1; RUN: llvm-as < %s -disable-output 2>&1 | FileCheck %s 2 3define void @foo(i32 %n) { 4entry: 5 %0 = zext i32 %n to i64 6 %vla = alloca i32, i64 %0, align 16 7 call void @llvm.dbg.declare(metadata i32* %vla, metadata !19, metadata !12), !dbg !18 8 ret void 9} 10 11declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 12 13!llvm.dbg.cu = !{!0} 14!llvm.module.flags = !{!3, !4, !5} 15!llvm.ident = !{!6} 16 17!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 5.0.1", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 18!1 = !DIFile(filename: "vla.c", directory: "/path/to") 19!2 = !{} 20!3 = !{i32 2, !"Dwarf Version", i32 4} 21!4 = !{i32 2, !"Debug Info Version", i32 3} 22!5 = !{i32 1, !"wchar_size", i32 4} 23!6 = !{!"clang version 5.0.1"} 24!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) 25!8 = !DISubroutineType(types: !9) 26!9 = !{null, !10} 27!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 28!11 = !{!16, !19} 29!12 = !DIExpression() 30!16 = !DILocalVariable(name: "vla_expr", scope: !7, file: !1, line: 21, type: !17) 31!17 = !DIBasicType(name: "long unsigned int", size: 64, encoding: DW_ATE_unsigned) 32!18 = !DILocation(line: 21, column: 7, scope: !7) 33!19 = !DILocalVariable(name: "vla", scope: !7, file: !1, line: 21, type: !20) 34!20 = !DICompositeType(tag: DW_TAG_array_type, baseType: !10, align: 32, elements: !21) 35!21 = !{!22} 36; CHECK: Count must either be a signed constant or a DIVariable 37!22 = !DISubrange(count: !17) 38