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1; RUN: opt -passes='sroa' -S -o - %s | FileCheck %s2; Generated from clang -c -O2 -g -target x86_64-pc-windows-msvc3; struct A {4; int _Myval2;5; A() : _Myval2() {}6; };7; struct B {8; double buffer[];9; };10; struct C {11; C(int) {}12; A _Mypair;13; };14; int getPtr();15; struct D {16; C takePayload() {17; C Tmp(getPtr());18; return Tmp;19; }20; } Dd;21; ptr operator new(size_t, ptr);22; struct F {23; F(D Err) : HasError() {24; C *e = (C *)(ErrorStorage.buffer);25; new (e) C(Err.takePayload());26; }27; B ErrorStorage;28; bool HasError;29; };30; F fn2() { return Dd; }31; void fn3() { fn2(); }32source_filename = "test.ll"33 34%struct.F = type { %struct.B, i8 }35%struct.B = type { [0 x double], [8 x i8] }36 37define void @"\01?fn3@@YAXXZ"() local_unnamed_addr !dbg !6 {38entry:39 %tmp = alloca %struct.F, align 840 call void @llvm.lifetime.start.p0(i64 16, ptr %tmp)41 call void @llvm.dbg.declare(metadata ptr %tmp, metadata !10, metadata !DIExpression()), !dbg !1442 ; CHECK-NOT: !DIExpression(DW_OP_LLVM_fragment, 32, 96)43 ; CHECK: #dbg_value(i32 0, !10, !DIExpression(),44 store i32 0, ptr %tmp, align 845 ret void46}47 48; Function Attrs: argmemonly nounwind49declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #050 51; Function Attrs: nounwind readnone speculatable52declare void @llvm.dbg.declare(metadata, metadata, metadata) #153 54attributes #0 = { argmemonly nounwind }55attributes #1 = { nounwind readnone speculatable }56 57!llvm.dbg.cu = !{!0}58!llvm.module.flags = !{!2, !3, !4, !5}59 60!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 6.0.0 (trunk 319178) (llvm/trunk 319187)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)61!1 = !DIFile(filename: "test.cpp", directory: "/")62!2 = !{i32 2, !"Dwarf Version", i32 4}63!3 = !{i32 2, !"Debug Info Version", i32 3}64!4 = !{i32 1, !"wchar_size", i32 2}65!5 = !{i32 7, !"PIC Level", i32 2}66!6 = distinct !DISubprogram(name: "fn3", linkageName: "\01?fn3@@YAXXZ", scope: !1, file: !1, line: 30, type: !7, isLocal: false, isDefinition: true, scopeLine: 30, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !9)67!7 = !DISubroutineType(types: !8)68!8 = !{null}69!9 = !{}70!10 = !DILocalVariable(name: "Tmp", scope: !11, file: !1, line: 16, type: !23)71!11 = distinct !DISubprogram(name: "takePayload", linkageName: "\01?takePayload@D@@QEAA?AUC@@XZ", scope: !12, file: !1, line: 15, type: !7, isLocal: false, isDefinition: true, scopeLine: 15, flags: DIFlagPrototyped, isOptimized: true, unit: !0, declaration: !13, retainedNodes: !9)72!12 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "D", file: !1, line: 14, size: 8, elements: !9, identifier: ".?AUD@@")73!13 = !DISubprogram(name: "takePayload", linkageName: "\01?takePayload@D@@QEAA?AUC@@XZ", scope: !12, file: !1, line: 15, type: !7, isLocal: false, isDefinition: false, scopeLine: 15, flags: DIFlagPrototyped, isOptimized: true)74!14 = !DILocation(line: 16, column: 7, scope: !11, inlinedAt: !15)75!15 = distinct !DILocation(line: 24, column: 19, scope: !16, inlinedAt: !20)76!16 = distinct !DILexicalBlock(scope: !17, file: !1, line: 22, column: 25)77!17 = distinct !DISubprogram(name: "F", linkageName: "\01??0F@@QEAA@UD@@@Z", scope: !18, file: !1, line: 22, type: !7, isLocal: false, isDefinition: true, scopeLine: 22, flags: DIFlagPrototyped, isOptimized: true, unit: !0, declaration: !19, retainedNodes: !9)78!18 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "F", file: !1, line: 21, size: 128, elements: !9, identifier: ".?AUF@@")79!19 = !DISubprogram(name: "F", scope: !18, file: !1, line: 22, type: !7, isLocal: false, isDefinition: false, scopeLine: 22, flags: DIFlagPrototyped, isOptimized: true)80!20 = distinct !DILocation(line: 29, column: 18, scope: !21, inlinedAt: !22)81!21 = distinct !DISubprogram(name: "fn2", linkageName: "\01?fn2@@YA?AUF@@XZ", scope: !1, file: !1, line: 29, type: !7, isLocal: false, isDefinition: true, scopeLine: 29, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !9)82!22 = distinct !DILocation(line: 30, column: 14, scope: !6)83!23 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "C", file: !1, line: 9, size: 32, elements: !9, identifier: ".?AUC@@")84