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46 lines
2.1 KiB
LLVM
46 lines
2.1 KiB
LLVM
; RUN: llc -mtriple=x86_64-apple-darwin -filetype=obj < %s \
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; RUN: | llvm-dwarfdump -v -debug-info - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V4
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; RUN: llc -mtriple=x86_64-apple-darwin -filetype=obj -dwarf-version=3 < %s \
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; RUN: | llvm-dwarfdump -v -debug-info - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V3
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; Check that we use DW_AT_low_pc and that it has the right encoding depending
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; on dwarf version.
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; CHECK: DW_TAG_compile_unit [1]
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000)
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; CHECK-NOT: DW_TAG
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; CHECK-V3: DW_AT_high_pc [DW_FORM_addr]
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; CHECK-V4: DW_AT_high_pc [DW_FORM_data4]
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; CHECK: DW_TAG_subprogram [2]
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_low_pc [DW_FORM_addr]
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; CHECK-NOT: DW_TAG
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; CHECK-V3: DW_AT_high_pc [DW_FORM_addr]
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; CHECK-V4: DW_AT_high_pc [DW_FORM_data4]
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; Function Attrs: nounwind uwtable
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define void @z() #0 !dbg !4 {
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entry:
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ret void, !dbg !11
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}
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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" }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!8, !9}
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!llvm.ident = !{!10}
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!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)
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!1 = !DIFile(filename: "z.c", directory: "/usr/local/google/home/echristo")
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!2 = !{}
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!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)
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!5 = !DIFile(filename: "z.c", directory: "/usr/local/google/home/echristo")
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!6 = !DISubroutineType(types: !7)
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!7 = !{null}
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!8 = !{i32 2, !"Dwarf Version", i32 4}
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!9 = !{i32 1, !"Debug Info Version", i32 3}
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!10 = !{!"clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)"}
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!11 = !DILocation(line: 1, scope: !4)
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