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45 lines
1.9 KiB
LLVM
45 lines
1.9 KiB
LLVM
; RUN: llc -mtriple=x86_64-apple-darwin -O0 -filetype=obj -o - < %s | llvm-dwarfdump -v -debug-info - | FileCheck %s
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; PR33157. Don't crash on duplicate dbg.declare.
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; CHECK: DW_TAG_formal_parameter
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; CHECK: DW_AT_location [DW_FORM_exprloc]
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; CHECK-NOT: DW_AT_location
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@g = external global i32
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@h = external global i32
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declare void @llvm.dbg.declare(metadata, metadata, metadata)
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define void @f(i32* byval %p, i1 %c) !dbg !5 {
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br i1 %c, label %x, label %y
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x:
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call void @llvm.dbg.declare(metadata i32* %p, metadata !10, metadata !DIExpression()), !dbg !12
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store i32 42, i32* @g, !dbg !12
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br label %done
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y:
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call void @llvm.dbg.declare(metadata i32* %p, metadata !10, metadata !DIExpression()), !dbg !12
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store i32 42, i32* @h, !dbg !12
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br label %done
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done:
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ret void
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!22, !23}
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!0 = distinct !DICompileUnit(language: DW_LANG_ObjC, file: !1, producer: "clang version 5.0.0 ", isOptimized: true, runtimeVersion: 2, emissionKind: FullDebug)
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!1 = !DIFile(filename: "<stdin>", directory: "C:\5Csrc\5Cllvm-project\5Cbuild")
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!5 = distinct !DISubprogram(name: "f", isLocal: true, isDefinition: true, scopeLine: 37, flags: DIFlagPrototyped, isOptimized: true, unit: !0, type: !99, scope: !1)
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!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!10 = !DILocalVariable(name: "aRect", arg: 1, scope: !11, file: !1, line: 38, type: !6)
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!11 = distinct !DILexicalBlock(scope: !98, file: !1, line: 38)
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!12 = !DILocation(line: 43, scope: !11, inlinedAt: !13)
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!13 = distinct !DILocation(line: 43, scope: !5)
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!22 = !{i32 2, !"Dwarf Version", i32 4}
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!23 = !{i32 2, !"Debug Info Version", i32 3}
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!62 = !{!10}
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!98 = distinct !DISubprogram(name: "NSMaxX", scope: !1, file: !1, line: 27, isLocal: true, isDefinition: true, scopeLine: 27, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !62, type: !99)
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!99 = !DISubroutineType(types: !100)
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!100 = !{null}
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