47 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; struct A {
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;   void foo();
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; };
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;  
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; void (A::*p)() = &A::foo;
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;
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; RUN: llc -filetype=obj -o - %s | llvm-dwarfdump -debug-info - | FileCheck %s
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; Check that the member function pointer is emitted without a DW_AT_size attribute.
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; CHECK: DW_TAG_ptr_to_member_type
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; CHECK-NOT: DW_AT_{{.*}}size
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; CHECK: DW_TAG
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;
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; ModuleID = 'memberfnptr.cpp'
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source_filename = "test/DebugInfo/X86/memberfnptr.ll"
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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-macosx"
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%struct.A = type { i8 }
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@p = global { i64, i64 } { i64 ptrtoint (void (%struct.A*)* @_ZN1A3fooEv to i64), i64 0 }, align 8, !dbg !0
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declare void @_ZN1A3fooEv(%struct.A*)
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!llvm.dbg.cu = !{!10}
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!llvm.module.flags = !{!14, !15, !16}
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!llvm.ident = !{!17}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "p", scope: null, file: !2, line: 5, type: !3, isLocal: false, isDefinition: true)
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!2 = !DIFile(filename: "memberfnptr.cpp", directory: "")
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!3 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !4, size: 64, extraData: !7)
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!4 = !DISubroutineType(types: !5)
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!5 = !{null, !6}
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!6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
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!7 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", file: !2, line: 1, size: 8, align: 8, elements: !8, identifier: "_ZTS1A")
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!8 = !{!9}
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!9 = !DISubprogram(name: "foo", linkageName: "_ZN1A3fooEv", scope: !7, file: !2, line: 2, type: !4, isLocal: false, isDefinition: false, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false)
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!10 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 3.6.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !11, retainedTypes: !12, globals: !13, imports: !11)
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!11 = !{}
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!12 = !{!7}
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!13 = !{!0}
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!14 = !{i32 2, !"Dwarf Version", i32 2}
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!15 = !{i32 2, !"Debug Info Version", i32 3}
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!16 = !{i32 1, !"PIC Level", i32 2}
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!17 = !{!"clang version 3.6.0 "}
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