mirror of
https://github.com/c64scene-ar/llvm-6502.git
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Debug info (LTO): Move the creation of accessibility flags to
getOrCreateSubprogramDIE to avoid attributes being added twice when DIEs are merged. rdar://problem/15842330. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199536 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Adrian Prantl
parent
774cec5748
commit
f9af5bdd63
@ -1191,21 +1191,9 @@ void DwarfUnit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
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for (unsigned i = 0, N = Elements.getNumElements(); i < N; ++i) {
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DIDescriptor Element = Elements.getElement(i);
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DIE *ElemDie = NULL;
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if (Element.isSubprogram()) {
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DISubprogram SP(Element);
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ElemDie = getOrCreateSubprogramDIE(SP);
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if (SP.isProtected())
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addUInt(ElemDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
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dwarf::DW_ACCESS_protected);
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else if (SP.isPrivate())
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addUInt(ElemDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
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dwarf::DW_ACCESS_private);
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else
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addUInt(ElemDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
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dwarf::DW_ACCESS_public);
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if (SP.isExplicit())
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addFlag(ElemDie, dwarf::DW_AT_explicit);
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} else if (Element.isDerivedType()) {
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if (Element.isSubprogram())
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ElemDie = getOrCreateSubprogramDIE(DISubprogram(Element));
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else if (Element.isDerivedType()) {
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DIDerivedType DDTy(Element);
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if (DDTy.getTag() == dwarf::DW_TAG_friend) {
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ElemDie = createAndAddDIE(dwarf::DW_TAG_friend, Buffer);
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@ -1490,6 +1478,19 @@ DIE *DwarfUnit::getOrCreateSubprogramDIE(DISubprogram SP) {
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if (SP.isRValueReference())
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addFlag(SPDie, dwarf::DW_AT_rvalue_reference);
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if (SP.isProtected())
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addUInt(SPDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
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dwarf::DW_ACCESS_protected);
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else if (SP.isPrivate())
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addUInt(SPDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
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dwarf::DW_ACCESS_private);
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else
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addUInt(SPDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
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dwarf::DW_ACCESS_public);
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if (SP.isExplicit())
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addFlag(SPDie, dwarf::DW_AT_explicit);
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return SPDie;
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}
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129
test/Linker/type-unique-simple2-a.ll
Normal file
129
test/Linker/type-unique-simple2-a.ll
Normal file
@ -0,0 +1,129 @@
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; REQUIRES: object-emission
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;
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; RUN: llvm-link %s %p/type-unique-simple2-b.ll -S -o - | llc -filetype=obj -O0 | llvm-dwarfdump -debug-dump=info - | FileCheck %s
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;
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; Tests for a merge error where attributes are inserted twice into the same DIE.
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;
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; $ cat ab.h
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; typedef int foo_t;
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; class A {
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; public:
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; virtual void setFoo();
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; virtual const foo_t getFoo();
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; };
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;
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; $ cat a.cpp
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; #include "ab.h"
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; foo_t bar() {
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; return A().getFoo();
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; }
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;
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; CHECK: _ZN1A6setFooEv
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; CHECK: DW_AT_accessibility [DW_FORM_data1] (0x01)
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; CHECK-NOT: DW_AT_accessibility
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; CHECK: DW_TAG
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; ModuleID = 'a.cpp'
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%class.A = type { i32 (...)** }
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@_ZTV1A = external unnamed_addr constant [4 x i8*]
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; Function Attrs: nounwind
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define i32 @_Z3barv() #0 {
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entry:
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%tmp = alloca %class.A, align 8
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%0 = bitcast %class.A* %tmp to i8*, !dbg !38
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call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 8, i32 8, i1 false), !dbg !38
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call void @_ZN1AC1Ev(%class.A* %tmp) #1, !dbg !38
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%call = call i32 @_ZN1A6getFooEv(%class.A* %tmp), !dbg !38
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ret i32 %call, !dbg !38
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}
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; Function Attrs: nounwind
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declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) #1
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; Function Attrs: inlinehint nounwind
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define linkonce_odr void @_ZN1AC1Ev(%class.A* %this) unnamed_addr #2 align 2 {
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entry:
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%this.addr = alloca %class.A*, align 8
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store %class.A* %this, %class.A** %this.addr, align 8
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call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !39), !dbg !41
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%this1 = load %class.A** %this.addr
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call void @_ZN1AC2Ev(%class.A* %this1) #1, !dbg !42
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ret void, !dbg !42
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}
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declare i32 @_ZN1A6getFooEv(%class.A*)
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata) #4
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; Function Attrs: inlinehint nounwind
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define linkonce_odr void @_ZN1AC2Ev(%class.A* %this) unnamed_addr #2 align 2 {
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entry:
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%this.addr = alloca %class.A*, align 8
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store %class.A* %this, %class.A** %this.addr, align 8
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call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !44), !dbg !45
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%this1 = load %class.A** %this.addr
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%0 = bitcast %class.A* %this1 to i8***, !dbg !46
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store i8** getelementptr inbounds ([4 x i8*]* @_ZTV1A, i64 0, i64 2), i8*** %0, !dbg !46
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ret void, !dbg !46
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}
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attributes #0 = { nounwind }
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attributes #1 = { nounwind }
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attributes #2 = { inlinehint nounwind }
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attributes #4 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!35, !36}
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!llvm.ident = !{!37}
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!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !26, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/<unknown>] [DW_LANG_C_plus_plus]
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!1 = metadata !{metadata !"<unknown>", metadata !""}
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!2 = metadata !{i32 0}
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!3 = metadata !{metadata !4}
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!4 = metadata !{i32 786434, metadata !5, null, metadata !"A", i32 2, i64 64, i64 64, i32 0, i32 0, null, metadata !6, i32 0, metadata !"_ZTS1A", null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 2, size 64, align 64, offset 0] [def] [from ]
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!5 = metadata !{metadata !"./ab.h", metadata !""}
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!6 = metadata !{metadata !7, metadata !14, metadata !19}
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!7 = metadata !{i32 786445, metadata !5, metadata !8, metadata !"_vptr$A", i32 0, i64 64, i64 0, i64 0, i32 64, metadata !9} ; [ DW_TAG_member ] [_vptr$A] [line 0, size 64, align 0, offset 0] [artificial] [from ]
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!8 = metadata !{i32 786473, metadata !5} ; [ DW_TAG_file_type ] [/./ab.h]
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!9 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 0, offset 0] [from __vtbl_ptr_type]
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!10 = metadata !{i32 786447, null, null, metadata !"__vtbl_ptr_type", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ] [__vtbl_ptr_type] [line 0, size 64, align 0, offset 0] [from ]
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!11 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!12 = metadata !{metadata !13}
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!13 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
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!14 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"setFoo", metadata !"setFoo", metadata !"_ZN1A6setFooEv", i32 4, metadata !15, i1 false, i1 false, i32 1, i32 0, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, metadata !18, i32 4} ; [ DW_TAG_subprogram ] [line 4] [setFoo]
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!15 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !16, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!16 = metadata !{null, metadata !17}
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!17 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A]
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!18 = metadata !{i32 786468}
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!19 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 5, metadata !20, i1 false, i1 false, i32 1, i32 1, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, metadata !25, i32 5} ; [ DW_TAG_subprogram ] [line 5] [getFoo]
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!20 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !21, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!21 = metadata !{metadata !22, metadata !17}
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!22 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !23} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from foo_t]
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!23 = metadata !{i32 786454, metadata !24, null, metadata !"foo_t", i32 1, i64 0, i64 0, i64 0, i32 0, metadata !13} ; [ DW_TAG_typedef ] [foo_t] [line 1, size 0, align 0, offset 0] [from int]
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!24 = metadata !{metadata !"a.cpp", metadata !""}
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!25 = metadata !{i32 786468}
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!26 = metadata !{metadata !27, metadata !31, metadata !34}
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!27 = metadata !{i32 786478, metadata !24, metadata !28, metadata !"bar", metadata !"bar", metadata !"_Z3barv", i32 2, metadata !29, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @_Z3barv, null, null, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [bar]
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!28 = metadata !{i32 786473, metadata !24} ; [ DW_TAG_file_type ] [/a.cpp]
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!29 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !30, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!30 = metadata !{metadata !23}
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!31 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"_ZN1AC1Ev", i32 2, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 320, i1 false, void (%class.A*)* @_ZN1AC1Ev, null, metadata !32, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [A]
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!32 = metadata !{i32 786478, null, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"", i32 0, metadata !15, i1 false, i1 false, i32 0, i32 0, null, i32 320, i1 false, null, null, i32 0, metadata !33, i32 0} ; [ DW_TAG_subprogram ] [line 0] [A]
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!33 = metadata !{i32 786468}
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!34 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"_ZN1AC2Ev", i32 2, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 320, i1 false, void (%class.A*)* @_ZN1AC2Ev, null, metadata !32, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [A]
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!35 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
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!36 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
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!37 = metadata !{metadata !"clang version 3.5 "}
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!38 = metadata !{i32 3, i32 0, metadata !27, null}
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!39 = metadata !{i32 786689, metadata !31, metadata !"this", null, i32 16777216, metadata !40, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
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!40 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1A]
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!41 = metadata !{i32 0, i32 0, metadata !31, null}
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!42 = metadata !{i32 2, i32 0, metadata !43, null}
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!43 = metadata !{i32 786443, metadata !5, metadata !31} ; [ DW_TAG_lexical_block ] [/./ab.h]
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!44 = metadata !{i32 786689, metadata !34, metadata !"this", null, i32 16777216, metadata !40, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
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!45 = metadata !{i32 0, i32 0, metadata !34, null}
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!46 = metadata !{i32 2, i32 0, metadata !34, null}
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88
test/Linker/type-unique-simple2-b.ll
Normal file
88
test/Linker/type-unique-simple2-b.ll
Normal file
@ -0,0 +1,88 @@
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; RUN: true
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; This file belongs to type-unique-simple2-a.ll.
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;
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; $ cat b.cpp
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; #include "ab.h"
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; void A::setFoo() {}
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; const
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; foo_t A::getFoo() { return 1; }
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; ModuleID = 'b.cpp'
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; target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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; target triple = "x86_64-apple-macosx10.9.0"
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%class.A = type { i32 (...)** }
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@_ZTV1A = unnamed_addr constant [4 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*), i8* bitcast (void (%class.A*)* @_ZN1A6setFooEv to i8*), i8* bitcast (i32 (%class.A*)* @_ZN1A6getFooEv to i8*)]
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@_ZTVN10__cxxabiv117__class_type_infoE = external global i8*
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@_ZTS1A = constant [3 x i8] c"1A\00"
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@_ZTI1A = unnamed_addr constant { i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([3 x i8]* @_ZTS1A, i32 0, i32 0) }
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; Function Attrs: nounwind
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define void @_ZN1A6setFooEv(%class.A* %this) unnamed_addr #0 align 2 {
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entry:
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%this.addr = alloca %class.A*, align 8
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store %class.A* %this, %class.A** %this.addr, align 8
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call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !32), !dbg !34
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%this1 = load %class.A** %this.addr
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ret void, !dbg !35
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata) #1
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; Function Attrs: nounwind
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define i32 @_ZN1A6getFooEv(%class.A* %this) unnamed_addr #0 align 2 {
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entry:
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%this.addr = alloca %class.A*, align 8
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store %class.A* %this, %class.A** %this.addr, align 8
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call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !36), !dbg !37
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%this1 = load %class.A** %this.addr
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ret i32 1, !dbg !38
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}
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attributes #0 = { nounwind }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!29, !30}
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!llvm.ident = !{!31}
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!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !25, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/<unknown>] [DW_LANG_C_plus_plus]
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!1 = metadata !{metadata !"<unknown>", metadata !""}
|
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!2 = metadata !{i32 0}
|
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!3 = metadata !{metadata !4}
|
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!4 = metadata !{i32 786434, metadata !5, null, metadata !"A", i32 2, i64 64, i64 64, i32 0, i32 0, null, metadata !6, i32 0, metadata !"_ZTS1A", null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 2, size 64, align 64, offset 0] [def] [from ]
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!5 = metadata !{metadata !"./ab.h", metadata !""}
|
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!6 = metadata !{metadata !7, metadata !14, metadata !19}
|
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!7 = metadata !{i32 786445, metadata !5, metadata !8, metadata !"_vptr$A", i32 0, i64 64, i64 0, i64 0, i32 64, metadata !9} ; [ DW_TAG_member ] [_vptr$A] [line 0, size 64, align 0, offset 0] [artificial] [from ]
|
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!8 = metadata !{i32 786473, metadata !5} ; [ DW_TAG_file_type ] [/./ab.h]
|
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!9 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 0, offset 0] [from __vtbl_ptr_type]
|
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!10 = metadata !{i32 786447, null, null, metadata !"__vtbl_ptr_type", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ] [__vtbl_ptr_type] [line 0, size 64, align 0, offset 0] [from ]
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!11 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!12 = metadata !{metadata !13}
|
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!13 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
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!14 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"setFoo", metadata !"setFoo", metadata !"_ZN1A6setFooEv", i32 4, metadata !15, i1 false, i1 false, i32 1, i32 0, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, metadata !18, i32 4} ; [ DW_TAG_subprogram ] [line 4] [setFoo]
|
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!15 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !16, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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||||
!16 = metadata !{null, metadata !17}
|
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!17 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A]
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!18 = metadata !{i32 786468}
|
||||
!19 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 5, metadata !20, i1 false, i1 false, i32 1, i32 1, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, metadata !24, i32 5} ; [ DW_TAG_subprogram ] [line 5] [getFoo]
|
||||
!20 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !21, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
|
||||
!21 = metadata !{metadata !22, metadata !17}
|
||||
!22 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !23} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from foo_t]
|
||||
!23 = metadata !{i32 786454, metadata !5, null, metadata !"foo_t", i32 1, i64 0, i64 0, i64 0, i32 0, metadata !13} ; [ DW_TAG_typedef ] [foo_t] [line 1, size 0, align 0, offset 0] [from int]
|
||||
!24 = metadata !{i32 786468}
|
||||
!25 = metadata !{metadata !26, metadata !28}
|
||||
!26 = metadata !{i32 786478, metadata !27, metadata !"_ZTS1A", metadata !"setFoo", metadata !"setFoo", metadata !"_ZN1A6setFooEv", i32 2, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%class.A*)* @_ZN1A6setFooEv, null, metadata !14, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [setFoo]
|
||||
!27 = metadata !{metadata !"b.cpp", metadata !""}
|
||||
!28 = metadata !{i32 786478, metadata !27, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 4, metadata !20, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (%class.A*)* @_ZN1A6getFooEv, null, metadata !19, metadata !2, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [getFoo]
|
||||
!29 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
|
||||
!30 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
|
||||
!31 = metadata !{metadata !"clang version 3.5 "}
|
||||
!32 = metadata !{i32 786689, metadata !26, metadata !"this", null, i32 16777216, metadata !33, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
|
||||
!33 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1A]
|
||||
!34 = metadata !{i32 0, i32 0, metadata !26, null}
|
||||
!35 = metadata !{i32 2, i32 0, metadata !26, null}
|
||||
!36 = metadata !{i32 786689, metadata !28, metadata !"this", null, i32 16777216, metadata !33, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
|
||||
!37 = metadata !{i32 0, i32 0, metadata !28, null}
|
||||
!38 = metadata !{i32 4, i32 0, metadata !28, null}
|
||||
Loading…
Reference in New Issue
Block a user