; RUN: llc -mtriple=x86_64-apple-darwin %s -o - -filetype=obj | llvm-dwarfdump - | FileCheck %s ; CHECK: DW_TAG_subprogram ; CHECK: DW_AT_name ("h") ; CHECK: 0x00000[[VLAEXPR:.*]]: DW_TAG_variable ; CHECK-NEXT: DW_AT_name ("vla_expr") ; CHECK: DW_TAG_array_type ; CHECK-NEXT: DW_AT_type {{.*}}"int" ; CHECK-NOT: DW_TAG ; CHECK: DW_TAG_subrange_type ; CHECK-NEXT: DW_AT_type {{.*}}"__ARRAY_SIZE_TYPE__" ; CHECK-NEXT: DW_AT_count (0x00000[[VLAEXPR]] ; ; ; Generated from (and then modified): ; ; #define DECLARE_ARRAY(type, var_name, size) type var_name[size] ; ; void h(void); ; void k(void *); ; ; void g() { ; h(); ; } ; ; void h() { ; int count = 2; ; DECLARE_ARRAY(int, array, count); ; k((void *)array); ; } source_filename = "/tmp/test.c" target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-apple-macosx10.13.0" ; Function Attrs: nounwind ssp uwtable define void @g() local_unnamed_addr #0 !dbg !10 { entry: %vla2.i = alloca [2 x i32], align 16, !dbg !13 call void @llvm.dbg.declare(metadata [2 x i32]* %vla2.i, metadata !20, metadata !DIExpression(DW_OP_stack_value)), !dbg !13 %0 = bitcast [2 x i32]* %vla2.i to i8*, !dbg !25 call void @llvm.lifetime.start.p0i8(i64 8, i8* nonnull %0), !dbg !25 call void @llvm.dbg.value(metadata i32 2, metadata !16, metadata !DIExpression()) #3, !dbg !25 call void @llvm.dbg.value(metadata i64 2, metadata !18, metadata !DIExpression()) #3, !dbg !13 call void @llvm.dbg.value(metadata i32 2, metadata !16, metadata !DIExpression()) #3, !dbg !25 call void @llvm.dbg.value(metadata i64 2, metadata !18, metadata !DIExpression()) #3, !dbg !13 call void @k(i8* nonnull %0) #3, !dbg !26 call void @llvm.lifetime.end.p0i8(i64 8, i8* nonnull %0), !dbg !27 ret void, !dbg !28 } ; Function Attrs: nounwind readnone speculatable declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 declare void @k(i8*) local_unnamed_addr ; Function Attrs: nounwind readnone speculatable declare void @llvm.dbg.value(metadata, metadata, metadata) #1 ; Function Attrs: argmemonly nounwind declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #2 ; Function Attrs: argmemonly nounwind declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #2 attributes #0 = { nounwind ssp uwtable } attributes #1 = { nounwind readnone speculatable } attributes #2 = { argmemonly nounwind } attributes #3 = { nounwind } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!5, !6, !7, !8} !llvm.ident = !{!9} !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, retainedTypes: !3) !1 = !DIFile(filename: "/tmp/test.c", directory: "/") !2 = !{} !3 = !{!4} !4 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64) !5 = !{i32 2, !"Dwarf Version", i32 4} !6 = !{i32 2, !"Debug Info Version", i32 3} !7 = !{i32 1, !"wchar_size", i32 4} !8 = !{i32 7, !"PIC Level", i32 2} !9 = !{!"clang version 7.0.0 (trunk 324259) (llvm/trunk 324261)"} !10 = distinct !DISubprogram(name: "g", scope: !1, file: !1, line: 6, type: !11, isLocal: false, isDefinition: true, scopeLine: 6, isOptimized: true, unit: !0, retainedNodes: !2) !11 = !DISubroutineType(types: !12) !12 = !{null} !13 = !DILocation(line: 12, column: 3, scope: !14, inlinedAt: !24) !14 = distinct !DISubprogram(name: "h", scope: !1, file: !1, line: 10, type: !11, isLocal: false, isDefinition: true, scopeLine: 10, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !15) !15 = !{!16, !18, !20} !16 = !DILocalVariable(name: "count", scope: !14, file: !1, line: 11, type: !17) !17 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) !18 = !DILocalVariable(name: "vla_expr", scope: !14, file: !1, line: 12, type: !19) !19 = !DIBasicType(name: "long unsigned int", size: 64, encoding: DW_ATE_unsigned) !20 = !DILocalVariable(name: "array", scope: !14, file: !1, line: 12, type: !21) !21 = !DICompositeType(tag: DW_TAG_array_type, baseType: !17, elements: !22) !22 = !{!23} !23 = !DISubrange(count: !18) !24 = distinct !DILocation(line: 7, column: 3, scope: !10) !25 = !DILocation(line: 11, column: 7, scope: !14, inlinedAt: !24) !26 = !DILocation(line: 13, column: 3, scope: !14, inlinedAt: !24) !27 = !DILocation(line: 14, column: 1, scope: !14, inlinedAt: !24) !28 = !DILocation(line: 8, column: 1, scope: !10)