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46 lines
1.9 KiB
46 lines
1.9 KiB
; RUN: llc < %s | FileCheck %s
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; This is mainly a crasher for the revert in r234717. A debug info intrinsic
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; that gets deleted can't have its bit piece expression verified after it's
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; deleted.
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.8.0"
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; CHECK: __Z3foov:
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; CHECK: retq
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define void @_Z3foov() !dbg !12 {
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entry:
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br i1 undef, label %exit, label %bb
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bb: ; preds = %entry
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call void @llvm.dbg.value(metadata i8* undef, metadata !15, metadata !16), !dbg !17
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br label %exit
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exit: ; preds = %bb, %entry
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ret void
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}
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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!llvm.module.flags = !{!0, !1}
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!llvm.dbg.cu = !{!2}
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!0 = !{i32 2, !"Dwarf Version", i32 2}
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!1 = !{i32 2, !"Debug Info Version", i32 3}
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!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !5, globals: !4, imports: !4)
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!3 = !DIFile(filename: "foo.cpp", directory: "/path/to/dir")
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!4 = !{}
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!5 = !{!6}
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!6 = !DICompositeType(tag: DW_TAG_structure_type, name: "Class", size: 64, align: 64, elements: !7, identifier: "_ZT5Class")
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!7 = !{!8, !10}
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!8 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !6, baseType: !9, size: 32, align: 32)
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!9 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!10 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !6, baseType: !9, size: 32, align: 32)
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!12 = distinct !DISubprogram(name: "foo", scope: null, file: !3, type: !13, isLocal: false, isDefinition: true, isOptimized: false, unit: !2)
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!13 = !DISubroutineType(types: !14)
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!14 = !{null}
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!15 = !DILocalVariable(name: "v", scope: !12, type: !6)
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!16 = !DIExpression(DW_OP_LLVM_fragment, 32, 32)
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!17 = !DILocation(line: 2755, column: 9, scope: !12)
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