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7e1a3830ca
based on the ODR. This adds an OdrMemberMap to DwarfDebug which is used to unique C++ member function declarations based on the unique identifier of their containing class and their mangled name. We can't use the usual DIRef mechanism here because DIScopes are indexed using their entire MDNode, including decl_file and decl_line, which need not be unique (see testcase). Prior to this change multiple redundant member function declarations would end up in the same uniqued DW_TAG_class_type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203982 91177308-0d34-0410-b5e6-96231b3b80d8
87 lines
5.1 KiB
LLVM
87 lines
5.1 KiB
LLVM
; RUN: true
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; This file belongs to type-unique-odr-a.ll.
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;
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; Test ODR-based type uniquing for C++ class members.
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; rdar://problem/15851313.
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;
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; $ cat -n type-unique-odr-b.cpp
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; 1 // Make this declaration start on a different line.
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; 2 class A {
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; 3 int data;
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; 4 protected:
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; 5 void getFoo();
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; 6 };
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; 7
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; 8 void A::getFoo() {}
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; 9
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; 10 static void bar() {}
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; 11 void f() { bar(); };
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; ModuleID = 'type-unique-odr-b.cpp'
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%class.A = type { i32 }
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; Function Attrs: nounwind
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define void @_ZN1A6getFooEv(%class.A* %this) #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 !24), !dbg !26
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%this1 = load %class.A** %this.addr
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ret void, !dbg !27
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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 void @_Z1fv() #0 {
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entry:
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call void @_ZL3barv(), !dbg !28
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ret void, !dbg !28
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}
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; Function Attrs: nounwind
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define internal void @_ZL3barv() #0 {
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entry:
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ret void, !dbg !29
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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 = !{!21, !22}
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!llvm.ident = !{!23}
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!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !14, metadata !2, metadata !2, metadata !"", i32 1} ; [ 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 !{}
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!3 = metadata !{metadata !4}
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!4 = metadata !{i32 786434, metadata !5, null, metadata !"A", i32 2, i64 32, i64 32, i32 0, i32 0, null, metadata !6, i32 0, null, null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 2, size 32, align 32, offset 0] [def] [from ]
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!5 = metadata !{metadata !"type-unique-odr-b.cpp", metadata !""}
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!6 = metadata !{metadata !7, metadata !9}
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!7 = metadata !{i32 786445, metadata !5, metadata !"_ZTS1A", metadata !"data", i32 3, i64 32, i64 32, i64 0, i32 1, metadata !8} ; [ DW_TAG_member ] [data] [line 3, size 32, align 32, offset 0] [private] [from int]
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!8 = 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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!9 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 5, metadata !10, i1 false, i1 false, i32 0, i32 0, null, i32 258, i1 false, null, null, i32 0, metadata !13, i32 5} ; [ DW_TAG_subprogram ] [line 5] [protected] [getFoo]
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!10 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !11, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!11 = metadata !{null, metadata !12}
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!12 = 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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!13 = metadata !{i32 786468}
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!14 = metadata !{metadata !15, metadata !16, metadata !20}
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!15 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 8, metadata !10, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%class.A*)* @_ZN1A6getFooEv, null, metadata !9, metadata !2, i32 8} ; [ DW_TAG_subprogram ] [line 8] [def] [getFoo]
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!16 = metadata !{i32 786478, metadata !5, metadata !17, metadata !"f", metadata !"f", metadata !"_Z1fv", i32 11, metadata !18, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z1fv, null, null, metadata !2, i32 11} ; [ DW_TAG_subprogram ] [line 11] [def] [f]
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!17 = metadata !{i32 786473, metadata !5} ; [ DW_TAG_file_type ] [type-unique-odr-b.cpp]
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!18 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !19, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!19 = metadata !{null}
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!20 = metadata !{i32 786478, metadata !5, metadata !17, metadata !"bar", metadata !"bar", metadata !"_ZL3barv", i32 10, metadata !18, i1 true, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_ZL3barv, null, null, metadata !2, i32 10} ; [ DW_TAG_subprogram ] [line 10] [local] [def] [bar]
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!21 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
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!22 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
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!23 = metadata !{metadata !"clang version 3.5.0 "}
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!24 = metadata !{i32 786689, metadata !15, metadata !"this", null, i32 16777216, metadata !25, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
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!25 = 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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!26 = metadata !{i32 0, i32 0, metadata !15, null}
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!27 = metadata !{i32 8, i32 0, metadata !15, null} ; [ DW_TAG_imported_declaration ]
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!28 = metadata !{i32 11, i32 0, metadata !16, null}
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!29 = metadata !{i32 10, i32 0, metadata !20, null}
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