Update LLVM for 3.5 rebase (r209712).

Change-Id: I149556c940fb7dc92d075273c87ff584f400941f

4 files changed, 69 insertions, 160 deletions

diff --git a/test/DebugInfo/AArch64/cfi-frame.ll b/test/DebugInfo/AArch64/cfi-frame.ll
deleted file mode 100644
index 7290ddf..0000000
--- a/test/DebugInfo/AArch64/cfi-frame.ll
+++ /dev/null
@@ -1,58 +0,0 @@
-; RUN: llc -verify-machineinstrs -mtriple=aarch64-none-linux-gnu < %s | FileCheck %s
-; RUN: llc -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -disable-fp-elim < %s | FileCheck %s --check-prefix=CHECK-WITH-FP
-
-@bigspace = global [8 x i64] zeroinitializer
-
-declare void @use_addr(i8*)
-
-define void @test_frame([8 x i64] %val) {
-; CHECK: test_frame:
-; CHECK: .cfi_startproc
-
-  %var = alloca i8, i32 1000000
-; CHECK: sub sp, sp, #[[SP_INIT_ADJ:[0-9]+]]
-; CHECK-NEXT: .Ltmp
-; CHECK-NEXT: .cfi_def_cfa sp, [[SP_INIT_ADJ]]
-
-; Make sure the prologue is reasonably efficient
-; CHECK-NEXT: stp x29, x30, [sp,
-; CHECK-NEXT: stp x25, x26, [sp,
-; CHECK-NEXT: stp x23, x24, [sp,
-; CHECK-NEXT: stp x21, x22, [sp,
-; CHECK-NEXT: stp x19, x20, [sp,
-; CHECK-NEXT: sub sp, sp, #160
-; CHECK-NEXT: sub sp, sp, #244, lsl #12
-; CHECK-NEXT: .Ltmp
-; CHECK-NEXT: .cfi_def_cfa sp, 1000080
-; CHECK-NEXT: .Ltmp
-; CHECK-NEXT: .cfi_offset x30, -8
-; CHECK-NEXT: .Ltmp
-; CHECK-NEXT: .cfi_offset x29, -16
-; [...]
-; CHECK: .cfi_offset x19, -80
-
-; CHECK: bl use_addr
-  call void @use_addr(i8* %var)
-
-  store [8 x i64] %val, [8 x i64]* @bigspace
-  ret void
-; CHECK: ret
-; CHECK: .cfi_endproc
-}
-
-; CHECK-WITH-FP: test_frame:
-
-; CHECK-WITH-FP: sub sp, sp, #[[SP_INIT_ADJ:[0-9]+]]
-; CHECK-WITH-FP-NEXT: .Ltmp
-; CHECK-WITH-FP-NEXT: .cfi_def_cfa sp, [[SP_INIT_ADJ]]
-
-; CHECK-WITH-FP: stp x29, x30, [sp, [[OFFSET:#[0-9]+]]]
-; CHECK-WITH-FP-NEXT: add x29, sp, [[OFFSET]]
-; CHECK-WITH-FP-NEXT: .Ltmp
-; CHECK-WITH-FP-NEXT: .cfi_def_cfa x29, 16
-
-  ; We shouldn't emit any kind of update for the second stack adjustment if the
-  ; FP is in use.
-; CHECK-WITH-FP-NOT: .cfi_def_cfa_offset
-
-; CHECK-WITH-FP: bl use_addr
diff --git a/test/DebugInfo/AArch64/lit.local.cfg b/test/DebugInfo/AArch64/lit.local.cfg
index 9a66a00..a75a42b 100644
--- a/test/DebugInfo/AArch64/lit.local.cfg
+++ b/test/DebugInfo/AArch64/lit.local.cfg
@@ -1,4 +1,4 @@
 targets = set(config.root.targets_to_build.split())
-if not 'AArch64' in targets:
+if not 'ARM64' in targets:
     config.unsupported = True
 
diff --git a/test/DebugInfo/AArch64/struct_by_value.ll b/test/DebugInfo/AArch64/struct_by_value.ll
new file mode 100644
index 0000000..0023c3d
--- /dev/null
+++ b/test/DebugInfo/AArch64/struct_by_value.ll
@@ -0,0 +1,68 @@
+; A by-value struct is a register-indirect value (breg).
+; RUN: llc %s -filetype=asm -o - | FileCheck %s
+
+; CHECK: DW_OP_breg0
+
+; rdar://problem/13658587
+;
+; Generated from
+;
+; struct five
+; {
+;   int a;
+;   int b;
+;   int c;
+;   int d;
+;   int e;
+; };
+;
+; int
+; return_five_int (struct five f)
+; {
+;   return f.a;
+; }
+
+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-n32:64-S128"
+target triple = "arm64-apple-ios3.0.0"
+
+%struct.five = type { i32, i32, i32, i32, i32 }
+
+; Function Attrs: nounwind ssp
+define i32 @return_five_int(%struct.five* %f) #0 {
+entry:
+  call void @llvm.dbg.declare(metadata !{%struct.five* %f}, metadata !17), !dbg !18
+  %a = getelementptr inbounds %struct.five* %f, i32 0, i32 0, !dbg !19
+  %0 = load i32* %a, align 4, !dbg !19
+  ret i32 %0, !dbg !19
+}
+
+; Function Attrs: nounwind readnone
+declare void @llvm.dbg.declare(metadata, metadata) #1
+
+attributes #0 = { nounwind ssp }
+attributes #1 = { nounwind readnone }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!16, !20}
+
+!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"LLVM version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [struct_by_value.c] [DW_LANG_C99]
+!1 = metadata !{metadata !"struct_by_value.c", metadata !""}
+!2 = metadata !{}
+!3 = metadata !{metadata !4}
+!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"return_five_int", metadata !"return_five_int", metadata !"", i32 13, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (%struct.five*)* @return_five_int, null, null, metadata !2, i32 14} ; [ DW_TAG_subprogram ] [line 13] [def] [scope 14] [return_five_int]
+!5 = metadata !{i32 786473, metadata !1}          ; [ DW_TAG_file_type ] [struct_by_value.c]
+!6 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!7 = metadata !{metadata !8, metadata !9}
+!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 786451, metadata !1, null, metadata !"five", i32 1, i64 160, i64 32, i32 0, i32 0, null, metadata !10, i32 0, null, null, null} ; [ DW_TAG_structure_type ] [five] [line 1, size 160, align 32, offset 0] [def] [from ]
+!10 = metadata !{metadata !11, metadata !12, metadata !13, metadata !14, metadata !15}
+!11 = metadata !{i32 786445, metadata !1, metadata !9, metadata !"a", i32 3, i64 32, i64 32, i64 0, i32 0, metadata !8} ; [ DW_TAG_member ] [a] [line 3, size 32, align 32, offset 0] [from int]
+!12 = metadata !{i32 786445, metadata !1, metadata !9, metadata !"b", i32 4, i64 32, i64 32, i64 32, i32 0, metadata !8} ; [ DW_TAG_member ] [b] [line 4, size 32, align 32, offset 32] [from int]
+!13 = metadata !{i32 786445, metadata !1, metadata !9, metadata !"c", i32 5, i64 32, i64 32, i64 64, i32 0, metadata !8} ; [ DW_TAG_member ] [c] [line 5, size 32, align 32, offset 64] [from int]
+!14 = metadata !{i32 786445, metadata !1, metadata !9, metadata !"d", i32 6, i64 32, i64 32, i64 96, i32 0, metadata !8} ; [ DW_TAG_member ] [d] [line 6, size 32, align 32, offset 96] [from int]
+!15 = metadata !{i32 786445, metadata !1, metadata !9, metadata !"e", i32 7, i64 32, i64 32, i64 128, i32 0, metadata !8} ; [ DW_TAG_member ] [e] [line 7, size 32, align 32, offset 128] [from int]
+!16 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
+!17 = metadata !{i32 786689, metadata !4, metadata !"f", metadata !5, i32 16777229, metadata !9, i32 8192, i32 0} ; [ DW_TAG_arg_variable ] [f] [line 13]
+!18 = metadata !{i32 13, i32 0, metadata !4, null}
+!19 = metadata !{i32 16, i32 0, metadata !4, null}
+!20 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
diff --git a/test/DebugInfo/AArch64/variable-loc.ll b/test/DebugInfo/AArch64/variable-loc.ll
deleted file mode 100644
index f28ee76..0000000
--- a/test/DebugInfo/AArch64/variable-loc.ll
+++ /dev/null
@@ -1,101 +0,0 @@
-; RUN: llc -mtriple=aarch64-none-linux-gnu -disable-fp-elim < %s | FileCheck %s
-
-; This is a regression test making sure the location of variables is correct in
-; debugging information, even if they're addressed via the frame pointer.
-
-; In case it needs, regenerating, the following suffices:
-; int printf(const char *, ...);
-; void populate_array(int *, int);
-; int sum_array(int *, int);
-
-; int main() {
-;     int main_arr[100], val;
-;     populate_array(main_arr, 100);
-;     val = sum_array(main_arr, 100);
-;     printf("Total is %d\n", val);
-;     return 0;
-; }
-
-  ; First make sure main_arr is where we expect it: sp + 4 == x29 - 412:
-; CHECK: main:
-; CHECK: sub sp, sp, #432
-; CHECK: stp x29, x30, [sp, #416]
-; CHECK: add x29, sp, #416
-; CHECK: add {{x[0-9]+}}, sp, #4
-
-; CHECK: .Linfo_string7:
-; CHECK-NEXT: main_arr
-
-; Now check the debugging information reflects this:
-; CHECK: DW_TAG_variable
-; CHECK-NEXT: .word .Linfo_string7
-
-  ; Rather hard-coded, but 145 => DW_OP_fbreg and the .ascii is LEB128 encoded -412.
-; CHECK: DW_AT_location
-; CHECK-NEXT: .byte 145
-; CHECK-NEXT: .ascii "\344|"
-
-
-
-target datalayout = "e-p:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-i128:128:128-f32:32:32-f64:64:64-f128:128:128-n32:64-S128"
-target triple = "aarch64-none-linux-gnu"
-
-@.str = private unnamed_addr constant [13 x i8] c"Total is %d\0A\00", align 1
-
-declare void @populate_array(i32*, i32) nounwind
-
-declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
-
-declare i32 @sum_array(i32*, i32) nounwind
-
-define i32 @main() nounwind {
-entry:
-  %retval = alloca i32, align 4
-  %main_arr = alloca [100 x i32], align 4
-  %val = alloca i32, align 4
-  store i32 0, i32* %retval
-  call void @llvm.dbg.declare(metadata !{[100 x i32]* %main_arr}, metadata !17), !dbg !22
-  call void @llvm.dbg.declare(metadata !{i32* %val}, metadata !23), !dbg !24
-  %arraydecay = getelementptr inbounds [100 x i32]* %main_arr, i32 0, i32 0, !dbg !25
-  call void @populate_array(i32* %arraydecay, i32 100), !dbg !25
-  %arraydecay1 = getelementptr inbounds [100 x i32]* %main_arr, i32 0, i32 0, !dbg !26
-  %call = call i32 @sum_array(i32* %arraydecay1, i32 100), !dbg !26
-  store i32 %call, i32* %val, align 4, !dbg !26
-  %0 = load i32* %val, align 4, !dbg !27
-  %call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([13 x i8]* @.str, i32 0, i32 0), i32 %0), !dbg !27
-  ret i32 0, !dbg !28
-}
-
-declare i32 @printf(i8*, ...)
-
-!llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!30}
-
-!0 = metadata !{i32 786449, metadata !29, i32 12, metadata !"clang version 3.2 ", i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1,  metadata !1, metadata !""} ; [ DW_TAG_compile_unit ] [/home/timnor01/a64-trunk/build/simple.c] [DW_LANG_C99]
-!1 = metadata !{}
-!3 = metadata !{metadata !5, metadata !11, metadata !14}
-!5 = metadata !{i32 786478, metadata !29, metadata !6, metadata !"populate_array", metadata !"populate_array", metadata !"", i32 4, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (i32*, i32)* @populate_array, null, null, metadata !1, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [populate_array]
-!6 = metadata !{i32 786473, metadata !29} ; [ 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 ]
-!8 = metadata !{null, metadata !9, metadata !10}
-!9 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from int]
-!10 = 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]
-!11 = metadata !{i32 786478, metadata !29, metadata !6, metadata !"sum_array", metadata !"sum_array", metadata !"", i32 9, metadata !12, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32*, i32)* @sum_array, null, null, metadata !1, i32 9} ; [ DW_TAG_subprogram ] [line 9] [def] [sum_array]
-!12 = metadata !{i32 786453, i32 0, null, i32 0, 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 ]
-!13 = metadata !{metadata !10, metadata !9, metadata !10}
-!14 = metadata !{i32 786478, metadata !29, metadata !6, metadata !"main", metadata !"main", metadata !"", i32 18, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @main, null, null, metadata !1, i32 18} ; [ DW_TAG_subprogram ] [line 18] [def] [main]
-!15 = metadata !{i32 786453, i32 0, null, i32 0, 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 ]
-!16 = metadata !{metadata !10}
-!17 = metadata !{i32 786688, metadata !18, metadata !"main_arr", metadata !6, i32 19, metadata !19, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [main_arr] [line 19]
-!18 = metadata !{i32 786443, metadata !29, metadata !14, i32 18, i32 16, i32 4} ; [ DW_TAG_lexical_block ] [/home/timnor01/a64-trunk/build/simple.c]
-!19 = metadata !{i32 786433, null, null, metadata !"", i32 0, i64 3200, i64 32, i32 0, i32 0, metadata !10, metadata !20, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 3200, align 32, offset 0] [from int]
-!20 = metadata !{i32 786465, i64 0, i64 99}       ; [ DW_TAG_subrange_type ] [0, 99]
-!22 = metadata !{i32 19, i32 7, metadata !18, null}
-!23 = metadata !{i32 786688, metadata !18, metadata !"val", metadata !6, i32 20, metadata !10, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [val] [line 20]
-!24 = metadata !{i32 20, i32 7, metadata !18, null}
-!25 = metadata !{i32 22, i32 3, metadata !18, null}
-!26 = metadata !{i32 23, i32 9, metadata !18, null}
-!27 = metadata !{i32 24, i32 3, metadata !18, null}
-!28 = metadata !{i32 26, i32 3, metadata !18, null}
-!29 = metadata !{metadata !"simple.c", metadata !"/home/timnor01/a64-trunk/build"}
-!30 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}