| ; RUN: llc -mtriple=x86_64-apple-darwin -filetype=obj < %s \ |
| ; RUN: | llvm-dwarfdump -v -debug-info - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V4 |
| ; RUN: llc -mtriple=x86_64-apple-darwin -filetype=obj -dwarf-version=3 < %s \ |
| ; RUN: | llvm-dwarfdump -v -debug-info - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V3 |
| |
| |
| ; Check that we use DW_AT_low_pc and that it has the right encoding depending |
| ; on dwarf version. |
| |
| ; CHECK: DW_TAG_compile_unit [1] |
| ; CHECK-NOT: DW_TAG |
| ; CHECK: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000) |
| ; CHECK-NOT: DW_TAG |
| ; CHECK-V3: DW_AT_high_pc [DW_FORM_addr] |
| ; CHECK-V4: DW_AT_high_pc [DW_FORM_data4] |
| ; CHECK: DW_TAG_subprogram [2] |
| ; CHECK-NOT: DW_TAG |
| ; CHECK: DW_AT_low_pc [DW_FORM_addr] |
| ; CHECK-NOT: DW_TAG |
| ; CHECK-V3: DW_AT_high_pc [DW_FORM_addr] |
| ; CHECK-V4: DW_AT_high_pc [DW_FORM_data4] |
| |
| ; Function Attrs: nounwind uwtable |
| define void @z() #0 !dbg !4 { |
| entry: |
| ret void, !dbg !11 |
| } |
| |
| attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!8, !9} |
| !llvm.ident = !{!10} |
| |
| !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) |
| !1 = !DIFile(filename: "z.c", directory: "/usr/local/google/home/echristo") |
| !2 = !{} |
| !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, retainedNodes: !2) |
| !5 = !DIFile(filename: "z.c", directory: "/usr/local/google/home/echristo") |
| !6 = !DISubroutineType(types: !7) |
| !7 = !{null} |
| !8 = !{i32 2, !"Dwarf Version", i32 4} |
| !9 = !{i32 1, !"Debug Info Version", i32 3} |
| !10 = !{!"clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)"} |
| !11 = !DILocation(line: 1, scope: !4) |