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1; RUN: llc -filetype=asm < %s2;3; We check that we don't crash when printing assembly comments that include4; a DW_OP_bit_piece5;6; Regenerate from7; void fn1() {8; struct {9; int dword[2];10; } u;11; u.dword[1] = 0;12; };13; via clang++ -g -fno-integrated-as -Os14 15target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"16target triple = "x86_64-unknown-linux-gnu"17 18 19%struct.anon = type { [2 x i32] }20 21; Function Attrs: norecurse nounwind optsize readnone uwtable22define void @_Z3fn1v() #0 !dbg !4 {23entry:24 tail call void @llvm.dbg.declare(metadata ptr undef, metadata !8, metadata !19), !dbg !2025 tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !8, metadata !21), !dbg !2026 ret void, !dbg !2227}28 29; Function Attrs: nounwind readnone30declare void @llvm.dbg.declare(metadata, metadata, metadata) #131 32; Function Attrs: nounwind readnone33declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #134 35attributes #0 = { norecurse nounwind optsize readnone uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "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" "use-soft-float"="false" }36attributes #1 = { nounwind readnone }37 38!llvm.dbg.cu = !{!0}39!llvm.module.flags = !{!16, !17}40!llvm.ident = !{!18}41 42!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)43!1 = !DIFile(filename: "test.cpp", directory: "/mnt/extra")44!2 = !{}45!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)46!5 = !DISubroutineType(types: !6)47!6 = !{null}48!7 = !{!8}49!8 = !DILocalVariable(name: "u", scope: !4, file: !1, line: 4, type: !9)50!9 = !DICompositeType(tag: DW_TAG_structure_type, scope: !4, file: !1, line: 2, size: 64, align: 32, elements: !10)51!10 = !{!11}52!11 = !DIDerivedType(tag: DW_TAG_member, name: "dword", scope: !9, file: !1, line: 3, baseType: !12, size: 64, align: 32)53!12 = !DICompositeType(tag: DW_TAG_array_type, baseType: !13, size: 64, align: 32, elements: !14)54!13 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)55!14 = !{!15}56!15 = !DISubrange(count: 2)57!16 = !{i32 2, !"Dwarf Version", i32 4}58!17 = !{i32 2, !"Debug Info Version", i32 3}59!18 = !{!"clang version 3.8.0 (trunk 256088) (llvm/trunk 256097)"}60!19 = !DIExpression()61!20 = !DILocation(line: 4, column: 5, scope: !4)62!21 = !DIExpression(DW_OP_LLVM_fragment, 32, 32)63!22 = !DILocation(line: 6, column: 1, scope: !4)64