1 ; Check that a DISubrange built with an older version of LLVM is correctly restored.
2 ; RUN: llvm-dis < %s.bc | FileCheck %s
3 ; RUN: llvm-dis < %s.bc | llvm-as | llvm-dis | FileCheck %s
5 define void @foo(i32 %n) {
7 %array = alloca i32, i64 42, align 16
8 call void @llvm.dbg.declare(metadata i32* %array, metadata !19, metadata !12), !dbg !18
12 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
15 !llvm.module.flags = !{!3, !4, !5}
18 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 5.0.1", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
19 !1 = !DIFile(filename: "vla.c", directory: "/path/to")
21 !3 = !{i32 2, !"Dwarf Version", i32 4}
22 !4 = !{i32 2, !"Debug Info Version", i32 3}
23 !5 = !{i32 1, !"wchar_size", i32 4}
24 !6 = !{!"clang version 5.0.1"}
25 !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)
26 !8 = !DISubroutineType(types: !9)
28 !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
31 !16 = !DILocalVariable(name: "vla_expr", scope: !7, file: !1, line: 21, type: !17)
32 !17 = !DIBasicType(name: "long unsigned int", size: 64, encoding: DW_ATE_unsigned)
33 !18 = !DILocation(line: 21, column: 7, scope: !7)
34 !19 = !DILocalVariable(name: "array", scope: !7, file: !1, line: 21, type: !20)
35 !20 = !DICompositeType(tag: DW_TAG_array_type, baseType: !10, align: 32, elements: !21)
37 ; CHECK-DAG: ![[NODE:[0-9]+]] = !DILocalVariable(name: "array"
38 ; CHECK-DAG: ![[CONST:[0-9]+]] = !DISubrange(count: 42, lowerBound: 1)
39 ; CHECK-DAG: ![[MULTI:[0-9]+]] = !{![[CONST]]}
40 ; CHECK-DAG: elements: ![[MULTI]]
41 !22 = !DISubrange(count: 42, lowerBound: 1)