1; RUN: llc -mtriple=x86_64-apple-darwin -filetype=obj < %s \
2; RUN:     | llvm-dwarfdump -debug-dump=info - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V4
3; RUN: llc -mtriple=x86_64-apple-darwin -filetype=obj -dwarf-version=3 < %s \
4; RUN:     | llvm-dwarfdump -debug-dump=info - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V3
5
6
7; Check that we use DW_AT_low_pc and that it has the right encoding depending
8; on dwarf version.
9
10; CHECK: DW_TAG_compile_unit [1]
11; CHECK-NOT: DW_TAG
12; CHECK: DW_AT_low_pc [DW_FORM_addr]       (0x0000000000000000)
13; CHECK-NOT: DW_TAG
14; CHECK-V3: DW_AT_high_pc [DW_FORM_addr]
15; CHECK-V4: DW_AT_high_pc [DW_FORM_data4]
16; CHECK: DW_TAG_subprogram [2]
17; CHECK-NOT: DW_TAG
18; CHECK: DW_AT_low_pc [DW_FORM_addr]
19; CHECK-NOT: DW_TAG
20; CHECK-V3: DW_AT_high_pc [DW_FORM_addr]
21; CHECK-V4: DW_AT_high_pc [DW_FORM_data4]
22
23; Function Attrs: nounwind uwtable
24define void @z() #0 !dbg !4 {
25entry:
26  ret void, !dbg !11
27}
28
29attributes #0 = { nounwind 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" }
30
31!llvm.dbg.cu = !{!0}
32!llvm.module.flags = !{!8, !9}
33!llvm.ident = !{!10}
34
35!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
36!1 = !DIFile(filename: "z.c", directory: "/usr/local/google/home/echristo")
37!2 = !{}
38!4 = distinct !DISubprogram(name: "z", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !2)
39!5 = !DIFile(filename: "z.c", directory: "/usr/local/google/home/echristo")
40!6 = !DISubroutineType(types: !7)
41!7 = !{null}
42!8 = !{i32 2, !"Dwarf Version", i32 4}
43!9 = !{i32 1, !"Debug Info Version", i32 3}
44!10 = !{!"clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)"}
45!11 = !DILocation(line: 1, scope: !4)
46