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1; RUN: llc -mtriple=x86_64-apple-darwin %s -o - -filetype=obj | llvm-dwarfdump - | FileCheck %s2 3; Test debug info for multidimensional arrays.4;5; void f(int i, int j, int k, int r) {6; int tensor1[i][j][k][r];7; int tensor2[i][j][k][r];8; use(tensor1, tensor2);9;}10;11; CHECK: DW_TAG_array_type12; CHECK-NEXT: DW_AT_type ([[int_type_die:.*]] "int")13; CHECK-NOT: TAG14; CHECK: DW_TAG_subrange_type15; CHECK-NEXT: DW_AT_type (0x{{.*}}"__ARRAY_SIZE_TYPE__")16; CHECK-NEXT: DW_AT_count (0x{{.*}})17; CHECK-NOT: TAG18; CHECK: DW_TAG_subrange_type19; CHECK-NEXT: DW_AT_type (0x{{.*}} "__ARRAY_SIZE_TYPE__")20; CHECK-NEXT: DW_AT_count (0x{{.*}})21; CHECK-NOT: TAG22; CHECK: DW_TAG_subrange_type23; CHECK-NEXT: DW_AT_type (0x{{.*}} "__ARRAY_SIZE_TYPE__")24; CHECK-NEXT: DW_AT_count (0x{{.*}})25; CHECK-NOT: TAG26; CHECK: DW_TAG_subrange_type27; CHECK-NEXT: DW_AT_type (0x{{.*}} "__ARRAY_SIZE_TYPE__")28; CHECK-NEXT: DW_AT_count (0x{{.*}})29; CHECK: DW_TAG_array_type30; CHECK-NEXT: DW_AT_type ([[int_type_die]] "int")31; CHECK-NOT: TAG32; CHECK: DW_TAG_subrange_type33; CHECK-NEXT: DW_AT_type (0x{{.*}}"__ARRAY_SIZE_TYPE__")34; CHECK-NEXT: DW_AT_count (0x{{.*}})35; CHECK-NOT: TAG36; CHECK: DW_TAG_subrange_type37; CHECK-NEXT: DW_AT_type (0x{{.*}} "__ARRAY_SIZE_TYPE__")38; CHECK-NEXT: DW_AT_count (0x{{.*}})39; CHECK-NOT: TAG40; CHECK: DW_TAG_subrange_type41; CHECK-NEXT: DW_AT_type (0x{{.*}} "__ARRAY_SIZE_TYPE__")42; CHECK-NEXT: DW_AT_count (0x{{.*}})43; CHECK-NOT: TAG44; CHECK: DW_TAG_subrange_type45; CHECK-NEXT: DW_AT_type (0x{{.*}} "__ARRAY_SIZE_TYPE__")46; CHECK-NEXT: DW_AT_count (0x{{.*}})47 48 49source_filename = "/tmp/test.c"50target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"51target triple = "x86_64-apple-macosx10.13.0"52 53define void @f(i32 %i, i32 %j, i32 %k, i32 %r) !dbg !8 {54entry:55 call void @llvm.dbg.value(metadata i32 %i, metadata !39, metadata !DIExpression()), !dbg !4056 call void @llvm.dbg.value(metadata i32 %j, metadata !38, metadata !DIExpression()), !dbg !4057 call void @llvm.dbg.value(metadata i32 %k, metadata !37, metadata !DIExpression()), !dbg !4058 call void @llvm.dbg.value(metadata i32 %r, metadata !36, metadata !DIExpression()), !dbg !4059 %0 = zext i32 %i to i64, !dbg !4060 %1 = zext i32 %j to i64, !dbg !4061 %2 = zext i32 %k to i64, !dbg !4062 %3 = zext i32 %r to i64, !dbg !4063 %4 = mul nuw i64 %1, %0, !dbg !4064 %5 = mul nuw i64 %4, %2, !dbg !4065 %6 = mul nuw i64 %5, %3, !dbg !4066 %vla = alloca i32, i64 %6, align 16, !dbg !4067 call void @llvm.dbg.declare(metadata ptr %vla, metadata !25, metadata !DIExpression()), !dbg !4068 %vla4 = alloca i32, i64 %6, align 16, !dbg !4069 call void @llvm.dbg.declare(metadata ptr %vla4, metadata !13, metadata !DIExpression()), !dbg !4070 call void @llvm.dbg.value(metadata i32 %i, metadata !29, metadata !DIExpression()), !dbg !4071 call void @llvm.dbg.value(metadata i32 %j, metadata !31, metadata !DIExpression()), !dbg !4072 call void @llvm.dbg.value(metadata i32 %k, metadata !33, metadata !DIExpression()), !dbg !4073 call void @llvm.dbg.value(metadata i32 %r, metadata !35, metadata !DIExpression()), !dbg !4074 call void @llvm.dbg.value(metadata i32 %i, metadata !17, metadata !DIExpression()), !dbg !4075 call void @llvm.dbg.value(metadata i32 %j, metadata !20, metadata !DIExpression()), !dbg !4076 call void @llvm.dbg.value(metadata i32 %k, metadata !22, metadata !DIExpression()), !dbg !4077 call void @llvm.dbg.value(metadata i64 %3, metadata !24, metadata !DIExpression()), !dbg !4078 %call = call i32 (ptr, ptr, ...) @use(ptr nonnull %vla, ptr nonnull %vla4) #1, !dbg !4079 ret void, !dbg !4080}81 82; Function Attrs: nounwind readnone speculatable83declare void @llvm.dbg.declare(metadata, metadata, metadata) #084 85declare i32 @use(...) local_unnamed_addr86 87; Function Attrs: nounwind readnone speculatable88declare void @llvm.dbg.value(metadata, metadata, metadata) #089 90attributes #0 = { nounwind readnone speculatable }91attributes #1 = { minsize nounwind optsize }92 93!llvm.dbg.cu = !{!0}94!llvm.module.flags = !{!3, !4, !5, !6}95!llvm.ident = !{!7}96 97!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 7.0.0 (trunk 324259) (llvm/trunk 324261)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)98!1 = !DIFile(filename: "/tmp/test.c", directory: "/")99!2 = !{}100!3 = !{i32 2, !"Dwarf Version", i32 4}101!4 = !{i32 2, !"Debug Info Version", i32 3}102!5 = !{i32 1, !"wchar_size", i32 4}103!6 = !{i32 7, !"PIC Level", i32 2}104!7 = !{!"clang version 7.0.0 (trunk 324259) (llvm/trunk 324261)"}105!8 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !9, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !12)106!9 = !DISubroutineType(types: !10)107!10 = !{null, !11, !11, !11, !11}108!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)109!12 = !{!13, !24, !22, !20, !17, !25, !35, !33, !31, !29, !36, !37, !38, !39}110!13 = !DILocalVariable(name: "tensor2", scope: !8, file: !1, line: 3, type: !14)111!14 = !DICompositeType(tag: DW_TAG_array_type, baseType: !11, elements: !15)112!15 = !{!16, !19, !21, !23}113!16 = !DISubrange(count: !17)114!17 = !DILocalVariable(name: "vla_expr5", scope: !8, file: !1, line: 3, type: !18)115!18 = !DIBasicType(name: "long unsigned int", size: 64, encoding: DW_ATE_unsigned)116!19 = !DISubrange(count: !20)117!20 = !DILocalVariable(name: "vla_expr6", scope: !8, file: !1, line: 3, type: !18)118!21 = !DISubrange(count: !22)119!22 = !DILocalVariable(name: "vla_expr7", scope: !8, file: !1, line: 3, type: !18)120!23 = !DISubrange(count: !24)121!24 = !DILocalVariable(name: "vla_expr8", scope: !8, file: !1, line: 3, type: !18)122!25 = !DILocalVariable(name: "tensor1", scope: !8, file: !1, line: 2, type: !26)123!26 = !DICompositeType(tag: DW_TAG_array_type, baseType: !11, elements: !27)124!27 = !{!28, !30, !32, !34}125!28 = !DISubrange(count: !29)126!29 = !DILocalVariable(name: "vla_expr", scope: !8, file: !1, line: 2, type: !18)127!30 = !DISubrange(count: !31)128!31 = !DILocalVariable(name: "vla_expr1", scope: !8, file: !1, line: 2, type: !18)129!32 = !DISubrange(count: !33)130!33 = !DILocalVariable(name: "vla_expr2", scope: !8, file: !1, line: 2, type: !18)131!34 = !DISubrange(count: !35)132!35 = !DILocalVariable(name: "vla_expr3", scope: !8, file: !1, line: 2, type: !18)133!36 = !DILocalVariable(name: "r", arg: 4, scope: !8, file: !1, line: 1, type: !11)134!37 = !DILocalVariable(name: "k", arg: 3, scope: !8, file: !1, line: 1, type: !11)135!38 = !DILocalVariable(name: "j", arg: 2, scope: !8, file: !1, line: 1, type: !11)136!39 = !DILocalVariable(name: "i", arg: 1, scope: !8, file: !1, line: 1, type: !11)137!40 = !DILocation(line: 2, column: 3, scope: !8)138