40 lines
1.6 KiB
LLVM
40 lines
1.6 KiB
LLVM
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; RUN: llc -filetype=obj -use-unknown-locations=Enable -mtriple=x86_64-unknown-linux %s -o %t
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; RUN: llvm-dwarfdump -debug-line %t | FileCheck %s
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define void @_Z3bazv() !dbg !6 {
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call void @_Z3foov(), !dbg !9
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call void @_Z3foov() ; no !dbg, so will be marked as line 0
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ret void, !dbg !11
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}
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declare void @_Z3foov()
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4}
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!llvm.ident = !{!5}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.9.0 (trunk 267219)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "test.cc", directory: ".")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{!"clang version 3.9.0 (trunk 267219)"}
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!6 = distinct !DISubprogram(name: "baz", linkageName: "_Z3bazv", scope: !1, file: !1, line: 3, type: !7, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
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!7 = !DISubroutineType(types: !8)
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!8 = !{null}
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!9 = !DILocation(line: 4, column: 3, scope: !10)
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!10 = !DILexicalBlockFile(scope: !6, file: !1, discriminator: 1)
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!11 = !DILocation(line: 6, column: 1, scope: !6)
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; Look at the lengths. We can't verify the line-number-program size
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; directly, but the difference in the two lengths should not change
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; unexpectedly.
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; CHECK: total_length: 0x00000044
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; CHECK: prologue_length: 0x0000001f
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;
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; Verify that we see a line entry with a discriminator, and the next entry
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; has line 0 and no discriminator.
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; line column file ISA discriminator
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; CHECK: 4 3 1 0 1
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; CHECK-NEXT: 0 3 1 0 0
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