1; RUN: %llc_dwarf -stop-after=livedebugvalues -o - %s \
2; RUN:   | FileCheck %s --check-prefix=SANITY
3; RUN: %llc_dwarf -march=x86-64 -o - %s -filetype=obj \
4; RUN:   | llvm-dwarfdump -debug-dump=all - | FileCheck %s
5;
6; CHECK: .debug_info contents:
7; CHECK: DW_TAG_variable
8; CHECK-NEXT:   DW_AT_location [DW_FORM_data4]
9; CHECK-NEXT:   DW_AT_name{{.*}}"a"
10; CHECK: .debug_loc contents:
11;                               rax, piece 0x00000004
12; CHECK:  Location description: 50 93 04
13; SANITY: DBG_VALUE
14; SANITY-NOT: DBG_VALUE
15; ModuleID = 'test.ll'
16; Compiled with -O:
17;   void h(int);
18;   int g();
19;   void f() {
20;     h(0);
21;     int a = g();
22;     h(a);
23;   }
24target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
25target triple = "x86_64-apple-macosx"
26
27; Function Attrs: nounwind ssp uwtable
28define void @f() #0 !dbg !4 {
29entry:
30  tail call void @h(i32 0) #2, !dbg !14
31  %call = tail call i32 (...) @g() #2, !dbg !15
32  tail call void @llvm.dbg.value(metadata i32 %call, i64 0, metadata !8, metadata !16), !dbg !17
33  tail call void @h(i32 %call) #2, !dbg !18
34  ret void, !dbg !19
35}
36
37declare void @h(i32)
38
39declare i32 @g(...)
40
41; Function Attrs: nounwind readnone
42declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
43
44attributes #0 = { nounwind ssp uwtable "no-frame-pointer-elim"="true" }
45attributes #1 = { nounwind readnone }
46attributes #2 = { nounwind }
47
48!llvm.dbg.cu = !{!0}
49!llvm.module.flags = !{!10, !11, !12}
50!llvm.ident = !{!13}
51
52!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
53!1 = !DIFile(filename: "test.c", directory: "/Volumes/Data/llvm")
54!2 = !{}
55!4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true, scopeLine: 3, isOptimized: true, unit: !0, variables: !7)
56!5 = !DISubroutineType(types: !6)
57!6 = !{null}
58!7 = !{!8}
59!8 = !DILocalVariable(name: "a", scope: !4, file: !1, line: 5, type: !9)
60!9 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
61!10 = !{i32 2, !"Dwarf Version", i32 2}
62!11 = !{i32 2, !"Debug Info Version", i32 3}
63!12 = !{i32 1, !"PIC Level", i32 2}
64!13 = !{!"clang version 3.9.0 "}
65!14 = !DILocation(line: 4, column: 3, scope: !4)
66!15 = !DILocation(line: 5, column: 11, scope: !4)
67!16 = !DIExpression()
68!17 = !DILocation(line: 5, column: 7, scope: !4)
69!18 = !DILocation(line: 6, column: 3, scope: !4)
70!19 = !DILocation(line: 7, column: 1, scope: !4)
71