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80 lines
3.7 KiB
LLVM
80 lines
3.7 KiB
LLVM
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; RUN: llc -O2 < %s | FileCheck %s
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; RUN: llc -O2 -regalloc=basic < %s | FileCheck %s
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source_filename = "test/CodeGen/X86/2010-05-26-DotDebugLoc.ll"
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-apple-darwin10"
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%struct.a = type { i32, %struct.a* }
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@llvm.used = appending global [1 x i8*] [i8* bitcast (i8* (%struct.a*)* @bar to i8*)], section "llvm.metadata"
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; Function Attrs: noinline nounwind optsize ssp
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define i8* @bar(%struct.a* %myvar) #0 !dbg !8 {
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entry:
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tail call void @llvm.dbg.value(metadata %struct.a* %myvar, i64 0, metadata !18, metadata !19), !dbg !20
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%0 = getelementptr inbounds %struct.a, %struct.a* %myvar, i64 0, i32 0, !dbg !21
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%1 = load i32, i32* %0, align 8, !dbg !21
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tail call void @foo(i32 %1) #0, !dbg !21
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%2 = bitcast %struct.a* %myvar to i8*, !dbg !23
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ret i8* %2, !dbg !23
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}
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; Function Attrs: noinline nounwind optsize ssp
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declare void @foo(i32) #0
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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 = { noinline nounwind optsize ssp }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!7}
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!0 = distinct !DICompileUnit(language: DW_LANG_C89, file: !1, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !3, imports: !2)
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!1 = !DIFile(filename: "foo.c", directory: "/tmp/")
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!2 = !{}
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!3 = !{!4}
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!4 = !DIGlobalVariableExpression(var: !5, expr: !DIExpression())
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!5 = !DIGlobalVariable(name: "ret", scope: !1, file: !1, line: 7, type: !6, isLocal: false, isDefinition: true)
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!6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!7 = !{i32 1, !"Debug Info Version", i32 3}
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!8 = distinct !DISubprogram(name: "bar", linkageName: "bar", scope: !1, file: !1, line: 17, type: !9, isLocal: false, isDefinition: true, scopeLine: 17, virtualIndex: 6, isOptimized: true, unit: !0, variables: !17)
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!9 = !DISubroutineType(types: !10)
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!10 = !{!11, !12}
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!11 = !DIDerivedType(tag: DW_TAG_pointer_type, scope: !1, file: !1, baseType: null, size: 64, align: 64)
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!12 = !DIDerivedType(tag: DW_TAG_pointer_type, scope: !1, file: !1, baseType: !13, size: 64, align: 64)
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!13 = !DICompositeType(tag: DW_TAG_structure_type, name: "a", scope: !1, file: !1, line: 2, size: 128, align: 64, elements: !14)
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!14 = !{!15, !16}
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!15 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !13, file: !1, line: 3, baseType: !6, size: 32, align: 32)
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!16 = !DIDerivedType(tag: DW_TAG_member, name: "d", scope: !13, file: !1, line: 4, baseType: !12, size: 64, align: 64, offset: 64)
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!17 = !{!18}
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!18 = !DILocalVariable(name: "myvar", arg: 1, scope: !8, file: !1, line: 17, type: !12)
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!19 = !DIExpression()
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!20 = !DILocation(line: 0, scope: !8)
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!21 = !DILocation(line: 18, scope: !22)
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!22 = distinct !DILexicalBlock(scope: !8, file: !1, line: 17)
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!23 = !DILocation(line: 19, scope: !22)
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; The variable bar:myvar changes registers after the first movq.
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; It is cobbered by popq %rbx
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; CHECK: movq
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; CHECK-NEXT: [[LABEL:Ltmp[0-9]*]]
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; CHECK: .loc 1 19 0
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; CHECK: popq
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; CHECK-NEXT: [[CLOBBER:Ltmp[0-9]*]]
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; CHECK: Ldebug_loc0:
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; CHECK-NEXT: [[SET1:.*]] = Lfunc_begin0-Lfunc_begin0
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; CHECK-NEXT: .quad [[SET1]]
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; CHECK-NEXT: [[SET2:.*]] = [[LABEL]]-Lfunc_begin0
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; CHECK-NEXT: .quad [[SET2]]
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; CHECK-NEXT: .short 1 ## Loc expr size
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; CHECK-NEXT: .byte 85
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; CHECK-NEXT: [[SET3:.*]] = [[LABEL]]-Lfunc_begin0
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; CHECK-NEXT: .quad [[SET3]]
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; CHECK-NEXT: [[SET4:.*]] = [[CLOBBER]]-Lfunc_begin0
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; CHECK-NEXT: .quad [[SET4]]
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; CHECK-NEXT: .short 1 ## Loc expr size
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; CHECK-NEXT: .byte 83
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