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llvm/test/Linker/type-unique-simple2-a.ll
Mehdi Amini 793a2b15e7 Make the default triple optional by allowing an empty string 
When building LLVM as a (potentially dynamic) library that can be linked against
by multiple compilers, the default triple is not really meaningful.
We allow to explicitely set it to an empty string when configuring LLVM.
In this case, said "target independent" tests in the test suite that are using
the default triple are disabled by matching the newly available feature
"default_triple".

Reviewers: probinson, echristo
Differential Revision: http://reviews.llvm.org/D12660

From: Mehdi Amini <mehdi.amini@apple.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247775 91177308-0d34-0410-b5e6-96231b3b80d8
2015-09-16 05:34:32 +00:00

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; REQUIRES: default_triple, object-emission
;
; RUN: llvm-link %s %p/type-unique-simple2-b.ll -S -o - | %llc_dwarf -filetype=obj -O0 | llvm-dwarfdump -debug-dump=info - | FileCheck %s
;
; Tests for a merge error where attributes are inserted twice into the same DIE.
;
; $ cat ab.h
; typedef int foo_t;
; class A {
; public:
; virtual void setFoo();
; virtual const foo_t getFoo();
; };
;
; $ cat a.cpp
; #include "ab.h"
; foo_t bar() {
; return A().getFoo();
; }
;
; CHECK: DW_AT_name {{.*}} "setFoo"
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)
; CHECK-NOT: DW_AT_accessibility
; CHECK: DW_TAG
; ModuleID = 'a.cpp'
%class.A = type { i32 (...)** }
@_ZTV1A = external unnamed_addr constant [4 x i8*]
; Function Attrs: nounwind
define i32 @_Z3barv() #0 {
entry:
%tmp = alloca %class.A, align 8
%0 = bitcast %class.A* %tmp to i8*, !dbg !38
call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 8, i32 8, i1 false), !dbg !38
call void @_ZN1AC1Ev(%class.A* %tmp) #1, !dbg !38
%call = call i32 @_ZN1A6getFooEv(%class.A* %tmp), !dbg !38
ret i32 %call, !dbg !38
}
; Function Attrs: nounwind
declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) #1
; Function Attrs: inlinehint nounwind
define linkonce_odr void @_ZN1AC1Ev(%class.A* %this) unnamed_addr #2 align 2 {
entry:
%this.addr = alloca %class.A*, align 8
store %class.A* %this, %class.A** %this.addr, align 8
call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !39, metadata !DIExpression()), !dbg !41
%this1 = load %class.A*, %class.A** %this.addr
call void @_ZN1AC2Ev(%class.A* %this1) #1, !dbg !42
ret void, !dbg !42
}
declare i32 @_ZN1A6getFooEv(%class.A*)
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata, metadata) #4
; Function Attrs: inlinehint nounwind
define linkonce_odr void @_ZN1AC2Ev(%class.A* %this) unnamed_addr #2 align 2 {
entry:
%this.addr = alloca %class.A*, align 8
store %class.A* %this, %class.A** %this.addr, align 8
call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !44, metadata !DIExpression()), !dbg !45
%this1 = load %class.A*, %class.A** %this.addr
%0 = bitcast %class.A* %this1 to i8***, !dbg !46
store i8** getelementptr inbounds ([4 x i8*], [4 x i8*]* @_ZTV1A, i64 0, i64 2), i8*** %0, !dbg !46
ret void, !dbg !46
}
attributes #0 = { nounwind }
attributes #1 = { nounwind }
attributes #2 = { inlinehint nounwind }
attributes #4 = { nounwind readnone }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!35, !36}
!llvm.ident = !{!37}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 ", isOptimized: false, emissionKind: 0, file: !1, enums: !2, retainedTypes: !3, subprograms: !26, globals: !2, imports: !2)
!1 = !DIFile(filename: "<unknown>", directory: "")
!2 = !{}
!3 = !{!4}
!4 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 2, size: 64, align: 64, file: !5, elements: !6, vtableHolder: !"_ZTS1A", identifier: "_ZTS1A")
!5 = !DIFile(filename: "./ab.h", directory: "")
!6 = !{!7, !14, !19}
!7 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$A", size: 64, flags: DIFlagArtificial, file: !5, scope: !8, baseType: !9)
!8 = !DIFile(filename: "./ab.h", directory: "")
!9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, baseType: !10)
!10 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "__vtbl_ptr_type", size: 64, baseType: !11)
!11 = !DISubroutineType(types: !12)
!12 = !{!13}
!13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!14 = !DISubprogram(name: "setFoo", linkageName: "_ZN1A6setFooEv", line: 4, isLocal: false, isDefinition: false, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 6, flags: DIFlagPublic | DIFlagPrototyped, isOptimized: false, scopeLine: 4, file: !5, scope: !"_ZTS1A", type: !15, containingType: !"_ZTS1A")
!15 = !DISubroutineType(types: !16)
!16 = !{null, !17}
!17 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1A")
!19 = !DISubprogram(name: "getFoo", linkageName: "_ZN1A6getFooEv", line: 5, isLocal: false, isDefinition: false, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 6, flags: DIFlagPublic | DIFlagPrototyped, isOptimized: false, scopeLine: 5, file: !5, scope: !"_ZTS1A", type: !20, containingType: !"_ZTS1A")
!20 = !DISubroutineType(types: !21)
!21 = !{!22, !17}
!22 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !23)
!23 = !DIDerivedType(tag: DW_TAG_typedef, name: "foo_t", line: 1, file: !24, baseType: !13)
!24 = !DIFile(filename: "a.cpp", directory: "")
!26 = !{!27, !31, !34}
!27 = distinct !DISubprogram(name: "bar", linkageName: "_Z3barv", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !24, scope: !28, type: !29, function: i32 ()* @_Z3barv, variables: !2)
!28 = !DIFile(filename: "a.cpp", directory: "")
!29 = !DISubroutineType(types: !30)
!30 = !{!23}
!31 = distinct !DISubprogram(name: "A", linkageName: "_ZN1AC1Ev", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !5, scope: !"_ZTS1A", type: !15, function: void (%class.A*)* @_ZN1AC1Ev, declaration: !32, variables: !2)
!32 = !DISubprogram(name: "A", isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, scope: !"_ZTS1A", type: !15)
!34 = distinct !DISubprogram(name: "A", linkageName: "_ZN1AC2Ev", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !5, scope: !"_ZTS1A", type: !15, function: void (%class.A*)* @_ZN1AC2Ev, declaration: !32, variables: !2)
!35 = !{i32 2, !"Dwarf Version", i32 2}
!36 = !{i32 1, !"Debug Info Version", i32 3}
!37 = !{!"clang version 3.5 "}
!38 = !DILocation(line: 3, scope: !27)
!39 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !31, type: !40)
!40 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !"_ZTS1A")
!41 = !DILocation(line: 0, scope: !31)
!42 = !DILocation(line: 2, scope: !43)
!43 = !DILexicalBlockFile(discriminator: 0, file: !5, scope: !31)
!44 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !34, type: !40)
!45 = !DILocation(line: 0, scope: !34)
!46 = !DILocation(line: 2, scope: !34)
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