; RUN: opt %s -S -passes=sroa -o - | FileCheck %s ; RUN: opt --try-experimental-debuginfo-iterators %s -S -passes=sroa -o - | FileCheck %s ;; $ cat test.cpp ;; class a { ;; protected: ;; float b[4]; ;; }; ;; float c; ;; class d : a { ;; public: ;; d() { b[3] = c; } ;; void e() {} ;; }; ;; d f(); ;; void g() { ;; d j = f(), h = j, i = h; ;; i.e(); ;; i = d(); ;; } ;; ;; Generated by grabbing IR before sroa in: ;; $ clang++ -O2 -g -c test.cpp -Xclang -fexperimental-assignment-tracking ;; Check that the dbg.assign value is scalar rather than a vector value because ;; we don't have a way of indexing a vector from within a ;; dbg.assign/DIExpression. Ensure that only the value-expression gets fragment ;; info; that the address-expression remains untouched. ; CHECK: %i.sroa.2.12.vec.insert = insertelement <2 x float> %i.sroa.2.0.vec.insert, float %2, i32 1, !dbg ;; There's a few dbg intrinsics we're not interested in testing wedged in here. ; CHECK-NEXT: dbg.value ; CHECK-NEXT: dbg.value ; CHECK-NEXT: call void @llvm.dbg.value(metadata float %2,{{.+}}, metadata !DIExpression(DW_OP_LLVM_fragment, 96, 32)) %class.d = type { %class.a } %class.a = type { [4 x float] } $_ZN1d1eEv = comdat any $_ZN1dC2Ev = comdat any @c = dso_local local_unnamed_addr global float 0.000000e+00, align 4, !dbg !0 ; Function Attrs: uwtable define dso_local void @_Z1gv() local_unnamed_addr #0 !dbg !11 { entry: 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 !33 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 !33 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 !33 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 !33 %i = alloca %class.d, align 8, !DIAssignID !37 call void @llvm.dbg.assign(metadata i1 undef, metadata !31, metadata !DIExpression(), metadata !37, metadata ptr %i, metadata !DIExpression()), !dbg !33 %ref.tmp = alloca %class.d, align 4 %call = call { <2 x float>, <2 x float> } @_Z1fv(), !dbg !38 %0 = extractvalue { <2 x float>, <2 x float> } %call, 0, !dbg !38 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 !33 %1 = extractvalue { <2 x float>, <2 x float> } %call, 1, !dbg !38 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 !33 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 !33 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 !33 %2 = bitcast ptr %i to ptr, !dbg !43 %h.sroa.0.sroa.0.0.h.sroa.0.0..sroa_cast4.sroa_cast = bitcast ptr %i to ptr, !dbg !44 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 !45 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 !33 %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 !44 %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 !44 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 !46 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 !33 call void @llvm.dbg.assign(metadata i1 undef, metadata !47, metadata !DIExpression(), metadata !51, metadata ptr undef, metadata !DIExpression()), !dbg !52 call void @llvm.dbg.assign(metadata ptr %i, metadata !47, metadata !DIExpression(), metadata !54, metadata ptr undef, metadata !DIExpression()), !dbg !52 %3 = bitcast ptr %ref.tmp to ptr, !dbg !55 call void @llvm.dbg.assign(metadata i1 undef, metadata !56, metadata !DIExpression(), metadata !59, metadata ptr undef, metadata !DIExpression()), !dbg !60 call void @llvm.dbg.assign(metadata ptr %ref.tmp, metadata !56, metadata !DIExpression(), metadata !62, metadata ptr undef, metadata !DIExpression()), !dbg !60 %4 = load float, ptr @c, align 4, !dbg !63 %arrayidx.i = getelementptr inbounds %class.d, ptr %ref.tmp, i64 0, i32 0, i32 0, i64 3, !dbg !69 store float %4, ptr %arrayidx.i, align 4, !dbg !70 call void @llvm.memcpy.p0i8.p0i8.i64(ptr nonnull align 8 dereferenceable(16) %2, ptr nonnull align 4 dereferenceable(16) %3, i64 16, i1 false), !dbg !71, !DIAssignID !72 call void @llvm.dbg.assign(metadata i1 undef, metadata !31, metadata !DIExpression(), metadata !72, metadata ptr %2, metadata !DIExpression()), !dbg !33 ret void, !dbg !74 } declare !dbg !75 dso_local { <2 x float>, <2 x float> } @_Z1fv() local_unnamed_addr #2 ; Function Attrs: argmemonly nofree nosync nounwind willreturn declare void @llvm.memcpy.p0i8.p0i8.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1 ; Function Attrs: nounwind uwtable define linkonce_odr dso_local void @_ZN1d1eEv(ptr %this) local_unnamed_addr #3 comdat align 2 !dbg !48 { entry: call void @llvm.dbg.assign(metadata i1 undef, metadata !47, metadata !DIExpression(), metadata !78, metadata ptr undef, metadata !DIExpression()), !dbg !79 call void @llvm.dbg.assign(metadata ptr %this, metadata !47, metadata !DIExpression(), metadata !80, metadata ptr undef, metadata !DIExpression()), !dbg !79 ret void, !dbg !81 } ; Function Attrs: nounwind uwtable define linkonce_odr dso_local void @_ZN1dC2Ev(ptr %this) unnamed_addr #3 comdat align 2 !dbg !57 { entry: call void @llvm.dbg.assign(metadata i1 undef, metadata !56, metadata !DIExpression(), metadata !82, metadata ptr undef, metadata !DIExpression()), !dbg !83 call void @llvm.dbg.assign(metadata ptr %this, metadata !56, metadata !DIExpression(), metadata !84, metadata ptr undef, metadata !DIExpression()), !dbg !83 %0 = load float, ptr @c, align 4, !dbg !85 %arrayidx = getelementptr inbounds %class.d, ptr %this, i64 0, i32 0, i32 0, i64 3, !dbg !86 store float %0, ptr %arrayidx, align 4, !dbg !87 ret void, !dbg !88 } declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata) #4 !llvm.dbg.cu = !{!2} !llvm.module.flags = !{!7, !8, !9, !1000} !llvm.ident = !{!10} !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) !1 = distinct !DIGlobalVariable(name: "c", scope: !2, file: !3, line: 5, type: !6, isLocal: false, isDefinition: true) !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) !3 = !DIFile(filename: "test.cpp", directory: "/") !4 = !{} !5 = !{!0} !6 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float) !7 = !{i32 7, !"Dwarf Version", i32 4} !8 = !{i32 2, !"Debug Info Version", i32 3} !9 = !{i32 1, !"wchar_size", i32 4} !10 = !{!"clang version 12.0.0"} !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) !12 = !DISubroutineType(types: !13) !13 = !{null} !14 = !{!15, !30, !31} !15 = !DILocalVariable(name: "j", scope: !11, file: !3, line: 13, type: !16) !16 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "d", file: !3, line: 6, size: 128, flags: DIFlagTypePassByValue | DIFlagNonTrivial, elements: !17, identifier: "_ZTS1d") !17 = !{!18, !25, !29} !18 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !16, baseType: !19, extraData: i32 0) !19 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "a", file: !3, line: 1, size: 128, flags: DIFlagTypePassByValue, elements: !20, identifier: "_ZTS1a") !20 = !{!21} !21 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !19, file: !3, line: 3, baseType: !22, size: 128, flags: DIFlagProtected) !22 = !DICompositeType(tag: DW_TAG_array_type, baseType: !6, size: 128, elements: !23) !23 = !{!24} !24 = !DISubrange(count: 4) !25 = !DISubprogram(name: "d", scope: !16, file: !3, line: 8, type: !26, scopeLine: 8, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized) !26 = !DISubroutineType(types: !27) !27 = !{null, !28} !28 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer) !29 = !DISubprogram(name: "e", linkageName: "_ZN1d1eEv", scope: !16, file: !3, line: 9, type: !26, scopeLine: 9, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized) !30 = !DILocalVariable(name: "h", scope: !11, file: !3, line: 13, type: !16) !31 = !DILocalVariable(name: "i", scope: !11, file: !3, line: 13, type: !16) !32 = distinct !DIAssignID() !33 = !DILocation(line: 0, scope: !11) !34 = distinct !DIAssignID() !35 = distinct !DIAssignID() !36 = distinct !DIAssignID() !37 = distinct !DIAssignID() !38 = !DILocation(line: 13, column: 9, scope: !11) !39 = distinct !DIAssignID() !40 = distinct !DIAssignID() !41 = distinct !DIAssignID() !42 = distinct !DIAssignID() !43 = !DILocation(line: 13, column: 3, scope: !11) !44 = !DILocation(line: 13, column: 25, scope: !11) !45 = distinct !DIAssignID() !46 = distinct !DIAssignID() !47 = !DILocalVariable(name: "this", arg: 1, scope: !48, type: !50, flags: DIFlagArtificial | DIFlagObjectPointer) !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) !49 = !{!47} !50 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64) !51 = distinct !DIAssignID() !52 = !DILocation(line: 0, scope: !48, inlinedAt: !53) !53 = distinct !DILocation(line: 14, column: 5, scope: !11) !54 = distinct !DIAssignID() !55 = !DILocation(line: 15, column: 7, scope: !11) !56 = !DILocalVariable(name: "this", arg: 1, scope: !57, type: !50, flags: DIFlagArtificial | DIFlagObjectPointer) !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) !58 = !{!56} !59 = distinct !DIAssignID() !60 = !DILocation(line: 0, scope: !57, inlinedAt: !61) !61 = distinct !DILocation(line: 15, column: 7, scope: !11) !62 = distinct !DIAssignID() !63 = !DILocation(line: 8, column: 16, scope: !64, inlinedAt: !61) !64 = distinct !DILexicalBlock(scope: !57, file: !3, line: 8, column: 7) !69 = !DILocation(line: 8, column: 9, scope: !64, inlinedAt: !61) !70 = !DILocation(line: 8, column: 14, scope: !64, inlinedAt: !61) !71 = !DILocation(line: 15, column: 5, scope: !11) !72 = distinct !DIAssignID() !73 = !DILocation(line: 15, column: 3, scope: !11) !74 = !DILocation(line: 16, column: 1, scope: !11) !75 = !DISubprogram(name: "f", linkageName: "_Z1fv", scope: !3, file: !3, line: 11, type: !76, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !4) !76 = !DISubroutineType(types: !77) !77 = !{!16} !78 = distinct !DIAssignID() !79 = !DILocation(line: 0, scope: !48) !80 = distinct !DIAssignID() !81 = !DILocation(line: 9, column: 13, scope: !48) !82 = distinct !DIAssignID() !83 = !DILocation(line: 0, scope: !57) !84 = distinct !DIAssignID() !85 = !DILocation(line: 8, column: 16, scope: !64) !86 = !DILocation(line: 8, column: 9, scope: !64) !87 = !DILocation(line: 8, column: 14, scope: !64) !88 = !DILocation(line: 8, column: 19, scope: !57) !1000 = !{i32 7, !"debug-info-assignment-tracking", i1 true}