64 lines
2.8 KiB
LLVM
64 lines
2.8 KiB
LLVM
; RUN: llc -filetype=asm < %s
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;
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; We check that we don't crash when printing assembly comments that include
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; a DW_OP_bit_piece
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;
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; Regenerate from
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; void fn1() {
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; struct {
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; int dword[2];
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; } u;
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; u.dword[1] = 0;
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; };
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; via clang++ -g -fno-integrated-as -Os
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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%struct.anon = type { [2 x i32] }
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; Function Attrs: norecurse nounwind optsize readnone uwtable
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define void @_Z3fn1v() #0 !dbg !4 {
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entry:
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tail call void @llvm.dbg.declare(metadata %struct.anon* undef, metadata !8, metadata !19), !dbg !20
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tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !8, metadata !21), !dbg !20
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ret void, !dbg !22
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
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attributes #0 = { norecurse nounwind optsize readnone uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!16, !17}
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!llvm.ident = !{!18}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.8.0 (trunk 256088) (llvm/trunk 256097)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "test.cpp", directory: "/mnt/extra")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "fn1", linkageName: "_Z3fn1v", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !7)
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!5 = !DISubroutineType(types: !6)
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!6 = !{null}
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!7 = !{!8}
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!8 = !DILocalVariable(name: "u", scope: !4, file: !1, line: 4, type: !9)
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!9 = !DICompositeType(tag: DW_TAG_structure_type, scope: !4, file: !1, line: 2, size: 64, align: 32, elements: !10)
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!10 = !{!11}
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!11 = !DIDerivedType(tag: DW_TAG_member, name: "dword", scope: !9, file: !1, line: 3, baseType: !12, size: 64, align: 32)
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!12 = !DICompositeType(tag: DW_TAG_array_type, baseType: !13, size: 64, align: 32, elements: !14)
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!13 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!14 = !{!15}
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!15 = !DISubrange(count: 2)
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!16 = !{i32 2, !"Dwarf Version", i32 4}
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!17 = !{i32 2, !"Debug Info Version", i32 3}
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!18 = !{!"clang version 3.8.0 (trunk 256088) (llvm/trunk 256097)"}
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!19 = !DIExpression()
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!20 = !DILocation(line: 4, column: 5, scope: !4)
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!21 = !DIExpression(DW_OP_LLVM_fragment, 32, 32)
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!22 = !DILocation(line: 6, column: 1, scope: !4)
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