1; RUN: opt -passes='sroa' -S -o - %s | FileCheck %s 2; RUN: opt --try-experimental-debuginfo-iterators -passes='sroa' -S -o - %s | FileCheck %s 3; Generated from clang -c -O2 -g -target x86_64-pc-windows-msvc 4; struct A { 5; int _Myval2; 6; A() : _Myval2() {} 7; }; 8; struct B { 9; double buffer[]; 10; }; 11; struct C { 12; C(int) {} 13; A _Mypair; 14; }; 15; int getPtr(); 16; struct D { 17; C takePayload() { 18; C Tmp(getPtr()); 19; return Tmp; 20; } 21; } Dd; 22; ptr operator new(size_t, ptr); 23; struct F { 24; F(D Err) : HasError() { 25; C *e = (C *)(ErrorStorage.buffer); 26; new (e) C(Err.takePayload()); 27; } 28; B ErrorStorage; 29; bool HasError; 30; }; 31; F fn2() { return Dd; } 32; void fn3() { fn2(); } 33source_filename = "test.ll" 34 35%struct.F = type { %struct.B, i8 } 36%struct.B = type { [0 x double], [8 x i8] } 37 38define void @"\01?fn3@@YAXXZ"() local_unnamed_addr !dbg !6 { 39entry: 40 %tmp = alloca %struct.F, align 8 41 call void @llvm.lifetime.start.p0(i64 16, ptr %tmp) 42 call void @llvm.dbg.declare(metadata ptr %tmp, metadata !10, metadata !DIExpression()), !dbg !14 43 ; CHECK-NOT: !DIExpression(DW_OP_LLVM_fragment, 32, 96) 44 ; CHECK: #dbg_value(i32 0, !10, !DIExpression(), 45 store i32 0, ptr %tmp, align 8 46 ret void 47} 48 49; Function Attrs: argmemonly nounwind 50declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #0 51 52; Function Attrs: nounwind readnone speculatable 53declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 54 55attributes #0 = { argmemonly nounwind } 56attributes #1 = { nounwind readnone speculatable } 57 58!llvm.dbg.cu = !{!0} 59!llvm.module.flags = !{!2, !3, !4, !5} 60 61!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) 62!1 = !DIFile(filename: "test.cpp", directory: "/") 63!2 = !{i32 2, !"Dwarf Version", i32 4} 64!3 = !{i32 2, !"Debug Info Version", i32 3} 65!4 = !{i32 1, !"wchar_size", i32 2} 66!5 = !{i32 7, !"PIC Level", i32 2} 67!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) 68!7 = !DISubroutineType(types: !8) 69!8 = !{null} 70!9 = !{} 71!10 = !DILocalVariable(name: "Tmp", scope: !11, file: !1, line: 16, type: !23) 72!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) 73!12 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "D", file: !1, line: 14, size: 8, elements: !9, identifier: ".?AUD@@") 74!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) 75!14 = !DILocation(line: 16, column: 7, scope: !11, inlinedAt: !15) 76!15 = distinct !DILocation(line: 24, column: 19, scope: !16, inlinedAt: !20) 77!16 = distinct !DILexicalBlock(scope: !17, file: !1, line: 22, column: 25) 78!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) 79!18 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "F", file: !1, line: 21, size: 128, elements: !9, identifier: ".?AUF@@") 80!19 = !DISubprogram(name: "F", scope: !18, file: !1, line: 22, type: !7, isLocal: false, isDefinition: false, scopeLine: 22, flags: DIFlagPrototyped, isOptimized: true) 81!20 = distinct !DILocation(line: 29, column: 18, scope: !21, inlinedAt: !22) 82!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) 83!22 = distinct !DILocation(line: 30, column: 14, scope: !6) 84!23 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "C", file: !1, line: 9, size: 32, elements: !9, identifier: ".?AUC@@") 85