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 24 define void @z() #0 !dbg !4 { 25 entry: 26 ret void, !dbg !11 27 } 28 29 attributes #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
