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