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100 lines
4.4 KiB
LLVM
100 lines
4.4 KiB
LLVM
; REQUIRES: object-emission
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; RUN: llc -mtriple=x86_64-linux -O0 -filetype=obj < %s | llvm-dwarfdump -v -debug-info - | FileCheck %s
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; From source:
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; struct foo {
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; int __attribute__((always_inline)) func(int x) { return x + 2; }
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; };
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; int i;
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; int main() {
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; return foo().func(i);
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; }
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; CHECK: DW_TAG_structure_type
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; CHECK: DW_TAG_subprogram
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; But make sure we emit DW_AT_object_pointer on the abstract definition.
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; CHECK: [[ABSTRACT_ORIGIN:.*]]: DW_TAG_subprogram
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; CHECK-NOT: {{NULL|TAG}}
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; CHECK: DW_AT_specification {{.*}} "_ZN3foo4funcEi"
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; CHECK-NOT: {{NULL|TAG}}
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; CHECK: DW_AT_object_pointer
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; Ensure we omit DW_AT_object_pointer on inlined subroutines.
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; CHECK: DW_TAG_inlined_subroutine
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; CHECK-NEXT: DW_AT_abstract_origin {{.*}} {[[ABSTRACT_ORIGIN]]} "_ZN3foo4funcEi"
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; CHECK-NOT: NULL
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; CHECK-NOT: DW_AT_object_pointer
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; CHECK: DW_TAG_formal_parameter
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; CHECK-NOT: DW_AT_artificial
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; CHECK: DW_TAG
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source_filename = "test/DebugInfo/X86/inline-member-function.ll"
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%struct.foo = type { i8 }
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@i = global i32 0, align 4, !dbg !0
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; Function Attrs: uwtable
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define i32 @main() #0 !dbg !17 {
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entry:
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%this.addr.i = alloca %struct.foo*, align 8
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%x.addr.i = alloca i32, align 4
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%retval = alloca i32, align 4
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%tmp = alloca %struct.foo, align 1
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store i32 0, i32* %retval
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%0 = load i32, i32* @i, align 4, !dbg !20
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store %struct.foo* %tmp, %struct.foo** %this.addr.i, align 8
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call void @llvm.dbg.declare(metadata %struct.foo** %this.addr.i, metadata !21, metadata !24), !dbg !25
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store i32 %0, i32* %x.addr.i, align 4
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call void @llvm.dbg.declare(metadata i32* %x.addr.i, metadata !26, metadata !24), !dbg !27
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%this1.i = load %struct.foo*, %struct.foo** %this.addr.i
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%1 = load i32, i32* %x.addr.i, align 4, !dbg !27
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%add.i = add nsw i32 %1, 2, !dbg !27
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ret i32 %add.i, !dbg !20
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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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attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!4}
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!llvm.module.flags = !{!14, !15}
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!llvm.ident = !{!16}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "i", scope: null, file: !2, line: 5, type: !3, isLocal: false, isDefinition: true)
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!2 = !DIFile(filename: "inline.cpp", directory: "/tmp/dbginfo")
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!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!4 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 3.5.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !5, retainedTypes: !6, globals: !13, imports: !5)
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!5 = !{}
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!6 = !{!7}
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!7 = !DICompositeType(tag: DW_TAG_structure_type, name: "foo", file: !2, line: 1, size: 8, align: 8, elements: !8, identifier: "_ZTS3foo")
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!8 = !{!9}
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!9 = !DISubprogram(name: "func", linkageName: "_ZN3foo4funcEi", scope: !7, file: !2, line: 2, type: !10, isLocal: false, isDefinition: false, scopeLine: 2, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false)
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!10 = !DISubroutineType(types: !11)
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!11 = !{!3, !12, !3}
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!12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
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!13 = !{!0}
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!14 = !{i32 2, !"Dwarf Version", i32 4}
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!15 = !{i32 1, !"Debug Info Version", i32 3}
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!16 = !{!"clang version 3.5.0 "}
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!17 = distinct !DISubprogram(name: "main", scope: !2, file: !2, line: 7, type: !18, isLocal: false, isDefinition: true, scopeLine: 7, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !4, variables: !5)
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!18 = !DISubroutineType(types: !19)
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!19 = !{!3}
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!20 = !DILocation(line: 8, scope: !17)
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!21 = !DILocalVariable(name: "this", arg: 1, scope: !22, type: !23, flags: DIFlagArtificial | DIFlagObjectPointer)
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!22 = distinct !DISubprogram(name: "func", linkageName: "_ZN3foo4funcEi", scope: !7, file: !2, line: 2, type: !10, isLocal: false, isDefinition: true, scopeLine: 2, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !4, declaration: !9, variables: !5)
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!23 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, align: 64)
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!24 = !DIExpression()
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!25 = !DILocation(line: 0, scope: !22, inlinedAt: !20)
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!26 = !DILocalVariable(name: "x", arg: 2, scope: !22, file: !2, line: 2, type: !3)
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!27 = !DILocation(line: 2, scope: !22, inlinedAt: !20)
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