|  | ; Make sure we don't crash when writing bitcode. | 
|  | ; RUN: opt < %s -loop-deletion -o /dev/null | 
|  |  | 
|  | define void @f() { | 
|  | br label %bb1 | 
|  |  | 
|  | bb1:                                              ; preds = %bb1, %0 | 
|  | call void @llvm.dbg.value(metadata i16 undef, metadata !1, metadata !DIExpression()), !dbg !11 | 
|  | br i1 undef, label %bb1, label %bb3 | 
|  |  | 
|  | bb3:                                              ; preds = %bb1 | 
|  | ret void | 
|  | } | 
|  |  | 
|  | declare void @llvm.dbg.value(metadata, metadata, metadata) | 
|  |  | 
|  | !llvm.dbg.cu = !{!9} | 
|  | !llvm.module.flags = !{!0} | 
|  |  | 
|  | !0 = !{i32 2, !"Debug Info Version", i32 3} | 
|  | !1 = !DILocalVariable(name: "i", scope: !2, file: !3, line: 31, type: !7) | 
|  | !2 = distinct !DILexicalBlock(scope: !4, file: !3, line: 31, column: 9) | 
|  | !3 = !DIFile(filename: "foo.c", directory: "/bar") | 
|  | !4 = distinct !DISubprogram(name: "f", scope: !3, file: !3, line: 26, type: !5, scopeLine: 27, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !9, retainedNodes: !10) | 
|  | !5 = !DISubroutineType(types: !6) | 
|  | !6 = !{!7, !8, !7} | 
|  | !7 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed) | 
|  | !8 = !DIBasicType(size: 16, encoding: DW_ATE_signed) | 
|  | !9 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "My Compiler", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !10, retainedTypes: !10, globals: !10) | 
|  | !10 = !{} | 
|  | !11 = !DILocation(line: 31, column: 13, scope: !2) |