; RUN: llvm-as < %s -disable-output 2>&1 | FileCheck %s define void @foo(i32 %n) { entry: %0 = zext i32 %n to i64 %vla = alloca i32, i64 %0, align 16 call void @llvm.dbg.declare(metadata ptr %vla, metadata !19, metadata !12), !dbg !18 ret void } declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!3, !4, !5} !llvm.ident = !{!6} !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 5.0.1", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) !1 = !DIFile(filename: "vla.c", directory: "/path/to") !2 = !{} !3 = !{i32 2, !"Dwarf Version", i32 4} !4 = !{i32 2, !"Debug Info Version", i32 3} !5 = !{i32 1, !"wchar_size", i32 4} !6 = !{!"clang version 5.0.1"} !7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 20, type: !8, isLocal: false, isDefinition: true, scopeLine: 20, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !11) !8 = !DISubroutineType(types: !9) !9 = !{null, !10} !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) !11 = !{!16, !19} !12 = !DIExpression() !16 = !DILocalVariable(name: "vla_expr", scope: !7, file: !1, line: 21, type: !17) !17 = !DIBasicType(name: "long unsigned int", size: 64, encoding: DW_ATE_unsigned) !18 = !DILocation(line: 21, column: 7, scope: !7) !19 = !DILocalVariable(name: "vla", scope: !7, file: !1, line: 21, type: !20) !20 = !DICompositeType(tag: DW_TAG_array_type, baseType: !10, align: 32, elements: !21) !21 = !{!22} ; CHECK: Count must be signed constant or DIVariable or DIExpression !22 = !DISubrange(count: !17)