1; RUN: llc -O0 -filetype=obj < %s | llvm-dwarfdump - | FileCheck %s 2; Test that a variable with multiple entries in the MMI table makes it into the 3; debug info. 4; 5; CHECK: DW_TAG_inlined_subroutine 6; CHECK: "_Z3f111A" 7; CHECK: DW_TAG_formal_parameter 8; CHECK: DW_AT_location [DW_FORM_block1] (<0x0b> 91 51 9d 78 08 91 4a 9d 38 88 01 ) 9; -- fbreg -47, bit-piece 120 8 , fbreg -54, bit-piece 56 136 ------^ 10; CHECK: DW_AT_abstract_origin {{.*}} "p1" 11; 12; long a; 13; struct A { 14; bool x4; 15; void *x5; 16; bool x6; 17; }; 18; int *b; 19; struct B { 20; B(long); 21; ~B(); 22; }; 23; void f9(A); 24; void f13(A p1) { 25; b = (int *)__builtin_operator_new(a); 26; f9(p1); 27; } 28; void f11(A p1) { f13(p1); } 29; void f16() { 30; A c; 31; B d(a); 32; c.x6 = c.x4 = true; 33; f11(c); 34; } 35; ModuleID = 'test.cpp' 36target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" 37target triple = "aarch64-apple-ios" 38 39%struct.A = type { i8, i8*, i8 } 40%struct.B = type { i8 } 41 42@a = global i64 0, align 8 43@b = global i32* null, align 8 44 45define void @_Z3f131A(%struct.A* nocapture readonly %p1) #0 !dbg !25 { 46entry: 47 %agg.tmp = alloca %struct.A, align 8 48 tail call void @llvm.dbg.declare(metadata %struct.A* %p1, metadata !30, metadata !46), !dbg !47 49 %0 = load i64, i64* @a, align 8, !dbg !48, !tbaa !49 50 %call = tail call noalias i8* @_Znwm(i64 %0) #5, !dbg !53 51 store i8* %call, i8** bitcast (i32** @b to i8**), align 8, !dbg !54, !tbaa !55 52 %1 = getelementptr inbounds %struct.A, %struct.A* %agg.tmp, i64 0, i32 0, !dbg !57 53 %2 = getelementptr inbounds %struct.A, %struct.A* %p1, i64 0, i32 0, !dbg !57 54 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 24, i32 8, i1 false), !dbg !57, !tbaa.struct !58 55 call void @_Z2f91A(%struct.A* %agg.tmp), !dbg !61 56 ret void, !dbg !62 57} 58 59; Function Attrs: nounwind readnone 60declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 61 62; Function Attrs: nobuiltin 63declare noalias i8* @_Znwm(i64) #2 64 65declare void @_Z2f91A(%struct.A*) #0 66 67; Function Attrs: nounwind 68declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #3 69 70define void @_Z3f111A(%struct.A* nocapture readonly %p1) #0 !dbg !31 { 71entry: 72 %agg.tmp.i = alloca %struct.A, align 8 73 tail call void @llvm.dbg.declare(metadata %struct.A* %p1, metadata !33, metadata !46), !dbg !63 74 %0 = getelementptr inbounds %struct.A, %struct.A* %p1, i64 0, i32 0, !dbg !64 75 %1 = getelementptr inbounds %struct.A, %struct.A* %agg.tmp.i, i64 0, i32 0, !dbg !65 76 call void @llvm.lifetime.start(i64 24, i8* %1), !dbg !65 77 %2 = load i64, i64* @a, align 8, !dbg !67, !tbaa !49 78 %call.i = tail call noalias i8* @_Znwm(i64 %2) #5, !dbg !68 79 store i8* %call.i, i8** bitcast (i32** @b to i8**), align 8, !dbg !69, !tbaa !55 80 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %0, i64 24, i32 8, i1 false), !dbg !70 81 call void @_Z2f91A(%struct.A* %agg.tmp.i), !dbg !71 82 call void @llvm.lifetime.end(i64 24, i8* %1), !dbg !72 83 ret void, !dbg !73 84} 85 86define void @_Z3f16v() #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) !dbg !34 { 87entry: 88 %agg.tmp.i.i = alloca %struct.A, align 8 89 %d = alloca %struct.B, align 1 90 %agg.tmp.sroa.2 = alloca [15 x i8], align 1 91 %agg.tmp.sroa.4 = alloca [7 x i8], align 1 92 tail call void @llvm.dbg.declare(metadata [15 x i8]* %agg.tmp.sroa.2, metadata !74, metadata !76), !dbg !77 93 tail call void @llvm.dbg.declare(metadata [7 x i8]* %agg.tmp.sroa.4, metadata !74, metadata !78), !dbg !77 94 tail call void @llvm.dbg.declare(metadata %struct.A* undef, metadata !38, metadata !79), !dbg !80 95 %0 = load i64, i64* @a, align 8, !dbg !81, !tbaa !49 96 tail call void @llvm.dbg.value(metadata %struct.B* %d, i64 0, metadata !39, metadata !79), !dbg !82 97 %call = call %struct.B* @_ZN1BC1El(%struct.B* %d, i64 %0), !dbg !82 98 call void @llvm.dbg.value(metadata i8 1, i64 0, metadata !38, metadata !83), !dbg !80 99 call void @llvm.dbg.value(metadata i8 1, i64 0, metadata !38, metadata !84), !dbg !80 100 call void @llvm.dbg.value(metadata i8 1, i64 0, metadata !74, metadata !83), !dbg !77 101 call void @llvm.dbg.value(metadata i8 1, i64 0, metadata !74, metadata !84), !dbg !77 102 call void @llvm.dbg.declare(metadata %struct.A* undef, metadata !74, metadata !46), !dbg !77 103 %1 = getelementptr inbounds %struct.A, %struct.A* %agg.tmp.i.i, i64 0, i32 0, !dbg !85 104 call void @llvm.lifetime.start(i64 24, i8* %1), !dbg !85 105 %2 = load i64, i64* @a, align 8, !dbg !87, !tbaa !49 106 %call.i.i5 = invoke noalias i8* @_Znwm(i64 %2) #5 107 to label %call.i.i.noexc unwind label %lpad, !dbg !88 108 109call.i.i.noexc: ; preds = %entry 110 %agg.tmp.sroa.4.17..sroa_idx = getelementptr inbounds [7 x i8], [7 x i8]* %agg.tmp.sroa.4, i64 0, i64 0, !dbg !89 111 %agg.tmp.sroa.2.1..sroa_idx = getelementptr inbounds [15 x i8], [15 x i8]* %agg.tmp.sroa.2, i64 0, i64 0, !dbg !89 112 store i8* %call.i.i5, i8** bitcast (i32** @b to i8**), align 8, !dbg !90, !tbaa !55 113 store i8 1, i8* %1, align 8, !dbg !91 114 %agg.tmp.sroa.2.0..sroa_raw_idx = getelementptr inbounds i8, i8* %1, i64 1, !dbg !91 115 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %agg.tmp.sroa.2.0..sroa_raw_idx, i8* %agg.tmp.sroa.2.1..sroa_idx, i64 15, i32 1, i1 false), !dbg !91 116 %agg.tmp.sroa.3.0..sroa_idx = getelementptr inbounds %struct.A, %struct.A* %agg.tmp.i.i, i64 0, i32 2, !dbg !91 117 store i8 1, i8* %agg.tmp.sroa.3.0..sroa_idx, align 8, !dbg !91 118 %agg.tmp.sroa.4.0..sroa_raw_idx = getelementptr inbounds i8, i8* %1, i64 17, !dbg !91 119 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %agg.tmp.sroa.4.0..sroa_raw_idx, i8* %agg.tmp.sroa.4.17..sroa_idx, i64 7, i32 1, i1 false), !dbg !91 120 invoke void @_Z2f91A(%struct.A* %agg.tmp.i.i) 121 to label %invoke.cont unwind label %lpad, !dbg !92 122 123invoke.cont: ; preds = %call.i.i.noexc 124 call void @llvm.lifetime.end(i64 24, i8* %1), !dbg !93 125 call void @llvm.dbg.value(metadata %struct.B* %d, i64 0, metadata !39, metadata !79), !dbg !82 126 %call1 = call %struct.B* @_ZN1BD1Ev(%struct.B* %d) #3, !dbg !94 127 ret void, !dbg !94 128 129lpad: ; preds = %call.i.i.noexc, %entry 130 %3 = landingpad { i8*, i32 } 131 cleanup, !dbg !94 132 call void @llvm.dbg.value(metadata %struct.B* %d, i64 0, metadata !39, metadata !79), !dbg !82 133 %call2 = call %struct.B* @_ZN1BD1Ev(%struct.B* %d) #3, !dbg !94 134 resume { i8*, i32 } %3, !dbg !94 135} 136 137declare %struct.B* @_ZN1BC1El(%struct.B*, i64) 138 139declare i32 @__gxx_personality_v0(...) 140 141; Function Attrs: nounwind 142declare %struct.B* @_ZN1BD1Ev(%struct.B*) #4 143 144; Function Attrs: nounwind readnone 145declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 146 147; Function Attrs: nounwind 148declare void @llvm.lifetime.start(i64, i8* nocapture) #3 149 150; Function Attrs: nounwind 151declare void @llvm.lifetime.end(i64, i8* nocapture) #3 152 153attributes #1 = { nounwind readnone } 154attributes #2 = { nobuiltin } 155attributes #3 = { nounwind } 156attributes #4 = { nounwind } 157attributes #5 = { builtin } 158 159!llvm.dbg.cu = !{!0} 160!llvm.module.flags = !{!43, !44} 161!llvm.ident = !{!45} 162 163!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.7.0 ", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !24, globals: !40, imports: !2) 164!1 = !DIFile(filename: "<stdin>", directory: "") 165!2 = !{} 166!3 = !{!4, !12, !14} 167!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", line: 2, size: 192, align: 64, file: !5, elements: !6, identifier: "_ZTS1A") 168!5 = !DIFile(filename: "test.cpp", directory: "") 169!6 = !{!7, !9, !11} 170!7 = !DIDerivedType(tag: DW_TAG_member, name: "x4", line: 3, size: 8, align: 8, file: !5, scope: !"_ZTS1A", baseType: !8) 171!8 = !DIBasicType(tag: DW_TAG_base_type, name: "bool", size: 8, align: 8, encoding: DW_ATE_boolean) 172!9 = !DIDerivedType(tag: DW_TAG_member, name: "x5", line: 4, size: 64, align: 64, offset: 64, file: !5, scope: !"_ZTS1A", baseType: !10) 173!10 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: null) 174!11 = !DIDerivedType(tag: DW_TAG_member, name: "x6", line: 5, size: 8, align: 8, offset: 128, file: !5, scope: !"_ZTS1A", baseType: !8) 175!12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !13) 176!13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 177!14 = !DICompositeType(tag: DW_TAG_structure_type, name: "B", line: 8, size: 8, align: 8, file: !5, elements: !15, identifier: "_ZTS1B") 178!15 = !{!16, !21} 179!16 = !DISubprogram(name: "B", line: 9, isLocal: false, isDefinition: false, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 9, file: !5, scope: !"_ZTS1B", type: !17) 180!17 = !DISubroutineType(types: !18) 181!18 = !{null, !19, !20} 182!19 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1B") 183!20 = !DIBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed) 184!21 = !DISubprogram(name: "~B", line: 10, isLocal: false, isDefinition: false, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 10, file: !5, scope: !"_ZTS1B", type: !22) 185!22 = !DISubroutineType(types: !23) 186!23 = !{null, !19} 187!24 = !{!25, !31, !34} 188!25 = distinct !DISubprogram(name: "f13", linkageName: "_Z3f131A", line: 13, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 13, file: !5, scope: !26, type: !27, variables: !29) 189!26 = !DIFile(filename: "test.cpp", directory: "") 190!27 = !DISubroutineType(types: !28) 191!28 = !{null, !"_ZTS1A"} 192!29 = !{!30} 193!30 = !DILocalVariable(name: "p1", line: 13, arg: 1, scope: !25, file: !26, type: !"_ZTS1A") 194!31 = distinct !DISubprogram(name: "f11", linkageName: "_Z3f111A", line: 17, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 17, file: !5, scope: !26, type: !27, variables: !32) 195!32 = !{!33} 196!33 = !DILocalVariable(name: "p1", line: 17, arg: 1, scope: !31, file: !26, type: !"_ZTS1A") 197!34 = distinct !DISubprogram(name: "f16", linkageName: "_Z3f16v", line: 18, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 18, file: !5, scope: !26, type: !35, variables: !37) 198!35 = !DISubroutineType(types: !36) 199!36 = !{null} 200!37 = !{!38, !39} 201!38 = !DILocalVariable(name: "c", line: 19, scope: !34, file: !26, type: !"_ZTS1A") 202!39 = !DILocalVariable(name: "d", line: 20, scope: !34, file: !26, type: !"_ZTS1B") 203!40 = !{!41, !42} 204!41 = !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !26, type: !20, variable: i64* @a) 205!42 = !DIGlobalVariable(name: "b", line: 7, isLocal: false, isDefinition: true, scope: null, file: !26, type: !12, variable: i32** @b) 206!43 = !{i32 2, !"Dwarf Version", i32 2} 207!44 = !{i32 2, !"Debug Info Version", i32 3} 208!45 = !{!"clang version 3.7.0 "} 209!46 = !DIExpression(DW_OP_deref) 210!47 = !DILocation(line: 13, column: 12, scope: !25) 211!48 = !DILocation(line: 14, column: 37, scope: !25) 212!49 = !{!50, !50, i64 0} 213!50 = !{!"long", !51, i64 0} 214!51 = !{!"omnipotent char", !52, i64 0} 215!52 = !{!"Simple C/C++ TBAA"} 216!53 = !DILocation(line: 14, column: 14, scope: !25) 217!54 = !DILocation(line: 14, column: 5, scope: !25) 218!55 = !{!56, !56, i64 0} 219!56 = !{!"any pointer", !51, i64 0} 220!57 = !DILocation(line: 15, column: 6, scope: !25) 221!58 = !{i64 0, i64 1, !59, i64 8, i64 8, !55, i64 16, i64 1, !59} 222!59 = !{!60, !60, i64 0} 223!60 = !{!"bool", !51, i64 0} 224!61 = !DILocation(line: 15, column: 3, scope: !25) 225!62 = !DILocation(line: 16, column: 1, scope: !25) 226!63 = !DILocation(line: 17, column: 12, scope: !31) 227!64 = !DILocation(line: 17, column: 22, scope: !31) 228!65 = !DILocation(line: 13, column: 12, scope: !25, inlinedAt: !66) 229!66 = distinct !DILocation(line: 17, column: 18, scope: !31) 230!67 = !DILocation(line: 14, column: 37, scope: !25, inlinedAt: !66) 231!68 = !DILocation(line: 14, column: 14, scope: !25, inlinedAt: !66) 232!69 = !DILocation(line: 14, column: 5, scope: !25, inlinedAt: !66) 233!70 = !DILocation(line: 15, column: 6, scope: !25, inlinedAt: !66) 234!71 = !DILocation(line: 15, column: 3, scope: !25, inlinedAt: !66) 235!72 = !DILocation(line: 16, column: 1, scope: !25, inlinedAt: !66) 236!73 = !DILocation(line: 17, column: 27, scope: !31) 237!74 = !DILocalVariable(name: "p1", line: 17, arg: 1, scope: !31, file: !26, type: !"_ZTS1A") 238!75 = distinct !DILocation(line: 22, column: 3, scope: !34) 239!76 = !DIExpression(DW_OP_bit_piece, 8, 120) 240!77 = !DILocation(line: 17, column: 12, scope: !31, inlinedAt: !75) 241!78 = !DIExpression(DW_OP_bit_piece, 136, 56) 242!79 = !DIExpression() 243!80 = !DILocation(line: 19, column: 5, scope: !34) 244!81 = !DILocation(line: 20, column: 7, scope: !34) 245!82 = !DILocation(line: 20, column: 5, scope: !34) 246!83 = !DIExpression(DW_OP_bit_piece, 0, 8) 247!84 = !DIExpression(DW_OP_bit_piece, 128, 8) 248!85 = !DILocation(line: 13, column: 12, scope: !25, inlinedAt: !86) 249!86 = distinct !DILocation(line: 17, column: 18, scope: !31, inlinedAt: !75) 250!87 = !DILocation(line: 14, column: 37, scope: !25, inlinedAt: !86) 251!88 = !DILocation(line: 14, column: 14, scope: !25, inlinedAt: !86) 252!89 = !DILocation(line: 22, column: 7, scope: !34) 253!90 = !DILocation(line: 14, column: 5, scope: !25, inlinedAt: !86) 254!91 = !DILocation(line: 15, column: 6, scope: !25, inlinedAt: !86) 255!92 = !DILocation(line: 15, column: 3, scope: !25, inlinedAt: !86) 256!93 = !DILocation(line: 16, column: 1, scope: !25, inlinedAt: !86) 257!94 = !DILocation(line: 23, column: 1, scope: !34) 258