvm.dbg.declare(metadata !{i32* %a.addr}, metadata !18, metadata !{metadata !"0x102"}), !dbg !19
+  call void @llvm.dbg.declare(metadata !{%struct.Base* %t}, metadata !20, metadata !{metadata !"0x102"}), !dbg !21
   ret void, !dbg !22
 }
 
 ; Function Attrs: nounwind readnone
-declare void @llvm.dbg.declare(metadata, metadata) #1
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
 
 ; Function Attrs: ssp uwtable
 define i32 @main() #2 {
@@ -38,30 +38,30 @@ attributes #3 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "n
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!17, !26}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 (http://llvm.org/git/clang.git c23b1db6268c8e7ce64026d57d1510c1aac200a0) (http://llvm.org/git/llvm.git 09b98fe3978eddefc2145adc1056cf21580ce945)", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !9, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/Users/mren/c_testing/type_unique_air/simple/bar.cpp] [DW_LANG_C_plus_plus]
+!0 = metadata !{metadata !"0x11\004\00clang version 3.4 (http://llvm.org/git/clang.git c23b1db6268c8e7ce64026d57d1510c1aac200a0) (http://llvm.org/git/llvm.git 09b98fe3978eddefc2145adc1056cf21580ce945)\000\00\000\00\000", metadata !1, metadata !2, metadata !3, metadata !9, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [/Users/mren/c_testing/type_unique_air/simple/bar.cpp] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"bar.cpp", metadata !"/Users/mren/c_testing/type_unique_air/simple"}
 !2 = metadata !{}
 !3 = metadata !{metadata !4}
-!4 = metadata !{i32 786451, metadata !5, null, metadata !"Base", i32 1, i64 32, i64 32, i32 0, i32 0, null, metadata !6, i32 0, null, null, metadata !"_ZTS4Base"} ; [ DW_TAG_structure_type ] [Base] [line 1, size 32, align 32, offset 0] [def] [from ]
+!4 = metadata !{metadata !"0x13\00Base\001\0032\0032\000\000\000", metadata !5, null, null, metadata !6, null, null, metadata !"_ZTS4Base"} ; [ DW_TAG_structure_type ] [Base] [line 1, size 32, align 32, offset 0] [def] [from ]
 !5 = metadata !{metadata !"./a.hpp", metadata !"/Users/mren/c_testing/type_unique_air/simple"}
 !6 = metadata !{metadata !7}
-!7 = metadata !{i32 786445, metadata !5, metadata !"_ZTS4Base", metadata !"a", i32 2, i64 32, i64 32, i64 0, i32 0, metadata !8} ; [ DW_TAG_member ] [a] [line 2, size 32, align 32, offset 0] [from int]
-!8 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!7 = metadata !{metadata !"0xd\00a\002\0032\0032\000\000", metadata !5, metadata !"_ZTS4Base", metadata !8} ; [ DW_TAG_member ] [a] [line 2, size 32, align 32, offset 0] [from int]
+!8 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
 !9 = metadata !{metadata !10, metadata !14}
-!10 = metadata !{i32 786478, metadata !1, metadata !11, metadata !"g", metadata !"g", metadata !"_Z1gi", i32 4, metadata !12, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (i32)* @_Z1gi, null, null, metadata !2, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [g]
-!11 = metadata !{i32 786473, metadata !1}         ; [ DW_TAG_file_type ] [/Users/mren/c_testing/type_unique_air/simple/bar.cpp]
-!12 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !13, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!10 = metadata !{metadata !"0x2e\00g\00g\00_Z1gi\004\000\001\000\006\00256\000\004", metadata !1, metadata !11, metadata !12, null, void (i32)* @_Z1gi, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 4] [def] [g]
+!11 = metadata !{metadata !"0x29", metadata !1}         ; [ DW_TAG_file_type ] [/Users/mren/c_testing/type_unique_air/simple/bar.cpp]
+!12 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !13, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !13 = metadata !{null, metadata !8}
-!14 = metadata !{i32 786478, metadata !1, metadata !11, metadata !"main", metadata !"main", metadata !"", i32 7, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @main, null, null, metadata !2, i32 7} ; [ DW_TAG_subprogram ] [line 7] [def] [main]
-!15 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !16, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!14 = metadata !{metadata !"0x2e\00main\00main\00\007\000\001\000\006\00256\000\007", metadata !1, metadata !11, metadata !15, null, i32 ()* @main, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 7] [def] [main]
+!15 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !16, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !16 = metadata !{metadata !8}
 !17 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
-!18 = metadata !{i32 786689, metadata !10, metadata !"a", metadata !11, i32 16777220, metadata !8, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [a] [line 4]
+!18 = metadata !{metadata !"0x101\00a\0016777220\000", metadata !10, metadata !11, metadata !8} ; [ DW_TAG_arg_variable ] [a] [line 4]
 !19 = metadata !{i32 4, i32 0, metadata !10, null}
-!20 = metadata !{i32 786688, metadata !10, metadata !"t", metadata !11, i32 5, metadata !4, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [t] [line 5]
+!20 = metadata !{metadata !"0x100\00t\005\000", metadata !10, metadata !11, metadata !4} ; [ DW_TAG_auto_variable ] [t] [line 5]
 !21 = metadata !{i32 5, i32 0, metadata !10, null}
 !22 = metadata !{i32 6, i32 0, metadata !10, null}
-!23 = metadata !{i32 8, i32 0, metadata !14, null} ; [ DW_TAG_imported_declaration ]
+!23 = metadata !{i32 8, i32 0, metadata !14, null}
 !24 = metadata !{i32 9, i32 0, metadata !14, null}
 !25 = metadata !{i32 10, i32 0, metadata !14, null}
-!26 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!26 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
diff --git a/test/Linker/type-unique-simple2-a.ll b/test/Linker/type-unique-simple2-a.ll
index d0f1155..691c5c5 100644
--- a/test/Linker/type-unique-simple2-a.ll
+++ b/test/Linker/type-unique-simple2-a.ll
@@ -19,7 +19,7 @@
 ; }
 ;
 ; CHECK: _ZN1A6setFooEv
-; CHECK: DW_AT_accessibility [DW_FORM_data1]   (0x01)
+; CHECK: DW_AT_accessibility [DW_FORM_data1]   (DW_ACCESS_public)
 ; CHECK-NOT: DW_AT_accessibility
 ; CHECK: DW_TAG
 
@@ -48,7 +48,7 @@ define linkonce_odr void @_ZN1AC1Ev(%class.A* %this) unnamed_addr #2 align 2 {
 entry:
   %this.addr = alloca %class.A*, align 8
   store %class.A* %this, %class.A** %this.addr, align 8
-  call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !39), !dbg !41
+  call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !39, metadata !{metadata !"0x102"}), !dbg !41
   %this1 = load %class.A** %this.addr
   call void @_ZN1AC2Ev(%class.A* %this1) #1, !dbg !42
   ret void, !dbg !42
@@ -57,14 +57,14 @@ entry:
 declare i32 @_ZN1A6getFooEv(%class.A*)
 
 ; Function Attrs: nounwind readnone
-declare void @llvm.dbg.declare(metadata, metadata) #4
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #4
 
 ; Function Attrs: inlinehint nounwind
 define linkonce_odr void @_ZN1AC2Ev(%class.A* %this) unnamed_addr #2 align 2 {
 entry:
   %this.addr = alloca %class.A*, align 8
   store %class.A* %this, %class.A** %this.addr, align 8
-  call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !44), !dbg !45
+  call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !44, metadata !{metadata !"0x102"}), !dbg !45
   %this1 = load %class.A** %this.addr
   %0 = bitcast %class.A* %this1 to i8***, !dbg !46
   store i8** getelementptr inbounds ([4 x i8*]* @_ZTV1A, i64 0, i64 2), i8*** %0, !dbg !46
@@ -80,50 +80,50 @@ attributes #4 = { nounwind readnone }
 !llvm.module.flags = !{!35, !36}
 !llvm.ident = !{!37}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !26, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/<unknown>] [DW_LANG_C_plus_plus]
+!0 = metadata !{metadata !"0x11\004\00clang version 3.5 \000\00\000\00\000", metadata !1, metadata !2, metadata !3, metadata !26, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [/<unknown>] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"<unknown>", metadata !""}
 !2 = metadata !{}
 !3 = metadata !{metadata !4}
-!4 = metadata !{i32 786434, metadata !5, null, metadata !"A", i32 2, i64 64, i64 64, i32 0, i32 0, null, metadata !6, i32 0, metadata !"_ZTS1A", null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 2, size 64, align 64, offset 0] [def] [from ]
+!4 = metadata !{metadata !"0x2\00A\002\0064\0064\000\000\000", metadata !5, null, null, metadata !6, metadata !"_ZTS1A", null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 2, size 64, align 64, offset 0] [def] [from ]
 !5 = metadata !{metadata !"./ab.h", metadata !""}
 !6 = metadata !{metadata !7, metadata !14, metadata !19}
-!7 = metadata !{i32 786445, metadata !5, metadata !8, metadata !"_vptr$A", i32 0, i64 64, i64 0, i64 0, i32 64, metadata !9} ; [ DW_TAG_member ] [_vptr$A] [line 0, size 64, align 0, offset 0] [artificial] [from ]
-!8 = metadata !{i32 786473, metadata !5}          ; [ DW_TAG_file_type ] [/./ab.h]
-!9 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 0, offset 0] [from __vtbl_ptr_type]
-!10 = metadata !{i32 786447, null, null, metadata !"__vtbl_ptr_type", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ] [__vtbl_ptr_type] [line 0, size 64, align 0, offset 0] [from ]
-!11 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!7 = metadata !{metadata !"0xd\00_vptr$A\000\0064\000\000\0064", metadata !5, metadata !8, metadata !9} ; [ DW_TAG_member ] [_vptr$A] [line 0, size 64, align 0, offset 0] [artificial] [from ]
+!8 = metadata !{metadata !"0x29", metadata !5}          ; [ DW_TAG_file_type ] [/./ab.h]
+!9 = metadata !{metadata !"0xf\00\000\0064\000\000\000", null, null, metadata !10} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 0, offset 0] [from __vtbl_ptr_type]
+!10 = metadata !{metadata !"0xf\00__vtbl_ptr_type\000\0064\000\000\000", null, null, metadata !11} ; [ DW_TAG_pointer_type ] [__vtbl_ptr_type] [line 0, size 64, align 0, offset 0] [from ]
+!11 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !12, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !12 = metadata !{metadata !13}
-!13 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
-!14 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"setFoo", metadata !"setFoo", metadata !"_ZN1A6setFooEv", i32 4, metadata !15, i1 false, i1 false, i32 1, i32 0, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, metadata !18, i32 4} ; [ DW_TAG_subprogram ] [line 4] [setFoo]
-!15 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !16, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!13 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!14 = metadata !{metadata !"0x2e\00setFoo\00setFoo\00_ZN1A6setFooEv\004\000\000\001\006\00259\000\004", metadata !5, metadata !"_ZTS1A", metadata !15, metadata !"_ZTS1A", null, null, i32 0, metadata !18} ; [ DW_TAG_subprogram ] [line 4] [setFoo]
+!15 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !16, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !16 = metadata !{null, metadata !17}
-!17 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A]
+!17 = metadata !{metadata !"0xf\00\000\0064\0064\000\001088", null, null, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A]
 !18 = metadata !{i32 786468}
-!19 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 5, metadata !20, i1 false, i1 false, i32 1, i32 1, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, metadata !25, i32 5} ; [ DW_TAG_subprogram ] [line 5] [getFoo]
-!20 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !21, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!19 = metadata !{metadata !"0x2e\00getFoo\00getFoo\00_ZN1A6getFooEv\005\000\000\001\006\00259\000\005", metadata !5, metadata !"_ZTS1A", metadata !20, metadata !"_ZTS1A", null, null, i32 0, metadata !25} ; [ DW_TAG_subprogram ] [line 5] [getFoo]
+!20 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !21, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !21 = metadata !{metadata !22, metadata !17}
-!22 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !23} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from foo_t]
-!23 = metadata !{i32 786454, metadata !24, null, metadata !"foo_t", i32 1, i64 0, i64 0, i64 0, i32 0, metadata !13} ; [ DW_TAG_typedef ] [foo_t] [line 1, size 0, align 0, offset 0] [from int]
+!22 = metadata !{metadata !"0x26\00\000\000\000\000\000", null, null, metadata !23} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from foo_t]
+!23 = metadata !{metadata !"0x16\00foo_t\001\000\000\000\000", metadata !24, null, metadata !13} ; [ DW_TAG_typedef ] [foo_t] [line 1, size 0, align 0, offset 0] [from int]
 !24 = metadata !{metadata !"a.cpp", metadata !""}
 !25 = metadata !{i32 786468}
 !26 = metadata !{metadata !27, metadata !31, metadata !34}
-!27 = metadata !{i32 786478, metadata !24, metadata !28, metadata !"bar", metadata !"bar", metadata !"_Z3barv", i32 2, metadata !29, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @_Z3barv, null, null, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [bar]
-!28 = metadata !{i32 786473, metadata !24}        ; [ DW_TAG_file_type ] [/a.cpp]
-!29 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !30, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!27 = metadata !{metadata !"0x2e\00bar\00bar\00_Z3barv\002\000\001\000\006\00256\000\002", metadata !24, metadata !28, metadata !29, null, i32 ()* @_Z3barv, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 2] [def] [bar]
+!28 = metadata !{metadata !"0x29", metadata !24}        ; [ DW_TAG_file_type ] [/a.cpp]
+!29 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !30, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !30 = metadata !{metadata !23}
-!31 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"_ZN1AC1Ev", i32 2, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 320, i1 false, void (%class.A*)* @_ZN1AC1Ev, null, metadata !32, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [A]
-!32 = metadata !{i32 786478, null, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"", i32 0, metadata !15, i1 false, i1 false, i32 0, i32 0, null, i32 320, i1 false, null, null, i32 0, metadata !33, i32 0} ; [ DW_TAG_subprogram ] [line 0] [A]
+!31 = metadata !{metadata !"0x2e\00A\00A\00_ZN1AC1Ev\002\000\001\000\006\00320\000\002", metadata !5, metadata !"_ZTS1A", metadata !15, null, void (%class.A*)* @_ZN1AC1Ev, null, metadata !32, metadata !2} ; [ DW_TAG_subprogram ] [line 2] [def] [A]
+!32 = metadata !{metadata !"0x2e\00A\00A\00\000\000\000\000\006\00320\000\000", null, metadata !"_ZTS1A", metadata !15, null, null, null, i32 0, metadata !33} ; [ DW_TAG_subprogram ] [line 0] [A]
 !33 = metadata !{i32 786468}
-!34 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"_ZN1AC2Ev", i32 2, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 320, i1 false, void (%class.A*)* @_ZN1AC2Ev, null, metadata !32, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [A]
+!34 = metadata !{metadata !"0x2e\00A\00A\00_ZN1AC2Ev\002\000\001\000\006\00320\000\002", metadata !5, metadata !"_ZTS1A", metadata !15, null, void (%class.A*)* @_ZN1AC2Ev, null, metadata !32, metadata !2} ; [ DW_TAG_subprogram ] [line 2] [def] [A]
 !35 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
-!36 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!36 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
 !37 = metadata !{metadata !"clang version 3.5 "}
 !38 = metadata !{i32 3, i32 0, metadata !27, null}
-!39 = metadata !{i32 786689, metadata !31, metadata !"this", null, i32 16777216, metadata !40, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
-!40 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1A]
+!39 = metadata !{metadata !"0x101\00this\0016777216\001088", metadata !31, null, metadata !40} ; [ DW_TAG_arg_variable ] [this] [line 0]
+!40 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1A]
 !41 = metadata !{i32 0, i32 0, metadata !31, null}
 !42 = metadata !{i32 2, i32 0, metadata !43, null}
-!43 = metadata !{i32 786443, metadata !5, metadata !31} ; [ DW_TAG_lexical_block ] [/./ab.h]
-!44 = metadata !{i32 786689, metadata !34, metadata !"this", null, i32 16777216, metadata !40, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
+!43 = metadata !{metadata !"0xb\000", metadata !5, metadata !31} ; [ DW_TAG_lexical_block ] [/./ab.h]
+!44 = metadata !{metadata !"0x101\00this\0016777216\001088", metadata !34, null, metadata !40} ; [ DW_TAG_arg_variable ] [this] [line 0]
 !45 = metadata !{i32 0, i32 0, metadata !34, null}
 !46 = metadata !{i32 2, i32 0, metadata !34, null}
diff --git a/test/Linker/type-unique-simple2-b.ll b/test/Linker/type-unique-simple2-b.ll
index 9155f69..f851316 100644
--- a/test/Linker/type-unique-simple2-b.ll
+++ b/test/Linker/type-unique-simple2-b.ll
@@ -22,20 +22,20 @@ define void @_ZN1A6setFooEv(%class.A* %this) unnamed_addr #0 align 2 {
 entry:
   %this.addr = alloca %class.A*, align 8
   store %class.A* %this, %class.A** %this.addr, align 8
-  call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !32), !dbg !34
+  call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !32, metadata !{metadata !"0x102"}), !dbg !34
   %this1 = load %class.A** %this.addr
   ret void, !dbg !35
 }
 
 ; Function Attrs: nounwind readnone
-declare void @llvm.dbg.declare(metadata, metadata) #1
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
 
 ; Function Attrs: nounwind
 define i32 @_ZN1A6getFooEv(%class.A* %this) unnamed_addr #0 align 2 {
 entry:
   %this.addr = alloca %class.A*, align 8
   store %class.A* %this, %class.A** %this.addr, align 8
-  call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !36), !dbg !37
+  call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !36, metadata !{metadata !"0x102"}), !dbg !37
   %this1 = load %class.A** %this.addr
   ret i32 1, !dbg !38
 }
@@ -47,42 +47,42 @@ attributes #1 = { nounwind readnone }
 !llvm.module.flags = !{!29, !30}
 !llvm.ident = !{!31}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !25, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/<unknown>] [DW_LANG_C_plus_plus]
+!0 = metadata !{metadata !"0x11\004\00clang version 3.5 \000\00\000\00\000", metadata !1, metadata !2, metadata !3, metadata !25, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [/<unknown>] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"<unknown>", metadata !""}
 !2 = metadata !{}
 !3 = metadata !{metadata !4}
-!4 = metadata !{i32 786434, metadata !5, null, metadata !"A", i32 2, i64 64, i64 64, i32 0, i32 0, null, metadata !6, i32 0, metadata !"_ZTS1A", null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 2, size 64, align 64, offset 0] [def] [from ]
+!4 = metadata !{metadata !"0x2\00A\002\0064\0064\000\000\000", metadata !5, null, null, metadata !6, metadata !"_ZTS1A", null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 2, size 64, align 64, offset 0] [def] [from ]
 !5 = metadata !{metadata !"./ab.h", metadata !""}
 !6 = metadata !{metadata !7, metadata !14, metadata !19}
-!7 = metadata !{i32 786445, metadata !5, metadata !8, metadata !"_vptr$A", i32 0, i64 64, i64 0, i64 0, i32 64, metadata !9} ; [ DW_TAG_member ] [_vptr$A] [line 0, size 64, align 0, offset 0] [artificial] [from ]
-!8 = metadata !{i32 786473, metadata !5}          ; [ DW_TAG_file_type ] [/./ab.h]
-!9 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 0, offset 0] [from __vtbl_ptr_type]
-!10 = metadata !{i32 786447, null, null, metadata !"__vtbl_ptr_type", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ] [__vtbl_ptr_type] [line 0, size 64, align 0, offset 0] [from ]
-!11 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!7 = metadata !{metadata !"0xd\00_vptr$A\000\0064\000\000\0064", metadata !5, metadata !8, metadata !9} ; [ DW_TAG_member ] [_vptr$A] [line 0, size 64, align 0, offset 0] [artificial] [from ]
+!8 = metadata !{metadata !"0x29", metadata !5}          ; [ DW_TAG_file_type ] [/./ab.h]
+!9 = metadata !{metadata !"0xf\00\000\0064\000\000\000", null, null, metadata !10} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 0, offset 0] [from __vtbl_ptr_type]
+!10 = metadata !{metadata !"0xf\00__vtbl_ptr_type\000\0064\000\000\000", null, null, metadata !11} ; [ DW_TAG_pointer_type ] [__vtbl_ptr_type] [line 0, size 64, align 0, offset 0] [from ]
+!11 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !12, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !12 = metadata !{metadata !13}
-!13 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
-!14 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"setFoo", metadata !"setFoo", metadata !"_ZN1A6setFooEv", i32 4, metadata !15, i1 false, i1 false, i32 1, i32 0, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, metadata !18, i32 4} ; [ DW_TAG_subprogram ] [line 4] [setFoo]
-!15 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !16, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!13 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!14 = metadata !{metadata !"0x2e\00setFoo\00setFoo\00_ZN1A6setFooEv\004\000\000\001\006\00259\000\004", metadata !5, metadata !"_ZTS1A", metadata !15, metadata !"_ZTS1A", null, null, i32 0, metadata !18} ; [ DW_TAG_subprogram ] [line 4] [setFoo]
+!15 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !16, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !16 = metadata !{null, metadata !17}
-!17 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A]
+!17 = metadata !{metadata !"0xf\00\000\0064\0064\000\001088", null, null, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A]
 !18 = metadata !{i32 786468}
-!19 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 5, metadata !20, i1 false, i1 false, i32 1, i32 1, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, metadata !24, i32 5} ; [ DW_TAG_subprogram ] [line 5] [getFoo]
-!20 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !21, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!19 = metadata !{metadata !"0x2e\00getFoo\00getFoo\00_ZN1A6getFooEv\005\000\000\001\006\00259\000\005", metadata !5, metadata !"_ZTS1A", metadata !20, metadata !"_ZTS1A", null, null, i32 0, metadata !24} ; [ DW_TAG_subprogram ] [line 5] [getFoo]
+!20 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !21, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !21 = metadata !{metadata !22, metadata !17}
-!22 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !23} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from foo_t]
-!23 = metadata !{i32 786454, metadata !5, null, metadata !"foo_t", i32 1, i64 0, i64 0, i64 0, i32 0, metadata !13} ; [ DW_TAG_typedef ] [foo_t] [line 1, size 0, align 0, offset 0] [from int]
+!22 = metadata !{metadata !"0x26\00\000\000\000\000\000", null, null, metadata !23} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from foo_t]
+!23 = metadata !{metadata !"0x16\00foo_t\001\000\000\000\000", metadata !5, null, metadata !13} ; [ DW_TAG_typedef ] [foo_t] [line 1, size 0, align 0, offset 0] [from int]
 !24 = metadata !{i32 786468}
 !25 = metadata !{metadata !26, metadata !28}
-!26 = metadata !{i32 786478, metadata !27, metadata !"_ZTS1A", metadata !"setFoo", metadata !"setFoo", metadata !"_ZN1A6setFooEv", i32 2, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%class.A*)* @_ZN1A6setFooEv, null, metadata !14, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [setFoo]
+!26 = metadata !{metadata !"0x2e\00setFoo\00setFoo\00_ZN1A6setFooEv\002\000\001\000\006\00259\000\002", metadata !27, metadata !"_ZTS1A", metadata !15, null, void (%class.A*)* @_ZN1A6setFooEv, null, metadata !14, metadata !2} ; [ DW_TAG_subprogram ] [line 2] [def] [setFoo]
 !27 = metadata !{metadata !"b.cpp", metadata !""}
-!28 = metadata !{i32 786478, metadata !27, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 4, metadata !20, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (%class.A*)* @_ZN1A6getFooEv, null, metadata !19, metadata !2, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [getFoo]
+!28 = metadata !{metadata !"0x2e\00getFoo\00getFoo\00_ZN1A6getFooEv\004\000\001\000\006\00259\000\004", metadata !27, metadata !"_ZTS1A", metadata !20, null, i32 (%class.A*)* @_ZN1A6getFooEv, null, metadata !19, metadata !2} ; [ DW_TAG_subprogram ] [line 4] [def] [getFoo]
 !29 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
-!30 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!30 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
 !31 = metadata !{metadata !"clang version 3.5 "}
-!32 = metadata !{i32 786689, metadata !26, metadata !"this", null, i32 16777216, metadata !33, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
-!33 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1A]
+!32 = metadata !{metadata !"0x101\00this\0016777216\001088", metadata !26, null, metadata !33} ; [ DW_TAG_arg_variable ] [this] [line 0]
+!33 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1A]
 !34 = metadata !{i32 0, i32 0, metadata !26, null}
 !35 = metadata !{i32 2, i32 0, metadata !26, null}
-!36 = metadata !{i32 786689, metadata !28, metadata !"this", null, i32 16777216, metadata !33, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
+!36 = metadata !{metadata !"0x101\00this\0016777216\001088", metadata !28, null, metadata !33} ; [ DW_TAG_arg_variable ] [this] [line 0]
 !37 = metadata !{i32 0, i32 0, metadata !28, null}
 !38 = metadata !{i32 4, i32 0, metadata !28, null}
diff --git a/test/Linker/type-unique-type-array-a.ll b/test/Linker/type-unique-type-array-a.ll
new file mode 100644
index 0000000..1b908c6
--- /dev/null
+++ b/test/Linker/type-unique-type-array-a.ll
@@ -0,0 +1,129 @@
+; REQUIRES: object-emission
+;
+; RUN: llvm-link %s %p/type-unique-type-array-b.ll -S -o - | %llc_dwarf -filetype=obj -O0 | llvm-dwarfdump -debug-dump=info - | FileCheck %s
+;
+; rdar://problem/17628609
+;
+; cat -n a.cpp
+;     1	struct SA {
+;     2	  int a;
+;     3	};
+;     4	
+;     5	class A {
+;     6	public:
+;     7	  void testA(SA a) {
+;     8	  }
+;     9	};
+;    10	
+;    11	void topA(A *a, SA sa) {
+;    12	  a->testA(sa);
+;    13	}
+;
+; CHECK: DW_TAG_compile_unit
+; CHECK: DW_TAG_class_type
+; CHECK-NEXT:   DW_AT_name {{.*}} "A"
+; CHECK: DW_TAG_subprogram
+; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_ZN1A5testAE2SA"
+; CHECK: DW_TAG_formal_parameter
+; CHECK: DW_TAG_formal_parameter
+; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{.*}} => {0x[[STRUCT:.*]]})
+; CHECK: 0x[[STRUCT]]: DW_TAG_structure_type
+; CHECK-NEXT:   DW_AT_name {{.*}} "SA"
+
+; CHECK: DW_TAG_compile_unit
+; CHECK: DW_TAG_class_type
+; CHECK-NEXT:   DW_AT_name {{.*}} "B"
+; CHECK: DW_TAG_subprogram
+; CHECK:   DW_AT_MIPS_linkage_name {{.*}} "_ZN1B5testBE2SA"
+; CHECK: DW_TAG_formal_parameter
+; CHECK: DW_TAG_formal_parameter
+; CHECK-NEXT: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[STRUCT]]
+
+%class.A = type { i8 }
+%struct.SA = type { i32 }
+
+; Function Attrs: ssp uwtable
+define void @_Z4topAP1A2SA(%class.A* %a, i32 %sa.coerce) #0 {
+entry:
+  %sa = alloca %struct.SA, align 4
+  %a.addr = alloca %class.A*, align 8
+  %agg.tmp = alloca %struct.SA, align 4
+  %coerce.dive = getelementptr %struct.SA* %sa, i32 0, i32 0
+  store i32 %sa.coerce, i32* %coerce.dive
+  store %class.A* %a, %class.A** %a.addr, align 8
+  call void @llvm.dbg.declare(metadata !{%class.A** %a.addr}, metadata !24, metadata !{metadata !"0x102"}), !dbg !25
+  call void @llvm.dbg.declare(metadata !{%struct.SA* %sa}, metadata !26, metadata !{metadata !"0x102"}), !dbg !27
+  %0 = load %class.A** %a.addr, align 8, !dbg !28
+  %1 = bitcast %struct.SA* %agg.tmp to i8*, !dbg !28
+  %2 = bitcast %struct.SA* %sa to i8*, !dbg !28
+  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 4, i32 4, i1 false), !dbg !28
+  %coerce.dive1 = getelementptr %struct.SA* %agg.tmp, i32 0, i32 0, !dbg !28
+  %3 = load i32* %coerce.dive1, !dbg !28
+  call void @_ZN1A5testAE2SA(%class.A* %0, i32 %3), !dbg !28
+  ret void, !dbg !29
+}
+
+; Function Attrs: nounwind readnone
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
+
+; Function Attrs: nounwind ssp uwtable
+define linkonce_odr void @_ZN1A5testAE2SA(%class.A* %this, i32 %a.coerce) #2 align 2 {
+entry:
+  %a = alloca %struct.SA, align 4
+  %this.addr = alloca %class.A*, align 8
+  %coerce.dive = getelementptr %struct.SA* %a, i32 0, i32 0
+  store i32 %a.coerce, i32* %coerce.dive
+  store %class.A* %this, %class.A** %this.addr, align 8
+  call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !30, metadata !{metadata !"0x102"}), !dbg !31
+  call void @llvm.dbg.declare(metadata !{%struct.SA* %a}, metadata !32, metadata !{metadata !"0x102"}), !dbg !33
+  %this1 = load %class.A** %this.addr
+  ret void, !dbg !34
+}
+
+; Function Attrs: nounwind
+declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #3
+
+attributes #0 = { ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { nounwind readnone }
+attributes #2 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #3 = { nounwind }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!21, !22}
+!llvm.ident = !{!23}
+
+!0 = metadata !{metadata !"0x11\004\00clang version 3.5.0 (trunk 214102:214113M) (llvm/trunk 214102:214115M)\000\00\000\00\001", metadata !1, metadata !2, metadata !3, metadata !14, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [a.cpp] [DW_LANG_C_plus_plus]
+!1 = metadata !{metadata !"a.cpp", metadata !"/Users/manmanren/test-Nov/type_unique/rdar_di_array"}
+!2 = metadata !{}
+!3 = metadata !{metadata !4, metadata !10}
+!4 = metadata !{metadata !"0x2\00A\005\008\008\000\000\000", metadata !1, null, null, metadata !5, null, null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 5, size 8, align 8, offset 0] [def] [from ]
+!5 = metadata !{metadata !6}
+!6 = metadata !{metadata !"0x2e\00testA\00testA\00_ZN1A5testAE2SA\007\000\000\000\006\00256\000\007", metadata !1, metadata !"_ZTS1A", metadata !7, null, null, null, i32 0, null} ; [ DW_TAG_subprogram ] [line 7] [testA]
+!7 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!8 = metadata !{null, metadata !9, metadata !"_ZTS2SA"}
+!9 = metadata !{metadata !"0xf\00\000\0064\0064\000\001088", null, null, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A]
+!10 = metadata !{metadata !"0x13\00SA\001\0032\0032\000\000\000", metadata !1, null, null, metadata !11, null, null, metadata !"_ZTS2SA"} ; [ DW_TAG_structure_type ] [SA] [line 1, size 32, align 32, offset 0] [def] [from ]
+!11 = metadata !{metadata !12}
+!12 = metadata !{metadata !"0xd\00a\002\0032\0032\000\000", metadata !1, metadata !"_ZTS2SA", metadata !13} ; [ DW_TAG_member ] [a] [line 2, size 32, align 32, offset 0] [from int]
+!13 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!14 = metadata !{metadata !15, metadata !20}
+!15 = metadata !{metadata !"0x2e\00topA\00topA\00_Z4topAP1A2SA\0011\000\001\000\006\00256\000\0011", metadata !1, metadata !16, metadata !17, null, void (%class.A*, i32)* @_Z4topAP1A2SA, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 11] [def] [topA]
+!16 = metadata !{metadata !"0x29", metadata !1}         ; [ DW_TAG_file_type ] [a.cpp]
+!17 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !18, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!18 = metadata !{null, metadata !19, metadata !"_ZTS2SA"}
+!19 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1A]
+!20 = metadata !{metadata !"0x2e\00testA\00testA\00_ZN1A5testAE2SA\007\000\001\000\006\00256\000\007", metadata !1, metadata !"_ZTS1A", metadata !7, null, void (%class.A*, i32)* @_ZN1A5testAE2SA, null, metadata !6, metadata !2} ; [ DW_TAG_subprogram ] [line 7] [def] [testA]
+!21 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
+!22 = metadata !{i32 2, metadata !"Debug Info Version", i32 2}
+!23 = metadata !{metadata !"clang version 3.5.0 (trunk 214102:214113M) (llvm/trunk 214102:214115M)"}
+!24 = metadata !{metadata !"0x101\00a\0016777227\000", metadata !15, metadata !16, metadata !19} ; [ DW_TAG_arg_variable ] [a] [line 11]
+!25 = metadata !{i32 11, i32 14, metadata !15, null}
+!26 = metadata !{metadata !"0x101\00sa\0033554443\000", metadata !15, metadata !16, metadata !"_ZTS2SA"} ; [ DW_TAG_arg_variable ] [sa] [line 11]
+!27 = metadata !{i32 11, i32 20, metadata !15, null}
+!28 = metadata !{i32 12, i32 3, metadata !15, null}
+!29 = metadata !{i32 13, i32 1, metadata !15, null}
+!30 = metadata !{metadata !"0x101\00this\0016777216\001088", metadata !20, null, metadata !19} ; [ DW_TAG_arg_variable ] [this] [line 0]
+!31 = metadata !{i32 0, i32 0, metadata !20, null}
+!32 = metadata !{metadata !"0x101\00a\0033554439\000", metadata !20, metadata !16, metadata !"_ZTS2SA"} ; [ DW_TAG_arg_variable ] [a] [line 7]
+!33 = metadata !{i32 7, i32 17, metadata !20, null}
+!34 = metadata !{i32 8, i32 3, metadata !20, null}
diff --git a/test/Linker/type-unique-type-array-b.ll b/test/Linker/type-unique-type-array-b.ll
new file mode 100644
index 0000000..85ee5a5
--- /dev/null
+++ b/test/Linker/type-unique-type-array-b.ll
@@ -0,0 +1,108 @@
+; RUN: true
+; This file belongs to type-unique-type-array-a.ll.
+;
+; rdar://problem/17628609
+;
+; cat -n b.cpp
+;     1	struct SA {
+;     2	  int a;
+;     3	};
+;     4	
+;     5	class B {
+;     6	public:
+;     7	  void testB(SA sa) {
+;     8	  }
+;     9	};
+;    10	
+;    11	void topB(B* b, SA sa) {
+;    12	  b->testB(sa);
+;    13	}
+
+%class.B = type { i8 }
+%struct.SA = type { i32 }
+
+; Function Attrs: ssp uwtable
+define void @_Z4topBP1B2SA(%class.B* %b, i32 %sa.coerce) #0 {
+entry:
+  %sa = alloca %struct.SA, align 4
+  %b.addr = alloca %class.B*, align 8
+  %agg.tmp = alloca %struct.SA, align 4
+  %coerce.dive = getelementptr %struct.SA* %sa, i32 0, i32 0
+  store i32 %sa.coerce, i32* %coerce.dive
+  store %class.B* %b, %class.B** %b.addr, align 8
+  call void @llvm.dbg.declare(metadata !{%class.B** %b.addr}, metadata !24, metadata !{metadata !"0x102"}), !dbg !25
+  call void @llvm.dbg.declare(metadata !{%struct.SA* %sa}, metadata !26, metadata !{metadata !"0x102"}), !dbg !27
+  %0 = load %class.B** %b.addr, align 8, !dbg !28
+  %1 = bitcast %struct.SA* %agg.tmp to i8*, !dbg !28
+  %2 = bitcast %struct.SA* %sa to i8*, !dbg !28
+  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 4, i32 4, i1 false), !dbg !28
+  %coerce.dive1 = getelementptr %struct.SA* %agg.tmp, i32 0, i32 0, !dbg !28
+  %3 = load i32* %coerce.dive1, !dbg !28
+  call void @_ZN1B5testBE2SA(%class.B* %0, i32 %3), !dbg !28
+  ret void, !dbg !29
+}
+
+; Function Attrs: nounwind readnone
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
+
+; Function Attrs: nounwind ssp uwtable
+define linkonce_odr void @_ZN1B5testBE2SA(%class.B* %this, i32 %sa.coerce) #2 align 2 {
+entry:
+  %sa = alloca %struct.SA, align 4
+  %this.addr = alloca %class.B*, align 8
+  %coerce.dive = getelementptr %struct.SA* %sa, i32 0, i32 0
+  store i32 %sa.coerce, i32* %coerce.dive
+  store %class.B* %this, %class.B** %this.addr, align 8
+  call void @llvm.dbg.declare(metadata !{%class.B** %this.addr}, metadata !30, metadata !{metadata !"0x102"}), !dbg !31
+  call void @llvm.dbg.declare(metadata !{%struct.SA* %sa}, metadata !32, metadata !{metadata !"0x102"}), !dbg !33
+  %this1 = load %class.B** %this.addr
+  ret void, !dbg !34
+}
+
+; Function Attrs: nounwind
+declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #3
+
+attributes #0 = { ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { nounwind readnone }
+attributes #2 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #3 = { nounwind }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!21, !22}
+!llvm.ident = !{!23}
+
+!0 = metadata !{metadata !"0x11\004\00clang version 3.5.0 (trunk 214102:214113M) (llvm/trunk 214102:214115M)\000\00\000\00\001", metadata !1, metadata !2, metadata !3, metadata !14, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [b.cpp] [DW_LANG_C_plus_plus]
+!1 = metadata !{metadata !"b.cpp", metadata !"/Users/manmanren/test-Nov/type_unique/rdar_di_array"}
+!2 = metadata !{}
+!3 = metadata !{metadata !4, metadata !10}
+!4 = metadata !{metadata !"0x2\00B\005\008\008\000\000\000", metadata !1, null, null, metadata !5, null, null, metadata !"_ZTS1B"} ; [ DW_TAG_class_type ] [B] [line 5, size 8, align 8, offset 0] [def] [from ]
+!5 = metadata !{metadata !6}
+!6 = metadata !{metadata !"0x2e\00testB\00testB\00_ZN1B5testBE2SA\007\000\000\000\006\00256\000\007", metadata !1, metadata !"_ZTS1B", metadata !7, null, null, null, i32 0, null} ; [ DW_TAG_subprogram ] [line 7] [testB]
+!7 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!8 = metadata !{null, metadata !9, metadata !"_ZTS2SA"}
+!9 = metadata !{metadata !"0xf\00\000\0064\0064\000\001088", null, null, metadata !"_ZTS1B"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1B]
+!10 = metadata !{metadata !"0x13\00SA\001\0032\0032\000\000\000", metadata !1, null, null, metadata !11, null, null, metadata !"_ZTS2SA"} ; [ DW_TAG_structure_type ] [SA] [line 1, size 32, align 32, offset 0] [def] [from ]
+!11 = metadata !{metadata !12}
+!12 = metadata !{metadata !"0xd\00a\002\0032\0032\000\000", metadata !1, metadata !"_ZTS2SA", metadata !13} ; [ DW_TAG_member ] [a] [line 2, size 32, align 32, offset 0] [from int]
+!13 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!14 = metadata !{metadata !15, metadata !20}
+!15 = metadata !{metadata !"0x2e\00topB\00topB\00_Z4topBP1B2SA\0011\000\001\000\006\00256\000\0011", metadata !1, metadata !16, metadata !17, null, void (%class.B*, i32)* @_Z4topBP1B2SA, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 11] [def] [topB]
+!16 = metadata !{metadata !"0x29", metadata !1}         ; [ DW_TAG_file_type ] [b.cpp]
+!17 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !18, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!18 = metadata !{null, metadata !19, metadata !"_ZTS2SA"}
+!19 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !"_ZTS1B"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1B]
+!20 = metadata !{metadata !"0x2e\00testB\00testB\00_ZN1B5testBE2SA\007\000\001\000\006\00256\000\007", metadata !1, metadata !"_ZTS1B", metadata !7, null, void (%class.B*, i32)* @_ZN1B5testBE2SA, null, metadata !6, metadata !2} ; [ DW_TAG_subprogram ] [line 7] [def] [testB]
+!21 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
+!22 = metadata !{i32 2, metadata !"Debug Info Version", i32 2}
+!23 = metadata !{metadata !"clang version 3.5.0 (trunk 214102:214113M) (llvm/trunk 214102:214115M)"}
+!24 = metadata !{metadata !"0x101\00b\0016777227\000", metadata !15, metadata !16, metadata !19} ; [ DW_TAG_arg_variable ] [b] [line 11]
+!25 = metadata !{i32 11, i32 14, metadata !15, null}
+!26 = metadata !{metadata !"0x101\00sa\0033554443\000", metadata !15, metadata !16, metadata !"_ZTS2SA"} ; [ DW_TAG_arg_variable ] [sa] [line 11]
+!27 = metadata !{i32 11, i32 20, metadata !15, null}
+!28 = metadata !{i32 12, i32 3, metadata !15, null}
+!29 = metadata !{i32 13, i32 1, metadata !15, null}
+!30 = metadata !{metadata !"0x101\00this\0016777216\001088", metadata !20, null, metadata !19} ; [ DW_TAG_arg_variable ] [this] [line 0]
+!31 = metadata !{i32 0, i32 0, metadata !20, null}
+!32 = metadata !{metadata !"0x101\00sa\0033554439\000", metadata !20, metadata !16, metadata !"_ZTS2SA"} ; [ DW_TAG_arg_variable ] [sa] [line 7]
+!33 = metadata !{i32 7, i32 17, metadata !20, null}
+!34 = metadata !{i32 8, i32 3, metadata !20, null}
diff --git a/test/Linker/unique-fwd-decl-a.ll b/test/Linker/unique-fwd-decl-a.ll
new file mode 100644
index 0000000..b9c7b2f
--- /dev/null
+++ b/test/Linker/unique-fwd-decl-a.ll
@@ -0,0 +1,9 @@
+; RUN: llvm-link %s %S/Inputs/unique-fwd-decl-b.ll -S -o - | FileCheck %s
+
+; Test that the arguments of !a and !b get uniqued.
+; CHECK: !a = !{!0}
+; CHECK: !b = !{!0}
+
+!a = !{!0}
+!0 = metadata !{metadata !1}
+!1 = metadata !{}
diff --git a/test/Linker/unnamed-addr1-b.ll b/test/Linker/unnamed-addr1-b.ll
index 39a0c8b..d0f54f2 100644
--- a/test/Linker/unnamed-addr1-b.ll
+++ b/test/Linker/unnamed-addr1-b.ll
@@ -1,7 +1,7 @@
 ; This file is for use with unnamed-addr1-a.ll
 ; RUN: true
 
-@global-c = common unnamed_addr global i32 42
+@global-c = common unnamed_addr global i32 0
 @global-d = unnamed_addr global i32 42
 @global-e = unnamed_addr global i32 42
 @global-f = unnamed_addr global i32 42
@@ -13,7 +13,7 @@ define weak void @func-c() unnamed_addr { ret void }
 define weak void @func-d() unnamed_addr { ret void }
 define weak void @func-e() unnamed_addr { ret void }
 
-@global-g = common global i32 42
+@global-g = common global i32 0
 @global-h = global i32 42
 @global-i = global i32 42
 @global-j = global i32 42
diff --git a/test/Linker/visibility1.ll b/test/Linker/visibility.ll
index 131f6d5..6436197 100644
--- a/test/Linker/visibility1.ll
+++ b/test/Linker/visibility.ll
@@ -1,19 +1,24 @@
-; RUN: llvm-link %s %p/visibility2.ll -S | FileCheck %s
-; RUN: llvm-link %p/visibility2.ll %s -S | FileCheck %s
+; RUN: llvm-link %s %p/Inputs/visibility.ll -S | FileCheck %s
+; RUN: llvm-link %p/Inputs/visibility.ll %s -S | FileCheck %s
 
-; The values in this file are strong, the ones in visibility2.ll are weak,
+; The values in this file are strong, the ones in Inputs/visibility.ll are weak,
 ; but we should still get the visibility from them.
 
+
+$c1 = comdat any
+
 ; Variables
-; CHECK: @v1 = hidden global i32 0
+; CHECK-DAG: @v1 = hidden global i32 0
 @v1 = global i32 0
 
-; CHECK: @v2 = protected  global i32 0
+; CHECK-DAG: @v2 = protected  global i32 0
 @v2 = global i32 0
 
-; CHECK: @v3 = hidden global i32 0
+; CHECK-DAG: @v3 = hidden global i32 0
 @v3 = protected global i32 0
 
+; CHECK-DAG: @v4 = hidden global i32 1, comdat $c1
+@v4 = global i32 1, comdat $c1
 
 ; Aliases
 ; CHECK: @a1 = hidden alias i32* @v1