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3ee3e60f77
Several places in AsmPrinter.cpp print comments describing MachineOperand registers using MCRegisterInfo, which uses MCOperand-oriented names. This doesn't work for targets that use virtual registers exclusively, as WebAssembly does, since virtual registers are represented and printed differently. This patch preserves what seems to be the spirit of r229978, avoiding the use of TM.getSubtargetImpl(), while still using MachineOperand-oriented printing for MachineOperands. Differential Revision: http://reviews.llvm.org/D14709 llvm-svn: 253338
61 lines
4.1 KiB
LLVM
61 lines
4.1 KiB
LLVM
; RUN: llc -O2 < %s | FileCheck %s
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; RUN: llc -O2 -regalloc=basic < %s | FileCheck %s
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; Test to check that unused argument 'this' is not undefined in debug info.
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target triple = "x86_64-apple-darwin10.2"
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%struct.foo = type { i32 }
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@llvm.used = appending global [1 x i8*] [i8* bitcast (i32 (%struct.foo*, i32)* @_ZN3foo3bazEi to i8*)], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0]
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define i32 @_ZN3foo3bazEi(%struct.foo* nocapture %this, i32 %x) nounwind readnone optsize noinline ssp align 2 !dbg !8 {
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;CHECK: DEBUG_VALUE: baz:this <- %RDI{{$}}
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entry:
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tail call void @llvm.dbg.value(metadata %struct.foo* %this, i64 0, metadata !15, metadata !DIExpression()), !dbg !DILocation(scope: !8)
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tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !16, metadata !DIExpression()), !dbg !DILocation(scope: !8)
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%0 = mul nsw i32 %x, 7, !dbg !29 ; <i32> [#uses=1]
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%1 = add nsw i32 %0, 1, !dbg !29 ; <i32> [#uses=1]
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ret i32 %1, !dbg !29
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}
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!4}
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!llvm.module.flags = !{!34}
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!llvm.dbg.lv = !{!0, !14, !15, !16, !17, !24, !25, !28}
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!0 = !DILocalVariable(name: "this", line: 11, arg: 1, scope: !1, file: !3, type: !12)
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!1 = distinct !DISubprogram(name: "bar", linkageName: "_ZN3foo3barEi", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, scopeLine: 11, file: !31, scope: !2, type: !9)
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!2 = !DICompositeType(tag: DW_TAG_structure_type, name: "foo", line: 3, size: 32, align: 32, file: !31, scope: !3, elements: !5)
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!3 = !DIFile(filename: "foo.cp", directory: "/tmp/")
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!4 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "4.2.1 LLVM build", isOptimized: true, emissionKind: 0, file: !31, enums: !32, retainedTypes: !32, subprograms: !33)
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!5 = !{!6, !1, !8}
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!6 = !DIDerivedType(tag: DW_TAG_member, name: "y", line: 8, size: 32, align: 32, file: !31, scope: !2, baseType: !7)
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!7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!8 = distinct !DISubprogram(name: "baz", linkageName: "_ZN3foo3bazEi", line: 15, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, scopeLine: 15, file: !31, scope: !2, type: !9)
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!9 = !DISubroutineType(types: !10)
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!10 = !{!7, !11, !7}
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!11 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, file: !31, scope: !3, baseType: !2)
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!12 = !DIDerivedType(tag: DW_TAG_const_type, size: 64, align: 64, flags: DIFlagArtificial, file: !31, scope: !3, baseType: !13)
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!13 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !31, scope: !3, baseType: !2)
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!14 = !DILocalVariable(name: "x", line: 11, arg: 2, scope: !1, file: !3, type: !7)
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!15 = !DILocalVariable(name: "this", line: 15, arg: 1, scope: !8, file: !3, type: !12)
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!16 = !DILocalVariable(name: "x", line: 15, arg: 2, scope: !8, file: !3, type: !7)
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!17 = !DILocalVariable(name: "argc", line: 19, arg: 1, scope: !18, file: !3, type: !7)
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!18 = distinct !DISubprogram(name: "main", linkageName: "main", line: 19, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, scopeLine: 19, file: !31, scope: !3, type: !19)
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!19 = !DISubroutineType(types: !20)
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!20 = !{!7, !7, !21}
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!21 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !31, scope: !3, baseType: !22)
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!22 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !31, scope: !3, baseType: !23)
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!23 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
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!24 = !DILocalVariable(name: "argv", line: 19, arg: 2, scope: !18, file: !3, type: !21)
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!25 = !DILocalVariable(name: "a", line: 20, scope: !26, file: !3, type: !2)
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!26 = distinct !DILexicalBlock(line: 19, column: 0, file: !31, scope: !27)
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!27 = distinct !DILexicalBlock(line: 19, column: 0, file: !31, scope: !18)
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!28 = !DILocalVariable(name: "b", line: 21, scope: !26, file: !3, type: !7)
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!29 = !DILocation(line: 16, scope: !30)
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!30 = distinct !DILexicalBlock(line: 15, column: 0, file: !31, scope: !8)
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!31 = !DIFile(filename: "foo.cp", directory: "/tmp/")
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!32 = !{}
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!33 = !{!1, !8, !18}
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!34 = !{i32 1, !"Debug Info Version", i32 3}
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