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https://github.com/c64scene-ar/llvm-6502.git
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d397a52305
Fix testcases that don't pass the verifier after a WIP patch to check
`MDSubprogram` operands more effectively. I found the following issues:
- When `isDefinition: false`, the `variables:` field might point at
`!{i32 786468}`, or at a tuple that pointed at an empty tuple with
the comment "previously: invalid DW_TAG_base_type" (I vaguely recall
adding those comments during an upgrade script). In these cases, I
just dropped the array.
- The `variables:` field might point at something like `!{!{!8}}`,
where `!8` was an `MDLocation`. I removed the extra layer of
indirection.
- Invalid `type:` (not an `MDSubroutineType`).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233466 91177308-0d34-0410-b5e6-96231b3b80d8
86 lines
3.9 KiB
LLVM
86 lines
3.9 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, metadata !MDExpression()), !dbg !26
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%this1 = load %class.A*, %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, 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 = !MDCompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !14, globals: !2, imports: !2)
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!1 = !MDFile(filename: "<unknown>", directory: "")
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!2 = !{}
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!3 = !{!4}
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!4 = !MDCompositeType(tag: DW_TAG_class_type, name: "A", line: 2, size: 32, align: 32, file: !5, elements: !6, identifier: "_ZTS1A")
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!5 = !MDFile(filename: "type-unique-odr-b.cpp", directory: "")
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!6 = !{!7, !9}
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!7 = !MDDerivedType(tag: DW_TAG_member, name: "data", line: 3, size: 32, align: 32, flags: DIFlagPrivate, file: !5, scope: !"_ZTS1A", baseType: !8)
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!8 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!9 = !MDSubprogram(name: "getFoo", linkageName: "_ZN1A6getFooEv", line: 5, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagProtected | DIFlagPrototyped, isOptimized: false, scopeLine: 5, file: !5, scope: !"_ZTS1A", type: !10)
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!10 = !MDSubroutineType(types: !11)
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!11 = !{null, !12}
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!12 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1A")
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!14 = !{!15, !16, !20}
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!15 = !MDSubprogram(name: "getFoo", linkageName: "_ZN1A6getFooEv", line: 8, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 8, file: !5, scope: !"_ZTS1A", type: !10, function: void (%class.A*)* @_ZN1A6getFooEv, declaration: !9, variables: !2)
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!16 = !MDSubprogram(name: "f", linkageName: "_Z1fv", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 11, file: !5, scope: !17, type: !18, function: void ()* @_Z1fv, variables: !2)
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!17 = !MDFile(filename: "type-unique-odr-b.cpp", directory: "")
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!18 = !MDSubroutineType(types: !19)
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!19 = !{null}
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!20 = !MDSubprogram(name: "bar", linkageName: "_ZL3barv", line: 10, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 10, file: !5, scope: !17, type: !18, function: void ()* @_ZL3barv, variables: !2)
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!21 = !{i32 2, !"Dwarf Version", i32 4}
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!22 = !{i32 1, !"Debug Info Version", i32 3}
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!23 = !{!"clang version 3.5.0 "}
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!24 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !15, type: !25)
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!25 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !"_ZTS1A")
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!26 = !MDLocation(line: 0, scope: !15)
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!27 = !MDLocation(line: 8, scope: !15)
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!28 = !MDLocation(line: 11, scope: !16)
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!29 = !MDLocation(line: 10, scope: !20)
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