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1; RUN: llc %s -o - -stop-before=phi-node-elimination \2; RUN: -experimental-debug-variable-locations=true \3; RUN: | FileCheck %s --check-prefixes=DYN_LOWERED4 5;; Copy of instr-ref-dyn-alloca-win32.ll, targetting 64 bit Windows. Here,6;; _chkstk doesn't return with a modified stack pointer, instead we have to7;; edit it with our own subtract operation. Check that it's labelled and the8;; substitution is correct. This also covers the code paths for non-Windows on9;; x86.10 11; DYN_LOWERED: debugValueSubstitutions:12; DYN_LOWERED-NEXT: - { srcinst: 1, srcop: 2, dstinst: 2, dstop: 0, subreg: 0 }13; DYN_LOWERED: SUB64rr $rsp, killed $rax, {{.*}} debug-instr-number 2,14 15source_filename = "test/DebugInfo/COFF/types-array-advanced.ll"16target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"17target triple = "x86_64-pc-windows-msvc19.0.24210"18 19%struct.incomplete_struct = type { i32 }20 21@"\01?multi_dim_arr@@3PAY146DA" = global [2 x [5 x [7 x i8]]] zeroinitializer, align 1, !dbg !022@"\01?p_incomplete_struct_arr@@3PAY02Uincomplete_struct@@A" = global ptr null, align 4, !dbg !623@"\01?incomplete_struct_arr@@3PAUincomplete_struct@@A" = global [3 x %struct.incomplete_struct] zeroinitializer, align 4, !dbg !1624@"\01?typedef_arr@@3SDHD" = constant [4 x i32] zeroinitializer, align 4, !dbg !1825 26; Function Attrs: nounwind27define void @"\01?foo@@YAXH@Z"(i32 %x) #0 !dbg !35 {28entry:29 %x.addr = alloca i32, align 430 %saved_stack = alloca ptr, align 431 store i32 %x, ptr %x.addr, align 432 call void @llvm.dbg.declare(metadata ptr %x.addr, metadata !38, metadata !39), !dbg !4033 %0 = load i32, ptr %x.addr, align 4, !dbg !4134 %1 = call ptr @llvm.stacksave(), !dbg !4235 store ptr %1, ptr %saved_stack, align 4, !dbg !4236 %vla = alloca i32, i32 %0, align 4, !dbg !4237 call void @llvm.dbg.declare(metadata ptr %vla, metadata !43, metadata !47), !dbg !4838 store i32 0, ptr %vla, align 4, !dbg !5039 %2 = load ptr, ptr %saved_stack, align 4, !dbg !5140 call void @llvm.stackrestore(ptr %2), !dbg !5141 ret void, !dbg !5142}43 44; Function Attrs: nounwind readnone45declare void @llvm.dbg.declare(metadata, metadata, metadata)46 47; Function Attrs: nounwind48declare ptr @llvm.stacksave()49 50; Function Attrs: nounwind51declare void @llvm.stackrestore(ptr)52 53!llvm.dbg.cu = !{!2}54!llvm.module.flags = !{!32, !33}55!llvm.ident = !{!34}56 57!0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression())58!1 = !DIGlobalVariable(name: "multi_dim_arr", linkageName: "\01?multi_dim_arr@@3PAY146DA", scope: !2, file: !3, line: 1, type: !26, isLocal: false, isDefinition: true)59!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 3.9.0 (trunk 273874)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)60!3 = !DIFile(filename: "t.cpp", directory: "/")61!4 = !{}62!5 = !{!0, !6, !16, !18}63!6 = distinct !DIGlobalVariableExpression(var: !7, expr: !DIExpression())64!7 = !DIGlobalVariable(name: "p_incomplete_struct_arr", linkageName: "\01?p_incomplete_struct_arr@@3PAY02Uincomplete_struct@@A", scope: !2, file: !3, line: 3, type: !8, isLocal: false, isDefinition: true)65!8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 32, align: 32)66!9 = !DICompositeType(tag: DW_TAG_array_type, baseType: !10, elements: !14)67!10 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "incomplete_struct", file: !3, line: 4, size: 32, align: 32, elements: !11, identifier: ".?AUincomplete_struct@@")68!11 = !{!12}69!12 = !DIDerivedType(tag: DW_TAG_member, name: "s1", scope: !10, file: !3, line: 5, baseType: !13, size: 32, align: 32)70!13 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)71!14 = !{!15}72!15 = !DISubrange(count: 3)73!16 = distinct !DIGlobalVariableExpression(var: !17, expr: !DIExpression())74!17 = !DIGlobalVariable(name: "incomplete_struct_arr", linkageName: "\01?incomplete_struct_arr@@3PAUincomplete_struct@@A", scope: !2, file: !3, line: 6, type: !9, isLocal: false, isDefinition: true)75!18 = distinct !DIGlobalVariableExpression(var: !19, expr: !DIExpression())76!19 = !DIGlobalVariable(name: "typedef_arr", linkageName: "\01?typedef_arr@@3SDHD", scope: !2, file: !3, line: 14, type: !20, isLocal: false, isDefinition: true)77!20 = !DICompositeType(tag: DW_TAG_array_type, baseType: !21, size: 128, align: 32, elements: !24)78!21 = !DIDerivedType(tag: DW_TAG_typedef, name: "T_INT", file: !3, line: 13, baseType: !22)79!22 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !23)80!23 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !13)81!24 = !{!25}82!25 = !DISubrange(count: 4)83!26 = !DICompositeType(tag: DW_TAG_array_type, baseType: !27, size: 560, align: 8, elements: !28)84!27 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)85!28 = !{!29, !30, !31}86!29 = !DISubrange(count: 2)87!30 = !DISubrange(count: 5)88!31 = !DISubrange(count: 7)89!32 = !{i32 2, !"CodeView", i32 1}90!33 = !{i32 2, !"Debug Info Version", i32 3}91!34 = !{!"clang version 3.9.0 (trunk 273874)"}92!35 = distinct !DISubprogram(name: "foo", linkageName: "\01?foo@@YAXH@Z", scope: !3, file: !3, line: 8, type: !36, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4)93!36 = !DISubroutineType(types: !37)94!37 = !{null, !13}95!38 = !DILocalVariable(name: "x", arg: 1, scope: !35, file: !3, line: 8, type: !13)96!39 = !DIExpression()97!40 = !DILocation(line: 8, column: 14, scope: !35)98!41 = !DILocation(line: 9, column: 21, scope: !35)99!42 = !DILocation(line: 9, column: 4, scope: !35)100!43 = !DILocalVariable(name: "dyn_size_arr", scope: !35, file: !3, line: 9, type: !44)101!44 = !DICompositeType(tag: DW_TAG_array_type, baseType: !13, align: 32, elements: !45)102!45 = !{!46}103!46 = !DISubrange(count: -1)104!47 = !DIExpression(DW_OP_deref)105!48 = !DILocation(line: 9, column: 8, scope: !35)106!49 = !DILocation(line: 10, column: 4, scope: !35)107!50 = !DILocation(line: 10, column: 20, scope: !35)108!51 = !DILocation(line: 11, column: 1, scope: !35)109 110