forked from OSchip/llvm-project
184 lines
9.8 KiB
LLVM
184 lines
9.8 KiB
LLVM
; REQUIRES: object-emission
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; RUN: %llc_dwarf -filetype=obj -O0 < %s > %t
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; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s
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; CHECK: [[TYPE:.*]]: DW_TAG_structure_type
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; Make sure we correctly handle containing type of a struct being a type identifier.
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; CHECK-NEXT: DW_AT_containing_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE]]})
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; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}= "C")
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; Make sure we correctly handle context of a subprogram being a type identifier.
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; CHECK: [[SP:.*]]: DW_TAG_subprogram
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; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "foo")
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; Make sure we correctly handle containing type of a subprogram being a type identifier.
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; CHECK: DW_AT_containing_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE]]})
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; CHECK: DW_TAG_formal_parameter
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; CHECK: NULL
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; CHECK: NULL
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; CHECK: [[TYPE2:.*]]: DW_TAG_structure_type
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; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "bar")
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; CHECK: DW_TAG_structure_type
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; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "D")
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; CHECK: DW_TAG_member
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; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "a")
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; Make sure we correctly handle context of a struct being a type identifier.
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; CHECK: DW_TAG_structure_type
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; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}= "Nested")
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; CHECK: DW_TAG_structure_type
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; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}= "Nested2")
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; CHECK-NEXT: DW_AT_declaration [DW_FORM_flag] (0x01)
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; CHECK: DW_TAG_structure_type
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; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}= "virt<bar>")
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; Make sure we correctly handle type of a template_type being a type identifier.
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; CHECK: DW_TAG_template_type_parameter
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; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE2]]}
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; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}= "T")
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; Make sure we correctly handle derived-from of a typedef being a type identifier.
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; CHECK: DW_TAG_typedef
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; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE2]]}
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; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "baz2")
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; Make sure we correctly handle derived-from of a pointer type being a type identifier.
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; CHECK: DW_TAG_pointer_type
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; CHECK: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE]]}
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; CHECK: DW_TAG_typedef
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; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE2]]}
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; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "baz")
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; Make sure we correctly handle derived-from of an array type being a type identifier.
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; CHECK: DW_TAG_array_type
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; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE2]]}
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; IR generated from clang -g with the following source:
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; struct C {
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; virtual void foo();
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; };
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; void C::foo() {
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; }
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;
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; struct bar { };
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; typedef bar baz;
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; struct D {
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; typedef bar baz2;
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; static int a;
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; struct Nested { };
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; struct Nested2 { };
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; template <typename T>
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; struct virt {
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; T* values;
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; };
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; };
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; void test() {
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; baz B;
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; bar A[3];
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; D::baz2 B2;
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; D::Nested e;
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; D::Nested2 *p;
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; D::virt<bar> t;
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; }
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%struct.C = type { i32 (...)** }
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%struct.bar = type { i8 }
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%"struct.D::Nested" = type { i8 }
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%"struct.D::Nested2" = type { i8 }
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%"struct.D::virt" = type { %struct.bar* }
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@_ZTV1C = unnamed_addr constant [3 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI1C to i8*), i8* bitcast (void (%struct.C*)* @_ZN1C3fooEv to i8*)]
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@_ZTVN10__cxxabiv117__class_type_infoE = external global i8*
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@_ZTS1C = constant [3 x i8] c"1C\00"
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@_ZTI1C = unnamed_addr constant { i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8*, i8** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @_ZTS1C, i32 0, i32 0) }
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; Function Attrs: nounwind ssp uwtable
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define void @_ZN1C3fooEv(%struct.C* %this) unnamed_addr #0 align 2 !dbg !31 {
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entry:
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%this.addr = alloca %struct.C*, align 8
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store %struct.C* %this, %struct.C** %this.addr, align 8
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call void @llvm.dbg.declare(metadata %struct.C** %this.addr, metadata !36, metadata !DIExpression()), !dbg !38
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%this1 = load %struct.C*, %struct.C** %this.addr
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ret void, !dbg !39
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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 ssp uwtable
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define void @_Z4testv() #0 !dbg !32 {
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entry:
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%B = alloca %struct.bar, align 1
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%A = alloca [3 x %struct.bar], align 1
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%B2 = alloca %struct.bar, align 1
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%e = alloca %"struct.D::Nested", align 1
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%p = alloca %"struct.D::Nested2"*, align 8
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%t = alloca %"struct.D::virt", align 8
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call void @llvm.dbg.declare(metadata %struct.bar* %B, metadata !40, metadata !DIExpression()), !dbg !42
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call void @llvm.dbg.declare(metadata [3 x %struct.bar]* %A, metadata !43, metadata !DIExpression()), !dbg !47
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call void @llvm.dbg.declare(metadata %struct.bar* %B2, metadata !48, metadata !DIExpression()), !dbg !50
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call void @llvm.dbg.declare(metadata %"struct.D::Nested"* %e, metadata !51, metadata !DIExpression()), !dbg !52
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call void @llvm.dbg.declare(metadata %"struct.D::Nested2"** %p, metadata !53, metadata !DIExpression()), !dbg !55
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call void @llvm.dbg.declare(metadata %"struct.D::virt"* %t, metadata !56, metadata !DIExpression()), !dbg !57
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ret void, !dbg !58
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}
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attributes #0 = { nounwind ssp 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 = !{!0}
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!llvm.module.flags = !{!35, !59}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2)
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!1 = !DIFile(filename: "tmp.cpp", directory: ".")
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!2 = !{}
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!3 = !{!4, !18, !19, !22, !23, !24}
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!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "C", line: 1, file: !1, elements: !5, vtableHolder: !4, identifier: "_ZTS1C")
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!5 = !{!6, !13}
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!6 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$C", flags: DIFlagArtificial, file: !1, scope: !7, baseType: !8)
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!7 = !DIFile(filename: "tmp.cpp", directory: ".")
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!8 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, baseType: !9)
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!9 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "__vtbl_ptr_type", size: 64, baseType: !10)
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!10 = !DISubroutineType(types: !11)
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!11 = !{!12}
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!12 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!13 = !DISubprogram(name: "foo", linkageName: "_ZN1C3fooEv", line: 2, isLocal: false, isDefinition: false, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !1, scope: !4, type: !14, containingType: !4)
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!14 = !DISubroutineType(types: !15)
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!15 = !{null, !16}
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!16 = !DIDerivedType(tag: DW_TAG_pointer_type, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !4)
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!18 = !DICompositeType(tag: DW_TAG_structure_type, name: "bar", line: 7, size: 8, align: 8, file: !1, elements: !2, identifier: "_ZTS3bar")
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!19 = !DICompositeType(tag: DW_TAG_structure_type, name: "D", line: 9, size: 8, align: 8, file: !1, elements: !20, identifier: "_ZTS1D")
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!20 = !{!21}
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!21 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 11, flags: DIFlagStaticMember, file: !1, scope: !19, baseType: !12)
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!22 = !DICompositeType(tag: DW_TAG_structure_type, name: "Nested", line: 12, size: 8, align: 8, file: !1, scope: !19, elements: !2, identifier: "_ZTSN1D6NestedE")
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!23 = !DICompositeType(tag: DW_TAG_structure_type, name: "Nested2", line: 13, flags: DIFlagFwdDecl, file: !1, scope: !19, identifier: "_ZTSN1D7Nested2E")
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!24 = !DICompositeType(tag: DW_TAG_structure_type, name: "virt<bar>", line: 15, file: !1, scope: !19, elements: !25, templateParams: !28, identifier: "_ZTSN1D4virtI3barEE")
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!25 = !{!26}
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!26 = !DIDerivedType(tag: DW_TAG_member, name: "values", line: 16, size: 64, align: 64, file: !1, scope: !24, baseType: !27)
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!27 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !18)
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!28 = !{!29}
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!29 = !DITemplateTypeParameter(name: "T", type: !18)
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!31 = distinct !DISubprogram(name: "foo", linkageName: "_ZN1C3fooEv", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 4, file: !1, scope: null, type: !14, declaration: !13, retainedNodes: !2)
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!32 = distinct !DISubprogram(name: "test", linkageName: "_Z4testv", line: 20, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 20, file: !1, scope: !7, type: !33, retainedNodes: !2)
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!33 = !DISubroutineType(types: !34)
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!34 = !{null}
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!35 = !{i32 2, !"Dwarf Version", i32 2}
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!36 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !31, type: !37)
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!37 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !4)
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!38 = !DILocation(line: 0, scope: !31)
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!39 = !DILocation(line: 5, scope: !31)
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!40 = !DILocalVariable(name: "B", line: 21, scope: !32, file: !7, type: !41)
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!41 = !DIDerivedType(tag: DW_TAG_typedef, name: "baz", line: 8, file: !1, baseType: !18)
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!42 = !DILocation(line: 21, scope: !32)
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!43 = !DILocalVariable(name: "A", line: 22, scope: !32, file: !7, type: !44)
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!44 = !DICompositeType(tag: DW_TAG_array_type, size: 24, align: 8, baseType: !18, elements: !45)
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!45 = !{!46}
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!46 = !DISubrange(count: 3)
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!47 = !DILocation(line: 22, scope: !32)
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!48 = !DILocalVariable(name: "B2", line: 23, scope: !32, file: !7, type: !49)
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!49 = !DIDerivedType(tag: DW_TAG_typedef, name: "baz2", line: 10, file: !1, scope: !19, baseType: !18)
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!50 = !DILocation(line: 23, scope: !32)
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!51 = !DILocalVariable(name: "e", line: 24, scope: !32, file: !7, type: !22)
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!52 = !DILocation(line: 24, scope: !32)
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!53 = !DILocalVariable(name: "p", line: 25, scope: !32, file: !7, type: !54)
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!54 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !23)
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!55 = !DILocation(line: 25, scope: !32)
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!56 = !DILocalVariable(name: "t", line: 26, scope: !32, file: !7, type: !24)
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!57 = !DILocation(line: 26, scope: !32)
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!58 = !DILocation(line: 27, scope: !32)
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!59 = !{i32 1, !"Debug Info Version", i32 3}
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