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1; RUN: opt %s -S -passes=sroa -o - | FileCheck %s2 3;; $ cat test.cpp4;; class a {5;; protected:6;; float b[4];7;; };8;; float c;9;; class d : a {10;; public:11;; d() { b[3] = c; }12;; void e() {}13;; };14;; d f();15;; void g() {16;; d j = f(), h = j, i = h;17;; i.e();18;; i = d();19;; }20;;21;; Generated by grabbing IR before sroa in:22;; $ clang++ -O2 -g -c test.cpp -Xclang -fexperimental-assignment-tracking23 24;; Check that the dbg.assign value is scalar rather than a vector value because25;; we don't have a way of indexing a vector from within a26;; dbg.assign/DIExpression. Ensure that only the value-expression gets fragment27;; info; that the address-expression remains untouched.28 29; CHECK: %i.sroa.2.12.vec.insert = insertelement <2 x float> %i.sroa.2.0.vec.insert, float %2, i32 1, !dbg30;; There's a few dbg intrinsics we're not interested in testing wedged in here.31; CHECK-NEXT: #dbg_value32; CHECK-NEXT: #dbg_value33; CHECK-NEXT: #dbg_value(float %2,{{.+}}, !DIExpression(DW_OP_LLVM_fragment, 96, 32),34 35%class.d = type { %class.a }36%class.a = type { [4 x float] }37 38$_ZN1d1eEv = comdat any39 40$_ZN1dC2Ev = comdat any41 42@c = dso_local local_unnamed_addr global float 0.000000e+00, align 4, !dbg !043 44; Function Attrs: uwtable45define dso_local void @_Z1gv() local_unnamed_addr #0 !dbg !11 {46entry:47 call void @llvm.dbg.assign(metadata i1 undef, metadata !15, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64), metadata !32, metadata ptr undef, metadata !DIExpression()), !dbg !3348 call void @llvm.dbg.assign(metadata i1 undef, metadata !15, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64), metadata !34, metadata ptr undef, metadata !DIExpression()), !dbg !3349 call void @llvm.dbg.assign(metadata i1 undef, metadata !30, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64), metadata !35, metadata ptr undef, metadata !DIExpression()), !dbg !3350 call void @llvm.dbg.assign(metadata i1 undef, metadata !30, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64), metadata !36, metadata ptr undef, metadata !DIExpression()), !dbg !3351 %i = alloca %class.d, align 8, !DIAssignID !3752 call void @llvm.dbg.assign(metadata i1 undef, metadata !31, metadata !DIExpression(), metadata !37, metadata ptr %i, metadata !DIExpression()), !dbg !3353 %ref.tmp = alloca %class.d, align 454 %call = call { <2 x float>, <2 x float> } @_Z1fv(), !dbg !3855 %0 = extractvalue { <2 x float>, <2 x float> } %call, 0, !dbg !3856 call void @llvm.dbg.assign(metadata <2 x float> %0, metadata !15, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64), metadata !39, metadata ptr undef, metadata !DIExpression()), !dbg !3357 %1 = extractvalue { <2 x float>, <2 x float> } %call, 1, !dbg !3858 call void @llvm.dbg.assign(metadata <2 x float> %1, metadata !15, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64), metadata !40, metadata ptr undef, metadata !DIExpression()), !dbg !3359 call void @llvm.dbg.assign(metadata <2 x float> %0, metadata !30, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64), metadata !41, metadata ptr undef, metadata !DIExpression()), !dbg !3360 call void @llvm.dbg.assign(metadata <2 x float> %1, metadata !30, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64), metadata !42, metadata ptr undef, metadata !DIExpression()), !dbg !3361 %2 = bitcast ptr %i to ptr, !dbg !4362 %h.sroa.0.sroa.0.0.h.sroa.0.0..sroa_cast4.sroa_cast = bitcast ptr %i to ptr, !dbg !4463 store <2 x float> %0, ptr %h.sroa.0.sroa.0.0.h.sroa.0.0..sroa_cast4.sroa_cast, align 8, !dbg !44, !DIAssignID !4564 call void @llvm.dbg.assign(metadata <2 x float> %0, metadata !31, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64), metadata !45, metadata ptr %h.sroa.0.sroa.0.0.h.sroa.0.0..sroa_cast4.sroa_cast, metadata !DIExpression()), !dbg !3365 %h.sroa.0.sroa.4.0.h.sroa.0.0..sroa_cast4.sroa_idx13 = getelementptr inbounds %class.d, ptr %i, i64 0, i32 0, i32 0, i64 2, !dbg !4466 %h.sroa.0.sroa.4.0.h.sroa.0.0..sroa_cast4.sroa_cast = bitcast ptr %h.sroa.0.sroa.4.0.h.sroa.0.0..sroa_cast4.sroa_idx13 to ptr, !dbg !4467 store <2 x float> %1, ptr %h.sroa.0.sroa.4.0.h.sroa.0.0..sroa_cast4.sroa_cast, align 8, !dbg !44, !DIAssignID !4668 call void @llvm.dbg.assign(metadata <2 x float> %1, metadata !31, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64), metadata !46, metadata ptr %h.sroa.0.sroa.4.0.h.sroa.0.0..sroa_cast4.sroa_cast, metadata !DIExpression()), !dbg !3369 call void @llvm.dbg.assign(metadata i1 undef, metadata !47, metadata !DIExpression(), metadata !51, metadata ptr undef, metadata !DIExpression()), !dbg !5270 call void @llvm.dbg.assign(metadata ptr %i, metadata !47, metadata !DIExpression(), metadata !54, metadata ptr undef, metadata !DIExpression()), !dbg !5271 %3 = bitcast ptr %ref.tmp to ptr, !dbg !5572 call void @llvm.dbg.assign(metadata i1 undef, metadata !56, metadata !DIExpression(), metadata !59, metadata ptr undef, metadata !DIExpression()), !dbg !6073 call void @llvm.dbg.assign(metadata ptr %ref.tmp, metadata !56, metadata !DIExpression(), metadata !62, metadata ptr undef, metadata !DIExpression()), !dbg !6074 %4 = load float, ptr @c, align 4, !dbg !6375 %arrayidx.i = getelementptr inbounds %class.d, ptr %ref.tmp, i64 0, i32 0, i32 0, i64 3, !dbg !6976 store float %4, ptr %arrayidx.i, align 4, !dbg !7077 call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 8 dereferenceable(16) %2, ptr nonnull align 4 dereferenceable(16) %3, i64 16, i1 false), !dbg !71, !DIAssignID !7278 call void @llvm.dbg.assign(metadata i1 undef, metadata !31, metadata !DIExpression(), metadata !72, metadata ptr %2, metadata !DIExpression()), !dbg !3379 ret void, !dbg !7480}81 82declare !dbg !75 dso_local { <2 x float>, <2 x float> } @_Z1fv() local_unnamed_addr #283 84; Function Attrs: argmemonly nofree nosync nounwind willreturn85declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #186 87; Function Attrs: nounwind uwtable88define linkonce_odr dso_local void @_ZN1d1eEv(ptr %this) local_unnamed_addr #3 comdat align 2 !dbg !48 {89entry:90 call void @llvm.dbg.assign(metadata i1 undef, metadata !47, metadata !DIExpression(), metadata !78, metadata ptr undef, metadata !DIExpression()), !dbg !7991 call void @llvm.dbg.assign(metadata ptr %this, metadata !47, metadata !DIExpression(), metadata !80, metadata ptr undef, metadata !DIExpression()), !dbg !7992 ret void, !dbg !8193}94 95; Function Attrs: nounwind uwtable96define linkonce_odr dso_local void @_ZN1dC2Ev(ptr %this) unnamed_addr #3 comdat align 2 !dbg !57 {97entry:98 call void @llvm.dbg.assign(metadata i1 undef, metadata !56, metadata !DIExpression(), metadata !82, metadata ptr undef, metadata !DIExpression()), !dbg !8399 call void @llvm.dbg.assign(metadata ptr %this, metadata !56, metadata !DIExpression(), metadata !84, metadata ptr undef, metadata !DIExpression()), !dbg !83100 %0 = load float, ptr @c, align 4, !dbg !85101 %arrayidx = getelementptr inbounds %class.d, ptr %this, i64 0, i32 0, i32 0, i64 3, !dbg !86102 store float %0, ptr %arrayidx, align 4, !dbg !87103 ret void, !dbg !88104}105 106declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata) #4107 108!llvm.dbg.cu = !{!2}109!llvm.module.flags = !{!7, !8, !9, !1000}110!llvm.ident = !{!10}111 112!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())113!1 = distinct !DIGlobalVariable(name: "c", scope: !2, file: !3, line: 5, type: !6, isLocal: false, isDefinition: true)114!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 12.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, splitDebugInlining: false, nameTableKind: None)115!3 = !DIFile(filename: "test.cpp", directory: "/")116!4 = !{}117!5 = !{!0}118!6 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float)119!7 = !{i32 7, !"Dwarf Version", i32 4}120!8 = !{i32 2, !"Debug Info Version", i32 3}121!9 = !{i32 1, !"wchar_size", i32 4}122!10 = !{!"clang version 12.0.0"}123!11 = distinct !DISubprogram(name: "g", linkageName: "_Z1gv", scope: !3, file: !3, line: 12, type: !12, scopeLine: 12, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !14)124!12 = !DISubroutineType(types: !13)125!13 = !{null}126!14 = !{!15, !30, !31}127!15 = !DILocalVariable(name: "j", scope: !11, file: !3, line: 13, type: !16)128!16 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "d", file: !3, line: 6, size: 128, flags: DIFlagTypePassByValue | DIFlagNonTrivial, elements: !17, identifier: "_ZTS1d")129!17 = !{!18, !25, !29}130!18 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !16, baseType: !19, extraData: i32 0)131!19 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "a", file: !3, line: 1, size: 128, flags: DIFlagTypePassByValue, elements: !20, identifier: "_ZTS1a")132!20 = !{!21}133!21 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !19, file: !3, line: 3, baseType: !22, size: 128, flags: DIFlagProtected)134!22 = !DICompositeType(tag: DW_TAG_array_type, baseType: !6, size: 128, elements: !23)135!23 = !{!24}136!24 = !DISubrange(count: 4)137!25 = !DISubprogram(name: "d", scope: !16, file: !3, line: 8, type: !26, scopeLine: 8, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized)138!26 = !DISubroutineType(types: !27)139!27 = !{null, !28}140!28 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)141!29 = !DISubprogram(name: "e", linkageName: "_ZN1d1eEv", scope: !16, file: !3, line: 9, type: !26, scopeLine: 9, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized)142!30 = !DILocalVariable(name: "h", scope: !11, file: !3, line: 13, type: !16)143!31 = !DILocalVariable(name: "i", scope: !11, file: !3, line: 13, type: !16)144!32 = distinct !DIAssignID()145!33 = !DILocation(line: 0, scope: !11)146!34 = distinct !DIAssignID()147!35 = distinct !DIAssignID()148!36 = distinct !DIAssignID()149!37 = distinct !DIAssignID()150!38 = !DILocation(line: 13, column: 9, scope: !11)151!39 = distinct !DIAssignID()152!40 = distinct !DIAssignID()153!41 = distinct !DIAssignID()154!42 = distinct !DIAssignID()155!43 = !DILocation(line: 13, column: 3, scope: !11)156!44 = !DILocation(line: 13, column: 25, scope: !11)157!45 = distinct !DIAssignID()158!46 = distinct !DIAssignID()159!47 = !DILocalVariable(name: "this", arg: 1, scope: !48, type: !50, flags: DIFlagArtificial | DIFlagObjectPointer)160!48 = distinct !DISubprogram(name: "e", linkageName: "_ZN1d1eEv", scope: !16, file: !3, line: 9, type: !26, scopeLine: 9, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, declaration: !29, retainedNodes: !49)161!49 = !{!47}162!50 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64)163!51 = distinct !DIAssignID()164!52 = !DILocation(line: 0, scope: !48, inlinedAt: !53)165!53 = distinct !DILocation(line: 14, column: 5, scope: !11)166!54 = distinct !DIAssignID()167!55 = !DILocation(line: 15, column: 7, scope: !11)168!56 = !DILocalVariable(name: "this", arg: 1, scope: !57, type: !50, flags: DIFlagArtificial | DIFlagObjectPointer)169!57 = distinct !DISubprogram(name: "d", linkageName: "_ZN1dC2Ev", scope: !16, file: !3, line: 8, type: !26, scopeLine: 8, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, declaration: !25, retainedNodes: !58)170!58 = !{!56}171!59 = distinct !DIAssignID()172!60 = !DILocation(line: 0, scope: !57, inlinedAt: !61)173!61 = distinct !DILocation(line: 15, column: 7, scope: !11)174!62 = distinct !DIAssignID()175!63 = !DILocation(line: 8, column: 16, scope: !64, inlinedAt: !61)176!64 = distinct !DILexicalBlock(scope: !57, file: !3, line: 8, column: 7)177!69 = !DILocation(line: 8, column: 9, scope: !64, inlinedAt: !61)178!70 = !DILocation(line: 8, column: 14, scope: !64, inlinedAt: !61)179!71 = !DILocation(line: 15, column: 5, scope: !11)180!72 = distinct !DIAssignID()181!73 = !DILocation(line: 15, column: 3, scope: !11)182!74 = !DILocation(line: 16, column: 1, scope: !11)183!75 = !DISubprogram(name: "f", linkageName: "_Z1fv", scope: !3, file: !3, line: 11, type: !76, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !4)184!76 = !DISubroutineType(types: !77)185!77 = !{!16}186!78 = distinct !DIAssignID()187!79 = !DILocation(line: 0, scope: !48)188!80 = distinct !DIAssignID()189!81 = !DILocation(line: 9, column: 13, scope: !48)190!82 = distinct !DIAssignID()191!83 = !DILocation(line: 0, scope: !57)192!84 = distinct !DIAssignID()193!85 = !DILocation(line: 8, column: 16, scope: !64)194!86 = !DILocation(line: 8, column: 9, scope: !64)195!87 = !DILocation(line: 8, column: 14, scope: !64)196!88 = !DILocation(line: 8, column: 19, scope: !57)197 198!1000 = !{i32 7, !"debug-info-assignment-tracking", i1 true}199