16 files changed, 417 insertions, 8 deletions
diff --git a/test/Linker/2003-01-30-LinkerTypeRename.ll b/test/Linker/2003-01-30-LinkerTypeRename.ll
index 6cd2406..043457d 100644
--- a/test/Linker/2003-01-30-LinkerTypeRename.ll
+++ b/test/Linker/2003-01-30-LinkerTypeRename.ll
@@ -1,9 +1,9 @@
-; This fails because the linker renames the non-opaque type not the opaque 
+; This fails because the linker renames the non-opaque type not the opaque
 ; one...
 
-; RUN: echo {%Ty = type opaque @GV = external global %Ty*} | llvm-as > %t.1.bc
+; RUN: echo {%%Ty = type opaque @GV = external global %%Ty*} | llvm-as > %t.1.bc
 ; RUN: llvm-as < %s > %t.2.bc
-; RUN: llvm-link %t.1.bc %t.2.bc -S | grep {%Ty } | not grep opaque
+; RUN: llvm-link %t.1.bc %t.2.bc -S | grep {%%Ty } | not grep opaque
 
 %Ty = type {i32}
 
diff --git a/test/Linker/2003-04-26-NullPtrLinkProblem.ll b/test/Linker/2003-04-26-NullPtrLinkProblem.ll
index 54ba051..d23df1b 100644
--- a/test/Linker/2003-04-26-NullPtrLinkProblem.ll
+++ b/test/Linker/2003-04-26-NullPtrLinkProblem.ll
@@ -1,7 +1,7 @@
 ; This one fails because the LLVM runtime is allowing two null pointers of
 ; the same type to be created!
 
-; RUN: echo {%T = type i32} | llvm-as > %t.2.bc
+; RUN: echo {%%T = type i32} | llvm-as > %t.2.bc
 ; RUN: llvm-as %s -o %t.1.bc
 ; RUN: llvm-link %t.1.bc %t.2.bc
 
diff --git a/test/Linker/2003-06-02-TypeResolveProblem.ll b/test/Linker/2003-06-02-TypeResolveProblem.ll
index 86979f6..0b0e9c1 100644
--- a/test/Linker/2003-06-02-TypeResolveProblem.ll
+++ b/test/Linker/2003-06-02-TypeResolveProblem.ll
@@ -1,4 +1,4 @@
-; RUN: echo {%T = type opaque} | llvm-as > %t.2.bc
+; RUN: echo {%%T = type opaque} | llvm-as > %t.2.bc
 ; RUN: llvm-as < %s > %t.1.bc
 ; RUN: llvm-link %t.1.bc %t.2.bc
 
diff --git a/test/Linker/2003-06-02-TypeResolveProblem2.ll b/test/Linker/2003-06-02-TypeResolveProblem2.ll
index 42cc040..3f9fd04 100644
--- a/test/Linker/2003-06-02-TypeResolveProblem2.ll
+++ b/test/Linker/2003-06-02-TypeResolveProblem2.ll
@@ -1,4 +1,4 @@
-; RUN: echo {%T = type i32} | llvm-as > %t.1.bc
+; RUN: echo {%%T = type i32} | llvm-as > %t.1.bc
 ; RUN: llvm-as < %s > %t.2.bc
 ; RUN: llvm-link %t.1.bc %t.2.bc
 
diff --git a/test/Linker/2003-08-23-GlobalVarLinking.ll b/test/Linker/2003-08-23-GlobalVarLinking.ll
index 8acbbd2..255cb88 100644
--- a/test/Linker/2003-08-23-GlobalVarLinking.ll
+++ b/test/Linker/2003-08-23-GlobalVarLinking.ll
@@ -1,5 +1,5 @@
 ; RUN: llvm-as < %s > %t.out1.bc
-; RUN: echo {%T1 = type opaque %T2 = type opaque @S = external global \{ i32, %T1* \} declare void @F(%T2*)}\
+; RUN: echo {%%T1 = type opaque %%T2 = type opaque @S = external global \{ i32, %%T1* \} declare void @F(%%T2*)}\
 ; RUN:   | llvm-as > %t.out2.bc
 ; RUN: llvm-link %t.out1.bc %t.out2.bc -S | not grep opaque
 
diff --git a/test/Linker/2003-11-18-TypeResolution.ll b/test/Linker/2003-11-18-TypeResolution.ll
index d3152ed..e7b15fa 100644
--- a/test/Linker/2003-11-18-TypeResolution.ll
+++ b/test/Linker/2003-11-18-TypeResolution.ll
@@ -5,7 +5,7 @@
 ; own.
 
 ; RUN: llvm-as < %s > %t.out2.bc
-; RUN: echo "%T1 = type opaque  @GVar = external global %T1*" | llvm-as > %t.out1.bc
+; RUN: echo "%%T1 = type opaque  @GVar = external global %%T1*" | llvm-as > %t.out1.bc
 ; RUN: llvm-link %t.out1.bc %t.out2.bc
 
 %T1 = type opaque
diff --git a/test/Linker/2011-08-04-DebugLoc.ll b/test/Linker/2011-08-04-DebugLoc.ll
new file mode 100644
index 0000000..699f0b5
--- /dev/null
+++ b/test/Linker/2011-08-04-DebugLoc.ll
@@ -0,0 +1,26 @@
+; RUN: llvm-link %s %p/2011-08-04-DebugLoc2.ll -o %t.bc
+; RUN: llvm-dis < %t.bc | FileCheck %s
+; Test if DebugLoc is mapped properly or not.
+
+
+;CHECK-NOT: metadata !{i32 589870, i32 0, metadata !{{[0-9]+}}, metadata !"bar", metadata !"bar", metadata !"", metadata !{{[0-9]+}}, i32 1, metadata !{{[0-9]+}}, i1 false, i1 true, i32 0, i32 0, i32 0, i32 0, i1 false, null, null, null}
+
+
+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"
+
+define i32 @foo() nounwind ssp {
+  ret i32 42, !dbg !6
+}
+
+!llvm.dbg.cu = !{!0}
+!llvm.dbg.sp = !{!1}
+
+!0 = metadata !{i32 589841, i32 0, i32 12, metadata !"a.c", metadata !"/private/tmp", metadata !"Apple clang version 3.0 (tags/Apple/clang-209.11) (based on LLVM 3.0svn)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
+!1 = metadata !{i32 589870, i32 0, metadata !2, metadata !"foo", metadata !"foo", metadata !"", metadata !2, i32 2, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 0, i1 false, i32 ()* @foo, null, null} ; [ DW_TAG_subprogram ]
+!2 = metadata !{i32 589865, metadata !"a.c", metadata !"/private/tmp", metadata !0} ; [ DW_TAG_file_type ]
+!3 = metadata !{i32 589845, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !4, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
+!4 = metadata !{metadata !5}
+!5 = metadata !{i32 589860, metadata !0, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
+!6 = metadata !{i32 2, i32 13, metadata !7, null}
+!7 = metadata !{i32 589835, metadata !1, i32 2, i32 11, metadata !2, i32 0} ; [ DW_TAG_lexical_block ]
diff --git a/test/Linker/2011-08-04-DebugLoc2.ll b/test/Linker/2011-08-04-DebugLoc2.ll
new file mode 100644
index 0000000..f30e180
--- /dev/null
+++ b/test/Linker/2011-08-04-DebugLoc2.ll
@@ -0,0 +1,23 @@
+; This file is used by 2011-08-04-DebugLoc.ll, so it doesn't actually do anything itself
+;
+; RUN: true
+
+
+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"
+
+define i32 @bar() nounwind ssp {
+  ret i32 21, !dbg !6
+}
+
+!llvm.dbg.cu = !{!0}
+!llvm.dbg.sp = !{!1}
+
+!0 = metadata !{i32 589841, i32 0, i32 12, metadata !"b.c", metadata !"/private/tmp", metadata !"Apple clang version 3.0 (tags/Apple/clang-209.11) (based on LLVM 3.0svn)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
+!1 = metadata !{i32 589870, i32 0, metadata !2, metadata !"bar", metadata !"bar", metadata !"", metadata !2, i32 1, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 0, i1 false, i32 ()* @bar, null, null} ; [ DW_TAG_subprogram ]
+!2 = metadata !{i32 589865, metadata !"b.c", metadata !"/private/tmp", metadata !0} ; [ DW_TAG_file_type ]
+!3 = metadata !{i32 589845, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !4, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
+!4 = metadata !{metadata !5}
+!5 = metadata !{i32 589860, metadata !0, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
+!6 = metadata !{i32 1, i32 13, metadata !7, null}
+!7 = metadata !{i32 589835, metadata !1, i32 1, i32 11, metadata !2, i32 0} ; [ DW_TAG_lexical_block ]
diff --git a/test/Linker/2011-08-04-Metadata.ll b/test/Linker/2011-08-04-Metadata.ll
new file mode 100644
index 0000000..952eccc
--- /dev/null
+++ b/test/Linker/2011-08-04-Metadata.ll
@@ -0,0 +1,29 @@
+; RUN: llvm-link %s %p/2011-08-04-Metadata2.ll -o %t.bc
+; 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}
+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"
+
+@x = internal global i32 0, align 4
+
+define void @foo() nounwind uwtable ssp {
+entry:
+  store i32 1, i32* @x, align 4, !dbg !7
+  ret void, !dbg !7
+}
+
+!llvm.dbg.cu = !{!0}
+!llvm.dbg.sp = !{!1}
+!llvm.dbg.gv = !{!5}
+
+!0 = metadata !{i32 589841, i32 0, i32 12, metadata !"/tmp/one.c", metadata !"/Volumes/Lalgate/Slate/D", metadata !"clang version 3.0 ()", i1 true, i1 false, metadata !"", i32 0}
+!1 = metadata !{i32 589870, i32 0, metadata !2, metadata !"foo", metadata !"foo", metadata !"", metadata !2, i32 3, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 0, i1 false, void ()* @foo, null, null}
+!2 = metadata !{i32 589865, metadata !"/tmp/one.c", metadata !"/Volumes/Lalgate/Slate/D", metadata !0}
+!3 = metadata !{i32 589845, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !4, i32 0, i32 0}
+!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, metadata !0, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5}
+!7 = metadata !{i32 3, i32 14, metadata !8, null}
+!8 = metadata !{i32 589835, metadata !1, i32 3, i32 12, metadata !2, i32 0}
diff --git a/test/Linker/2011-08-04-Metadata2.ll b/test/Linker/2011-08-04-Metadata2.ll
new file mode 100644
index 0000000..fa5e7c9
--- /dev/null
+++ b/test/Linker/2011-08-04-Metadata2.ll
@@ -0,0 +1,29 @@
+; This file is used by 2011-08-04-Metadata.ll, so it doesn't actually do anything itself
+;
+; RUN: true
+
+
+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"
+
+@x = internal global i32 0, align 4
+
+define void @bar() nounwind uwtable ssp {
+entry:
+  store i32 1, i32* @x, align 4, !dbg !7
+  ret void, !dbg !7
+}
+
+!llvm.dbg.cu = !{!0}
+!llvm.dbg.sp = !{!1}
+!llvm.dbg.gv = !{!5}
+
+!0 = metadata !{i32 589841, i32 0, i32 12, metadata !"/tmp/two.c", metadata !"/Volumes/Lalgate/Slate/D", metadata !"clang version 3.0 ()", i1 true, i1 false, metadata !"", i32 0}
+!1 = metadata !{i32 589870, i32 0, metadata !2, metadata !"bar", metadata !"bar", metadata !"", metadata !2, i32 2, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 0, i1 false, void ()* @bar, null, null}
+!2 = metadata !{i32 589865, metadata !"/tmp/two.c", metadata !"/Volumes/Lalgate/Slate/D", metadata !0}
+!3 = metadata !{i32 589845, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !4, i32 0, i32 0}
+!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, metadata !0, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5}
+!7 = metadata !{i32 2, i32 14, metadata !8, null}
+!8 = metadata !{i32 589835, metadata !1, i32 2, i32 12, metadata !2, i32 0}
diff --git a/test/Linker/2011-08-18-unique-class-type.ll b/test/Linker/2011-08-18-unique-class-type.ll
new file mode 100644
index 0000000..cae1245
--- /dev/null
+++ b/test/Linker/2011-08-18-unique-class-type.ll
@@ -0,0 +1,35 @@
+; RUN: llvm-link %s %p/2011-08-18-unique-class-type2.ll -S -o - | grep DW_TAG_class_type | count 1
+; Test to check there is only one MDNode for class A after linking.
+
+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"
+
+%"class.N1::A" = type { i8 }
+
+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
+  ret void, !dbg !14
+}
+
+declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
+
+!llvm.dbg.cu = !{!0}
+
+!0 = metadata !{i32 720913, i32 0, i32 4, metadata !"n1.c", metadata !"/private/tmp", metadata !"clang version 3.0 (trunk 137954)", i1 true, i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1} ; [ DW_TAG_compile_unit ]
+!1 = metadata !{metadata !2}
+!2 = metadata !{i32 0}
+!3 = metadata !{metadata !4}
+!4 = metadata !{metadata !5}
+!5 = metadata !{i32 720942, i32 0, metadata !6, metadata !"foo", metadata !"foo", metadata !"_Z3fooN2N11AE", metadata !6, i32 4, metadata !7, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 false, void ()* @_Z3fooN2N11AE, null, null} ; [ DW_TAG_subprogram ]
+!6 = metadata !{i32 720937, metadata !"n1.c", metadata !"/private/tmp", null} ; [ DW_TAG_file_type ]
+!7 = metadata !{i32 720917, metadata !6, metadata !"", metadata !6, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
+!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 !11, metadata !"A", metadata !12, i32 3, i64 8, i64 8, i32 0, i32 0, null, metadata !2, i32 0, null, null} ; [ DW_TAG_class_type ]
+!11 = metadata !{i32 720953, null, metadata !"N1", metadata !12, i32 2} ; [ DW_TAG_namespace ]
+!12 = metadata !{i32 720937, metadata !"./n.h", metadata !"/private/tmp", null} ; [ 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 !5, i32 4, i32 17, metadata !6, i32 0} ; [ DW_TAG_lexical_block ]
diff --git a/test/Linker/2011-08-18-unique-class-type2.ll b/test/Linker/2011-08-18-unique-class-type2.ll
new file mode 100644
index 0000000..95892a4
--- /dev/null
+++ b/test/Linker/2011-08-18-unique-class-type2.ll
@@ -0,0 +1,35 @@
+; This file is for use with 2011-08-10-unique-class-type.ll
+; RUN: true
+
+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"
+
+%"class.N1::A" = type { i8 }
+
+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
+  ret void, !dbg !14
+}
+
+declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
+
+!llvm.dbg.cu = !{!0}
+
+!0 = metadata !{i32 720913, i32 0, i32 4, metadata !"n2.c", metadata !"/private/tmp", metadata !"clang version 3.0 (trunk 137954)", i1 true, i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1} ; [ DW_TAG_compile_unit ]
+!1 = metadata !{metadata !2}
+!2 = metadata !{i32 0}
+!3 = metadata !{metadata !4}
+!4 = metadata !{metadata !5}
+!5 = metadata !{i32 720942, i32 0, metadata !6, metadata !"bar", metadata !"bar", metadata !"_Z3barN2N11AE", metadata !6, i32 4, metadata !7, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 false, void ()* @_Z3barN2N11AE, null, null} ; [ DW_TAG_subprogram ]
+!6 = metadata !{i32 720937, metadata !"n2.c", metadata !"/private/tmp", null} ; [ DW_TAG_file_type ]
+!7 = metadata !{i32 720917, metadata !6, metadata !"", metadata !6, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
+!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 !11, metadata !"A", metadata !12, i32 3, i64 8, i64 8, i32 0, i32 0, null, metadata !2, i32 0, null, null} ; [ DW_TAG_class_type ]
+!11 = metadata !{i32 720953, null, metadata !"N1", metadata !12, i32 2} ; [ DW_TAG_namespace ]
+!12 = metadata !{i32 720937, metadata !"./n.h", metadata !"/private/tmp", null} ; [ 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 !5, i32 4, i32 19, metadata !6, i32 0} ; [ DW_TAG_lexical_block ]
diff --git a/test/Linker/2011-08-18-unique-debug-type.ll b/test/Linker/2011-08-18-unique-debug-type.ll
new file mode 100644
index 0000000..696fdb3
--- /dev/null
+++ b/test/Linker/2011-08-18-unique-debug-type.ll
@@ -0,0 +1,26 @@
+
+; RUN: llvm-link %s %p/2011-08-18-unique-debug-type2.ll -S -o - | grep "int" | grep -v "^; ModuleID" | count 1
+; Test to check only one MDNode for "int" after linking.
+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"
+
+define i32 @foo() nounwind uwtable ssp {
+entry:
+  ret i32 1, !dbg !10
+}
+
+!llvm.dbg.cu = !{!0}
+
+!0 = metadata !{i32 720913, i32 0, i32 12, metadata !"one.c", metadata !"/private/tmp", metadata !"clang version 3.0 (trunk 137954)", i1 true, i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1} ; [ DW_TAG_compile_unit ]
+!1 = metadata !{metadata !2}
+!2 = metadata !{i32 0}
+!3 = metadata !{metadata !4}
+!4 = metadata !{metadata !5}
+!5 = metadata !{i32 720942, i32 0, metadata !6, metadata !"foo", metadata !"foo", metadata !"", metadata !6, i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, i32 0, i32 0, i1 false, i32 ()* @foo, null, null} ; [ DW_TAG_subprogram ]
+!6 = metadata !{i32 720937, metadata !"one.c", metadata !"/private/tmp", null} ; [ DW_TAG_file_type ]
+!7 = metadata !{i32 720917, metadata !6, metadata !"", metadata !6, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
+!8 = metadata !{metadata !9}
+!9 = metadata !{i32 720932, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
+!10 = metadata !{i32 1, i32 13, metadata !11, null}
+!11 = metadata !{i32 720907, metadata !5, i32 1, i32 11, metadata !6, i32 0} ; [ DW_TAG_lexical_block ]
+
diff --git a/test/Linker/2011-08-18-unique-debug-type2.ll b/test/Linker/2011-08-18-unique-debug-type2.ll
new file mode 100644
index 0000000..986da5b
--- /dev/null
+++ b/test/Linker/2011-08-18-unique-debug-type2.ll
@@ -0,0 +1,25 @@
+; This file is for use with 2011-08-10-unique-debug-type.ll
+; RUN: true
+
+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"
+
+define i32 @bar() nounwind uwtable ssp {
+entry:
+  ret i32 2, !dbg !10
+}
+
+!llvm.dbg.cu = !{!0}
+
+!0 = metadata !{i32 720913, i32 0, i32 12, metadata !"two.c", metadata !"/private/tmp", metadata !"clang version 3.0 (trunk 137954)", i1 true, i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1} ; [ DW_TAG_compile_unit ]
+!1 = metadata !{metadata !2}
+!2 = metadata !{i32 0}
+!3 = metadata !{metadata !4}
+!4 = metadata !{metadata !5}
+!5 = metadata !{i32 720942, i32 0, metadata !6, metadata !"bar", metadata !"bar", metadata !"", metadata !6, i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, i32 0, i32 0, i1 false, i32 ()* @bar, null, null} ; [ DW_TAG_subprogram ]
+!6 = metadata !{i32 720937, metadata !"two.c", metadata !"/private/tmp", null} ; [ DW_TAG_file_type ]
+!7 = metadata !{i32 720917, metadata !6, metadata !"", metadata !6, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
+!8 = metadata !{metadata !9}
+!9 = metadata !{i32 720932, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
+!10 = metadata !{i32 1, i32 13, metadata !11, null}
+!11 = metadata !{i32 720907, metadata !5, i32 1, i32 11, metadata !6, i32 0} ; [ DW_TAG_lexical_block ]
diff --git a/test/Linker/2011-08-22-ResolveAlias.ll b/test/Linker/2011-08-22-ResolveAlias.ll
new file mode 100644
index 0000000..6b99233
--- /dev/null
+++ b/test/Linker/2011-08-22-ResolveAlias.ll
@@ -0,0 +1,89 @@
+; PR10663
+; RUN: llvm-link %s %p/2011-08-22-ResolveAlias2.ll
+
+%union.pthread_attr_t = type { [56 x i8] }
+%union.pthread_mutex_t = type { [40 x i8] }
+%struct.timespec = type { i64, i64 }
+%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
+
+declare extern_weak i32 @pthread_once(i32*, void ()*)
+
+declare extern_weak i8* @pthread_getspecific(i32)
+
+declare extern_weak i32 @pthread_setspecific(i32, i8*)
+
+declare extern_weak i32 @pthread_create(i64*, %union.pthread_attr_t*, i8* (i8*)*, i8*)
+
+declare extern_weak i32 @pthread_join(i64, i8**)
+
+declare extern_weak i32 @pthread_equal(i64, i64)
+
+declare extern_weak i64 @pthread_self()
+
+declare extern_weak i32 @pthread_detach(i64)
+
+declare extern_weak i32 @pthread_cancel(i64)
+
+declare extern_weak i32 @sched_yield()
+
+declare extern_weak i32 @pthread_mutex_lock(%union.pthread_mutex_t*)
+
+declare extern_weak i32 @pthread_mutex_trylock(%union.pthread_mutex_t*)
+
+declare extern_weak i32 @pthread_mutex_timedlock(%union.pthread_mutex_t*, %struct.timespec*)
+
+declare extern_weak i32 @pthread_mutex_unlock(%union.pthread_mutex_t*)
+
+declare extern_weak i32 @pthread_mutex_init(%union.pthread_mutex_t*, %union.pthread_mutexattr_t*)
+
+declare extern_weak i32 @pthread_mutex_destroy(%union.pthread_mutex_t*)
+
+declare extern_weak i32 @pthread_cond_broadcast(%union.pthread_cond_t*)
+
+declare extern_weak i32 @pthread_cond_signal(%union.pthread_cond_t*)
+
+declare extern_weak i32 @pthread_cond_wait(%union.pthread_cond_t*, %union.pthread_mutex_t*)
+
+declare extern_weak i32 @pthread_cond_timedwait(%union.pthread_cond_t*, %union.pthread_mutex_t*, %struct.timespec*)
+
+declare extern_weak i32 @pthread_cond_destroy(%union.pthread_cond_t*)
+
+declare extern_weak i32 @pthread_key_create(i32*, void (i8*)*)
+
+declare extern_weak i32 @pthread_key_delete(i32)
+
+declare extern_weak i32 @pthread_mutexattr_init(%union.pthread_mutexattr_t*)
+
+declare extern_weak i32 @pthread_mutexattr_settype(%union.pthread_mutexattr_t*, i32)
+
+declare extern_weak i32 @pthread_mutexattr_destroy(%union.pthread_mutexattr_t*)
+
+declare void @_GLOBAL__sub_I__ZN10BitBoard64coEv() nounwind uwtable
diff --git a/test/Linker/2011-08-22-ResolveAlias2.ll b/test/Linker/2011-08-22-ResolveAlias2.ll
new file mode 100644
index 0000000..2549040
--- /dev/null
+++ b/test/Linker/2011-08-22-ResolveAlias2.ll
@@ -0,0 +1,92 @@
+; This file is used by 2011-08-22-ResolveAlias.ll
+; RUN: true
+
+%struct.HexxagonBoard = type { %struct.BitBoard64, %struct.BitBoard64 }
+%struct.BitBoard64 = type { i32, i32 }
+%union.pthread_attr_t = type { [56 x i8] }
+%union.pthread_mutex_t = type { [40 x i8] }
+%struct.timespec = type { i64, i64 }
+%union.pthread_mutexattr_t = type { [4 x i8] }
+%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
+
+declare void @_ZN13HexxagonBoardC2ERKS_(%struct.HexxagonBoard*, %struct.HexxagonBoard*) uwtable align 2
+
+declare extern_weak i32 @pthread_once(i32*, void ()*)
+
+declare extern_weak i8* @pthread_getspecific(i32)
+
+declare extern_weak i32 @pthread_setspecific(i32, i8*)
+
+declare extern_weak i32 @pthread_create(i64*, %union.pthread_attr_t*, i8* (i8*)*, i8*)
+
+declare extern_weak i32 @pthread_join(i64, i8**)
+
+declare extern_weak i32 @pthread_equal(i64, i64)
+
+declare extern_weak i64 @pthread_self()
+
+declare extern_weak i32 @pthread_detach(i64)
+
+declare extern_weak i32 @pthread_cancel(i64)
+
+declare extern_weak i32 @sched_yield()
+
+declare extern_weak i32 @pthread_mutex_lock(%union.pthread_mutex_t*)
+
+declare extern_weak i32 @pthread_mutex_trylock(%union.pthread_mutex_t*)
+
+declare extern_weak i32 @pthread_mutex_timedlock(%union.pthread_mutex_t*, %struct.timespec*)
+
+declare extern_weak i32 @pthread_mutex_unlock(%union.pthread_mutex_t*)
+
+declare extern_weak i32 @pthread_mutex_init(%union.pthread_mutex_t*, %union.pthread_mutexattr_t*)
+
+declare extern_weak i32 @pthread_mutex_destroy(%union.pthread_mutex_t*)
+
+declare extern_weak i32 @pthread_cond_broadcast(%union.pthread_cond_t*)
+
+declare extern_weak i32 @pthread_cond_signal(%union.pthread_cond_t*)
+
+declare extern_weak i32 @pthread_cond_wait(%union.pthread_cond_t*, %union.pthread_mutex_t*)
+
+declare extern_weak i32 @pthread_cond_timedwait(%union.pthread_cond_t*, %union.pthread_mutex_t*, %struct.timespec*)
+
+declare extern_weak i32 @pthread_cond_destroy(%union.pthread_cond_t*)
+
+declare extern_weak i32 @pthread_key_create(i32*, void (i8*)*)
+
+declare extern_weak i32 @pthread_key_delete(i32)
+
+declare extern_weak i32 @pthread_mutexattr_init(%union.pthread_mutexattr_t*)
+
+declare extern_weak i32 @pthread_mutexattr_settype(%union.pthread_mutexattr_t*, i32)
+
+declare extern_weak i32 @pthread_mutexattr_destroy(%union.pthread_mutexattr_t*)