1 ; REQUIRES: default_triple, object-emission 2 ; 3 ; RUN: llvm-link %s %p/type-unique-type-array-b.ll -S -o - | %llc_dwarf -filetype=obj -O0 | llvm-dwarfdump -debug-dump=info - | FileCheck %s 4 ; 5 ; rdar://problem/17628609 6 ; 7 ; cat -n a.cpp 8 ; 1 struct SA { 9 ; 2 int a; 10 ; 3 }; 11 ; 4 12 ; 5 class A { 13 ; 6 public: 14 ; 7 void testA(SA a) { 15 ; 8 } 16 ; 9 }; 17 ; 10 18 ; 11 void topA(A *a, SA sa) { 19 ; 12 a->testA(sa); 20 ; 13 } 21 ; 22 ; CHECK: DW_TAG_compile_unit 23 ; CHECK: DW_TAG_class_type 24 ; CHECK-NEXT: DW_AT_name {{.*}} "A" 25 ; CHECK: DW_TAG_subprogram 26 ; CHECK: DW_AT_name {{.*}} "testA" 27 ; CHECK: DW_TAG_formal_parameter 28 ; CHECK: DW_TAG_formal_parameter 29 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{.*}} => {0x[[STRUCT:.*]]}) 30 ; CHECK: 0x[[STRUCT]]: DW_TAG_structure_type 31 ; CHECK-NEXT: DW_AT_name {{.*}} "SA" 32 33 ; CHECK: DW_TAG_compile_unit 34 ; CHECK: DW_TAG_class_type 35 ; CHECK-NEXT: DW_AT_name {{.*}} "B" 36 ; CHECK: DW_TAG_subprogram 37 ; CHECK: DW_AT_name {{.*}} "testB" 38 ; CHECK: DW_TAG_formal_parameter 39 ; CHECK: DW_TAG_formal_parameter 40 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[STRUCT]] 41 42 %class.A = type { i8 } 43 %struct.SA = type { i32 } 44 45 ; Function Attrs: ssp uwtable 46 define void @_Z4topAP1A2SA(%class.A* %a, i32 %sa.coerce) #0 !dbg !15 { 47 entry: 48 %sa = alloca %struct.SA, align 4 49 %a.addr = alloca %class.A*, align 8 50 %agg.tmp = alloca %struct.SA, align 4 51 %coerce.dive = getelementptr %struct.SA, %struct.SA* %sa, i32 0, i32 0 52 store i32 %sa.coerce, i32* %coerce.dive 53 store %class.A* %a, %class.A** %a.addr, align 8 54 call void @llvm.dbg.declare(metadata %class.A** %a.addr, metadata !24, metadata !DIExpression()), !dbg !25 55 call void @llvm.dbg.declare(metadata %struct.SA* %sa, metadata !26, metadata !DIExpression()), !dbg !27 56 %0 = load %class.A*, %class.A** %a.addr, align 8, !dbg !28 57 %1 = bitcast %struct.SA* %agg.tmp to i8*, !dbg !28 58 %2 = bitcast %struct.SA* %sa to i8*, !dbg !28 59 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 4, i32 4, i1 false), !dbg !28 60 %coerce.dive1 = getelementptr %struct.SA, %struct.SA* %agg.tmp, i32 0, i32 0, !dbg !28 61 %3 = load i32, i32* %coerce.dive1, !dbg !28 62 call void @_ZN1A5testAE2SA(%class.A* %0, i32 %3), !dbg !28 63 ret void, !dbg !29 64 } 65 66 ; Function Attrs: nounwind readnone 67 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 68 69 ; Function Attrs: nounwind ssp uwtable 70 define linkonce_odr void @_ZN1A5testAE2SA(%class.A* %this, i32 %a.coerce) #2 align 2 !dbg !20 { 71 entry: 72 %a = alloca %struct.SA, align 4 73 %this.addr = alloca %class.A*, align 8 74 %coerce.dive = getelementptr %struct.SA, %struct.SA* %a, i32 0, i32 0 75 store i32 %a.coerce, i32* %coerce.dive 76 store %class.A* %this, %class.A** %this.addr, align 8 77 call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !30, metadata !DIExpression()), !dbg !31 78 call void @llvm.dbg.declare(metadata %struct.SA* %a, metadata !32, metadata !DIExpression()), !dbg !33 79 %this1 = load %class.A*, %class.A** %this.addr 80 ret void, !dbg !34 81 } 82 83 ; Function Attrs: nounwind 84 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #3 85 86 attributes #0 = { ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 87 attributes #1 = { nounwind readnone } 88 attributes #2 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 89 attributes #3 = { nounwind } 90 91 !llvm.dbg.cu = !{!0} 92 !llvm.module.flags = !{!21, !22} 93 !llvm.ident = !{!23} 94 95 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (trunk 214102:214113M) (llvm/trunk 214102:214115M)", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2) 96 !1 = !DIFile(filename: "a.cpp", directory: "/Users/manmanren/test-Nov/type_unique/rdar_di_array") 97 !2 = !{} 98 !3 = !{!4, !10} 99 !4 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 5, file: !1, elements: !5, identifier: "_ZTS1A") 100 !5 = !{!6} 101 !6 = !DISubprogram(name: "testA", linkageName: "_ZN1A5testAE2SA", line: 7, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 7, file: !1, scope: !4, type: !7) 102 !7 = !DISubroutineType(types: !8) 103 !8 = !{null, !9, !10} 104 !9 = !DIDerivedType(tag: DW_TAG_pointer_type, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !4) 105 !10 = !DICompositeType(tag: DW_TAG_structure_type, name: "SA", line: 1, size: 32, align: 32, file: !1, elements: !11, identifier: "_ZTS2SA") 106 !11 = !{!12} 107 !12 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 2, size: 32, align: 32, file: !1, scope: !10, baseType: !13) 108 !13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 109 !15 = distinct !DISubprogram(name: "topA", linkageName: "_Z4topAP1A2SA", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 11, file: !1, scope: !16, type: !17, variables: !2) 110 !16 = !DIFile(filename: "a.cpp", directory: "/Users/manmanren/test-Nov/type_unique/rdar_di_array") 111 !17 = !DISubroutineType(types: !18) 112 !18 = !{null, !19, !10} 113 !19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4) 114 !20 = distinct !DISubprogram(name: "testA", linkageName: "_ZN1A5testAE2SA", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 7, file: !1, scope: !4, type: !7, declaration: !6, variables: !2) 115 !21 = !{i32 2, !"Dwarf Version", i32 2} 116 !22 = !{i32 2, !"Debug Info Version", i32 3} 117 !23 = !{!"clang version 3.5.0 (trunk 214102:214113M) (llvm/trunk 214102:214115M)"} 118 !24 = !DILocalVariable(name: "a", line: 11, arg: 1, scope: !15, file: !16, type: !19) 119 !25 = !DILocation(line: 11, column: 14, scope: !15) 120 !26 = !DILocalVariable(name: "sa", line: 11, arg: 2, scope: !15, file: !16, type: !10) 121 !27 = !DILocation(line: 11, column: 20, scope: !15) 122 !28 = !DILocation(line: 12, column: 3, scope: !15) 123 !29 = !DILocation(line: 13, column: 1, scope: !15) 124 !30 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !20, type: !19) 125 !31 = !DILocation(line: 0, scope: !20) 126 !32 = !DILocalVariable(name: "a", line: 7, arg: 2, scope: !20, file: !16, type: !10) 127 !33 = !DILocation(line: 7, column: 17, scope: !20) 128 !34 = !DILocation(line: 8, column: 3, scope: !20) 129
