1; Make sure we don't crash when writing bitcode. 2; RUN: opt < %s -loop-deletion -o /dev/null 3 4define void @f() { 5 br label %bb1 6 7bb1: ; preds = %bb1, %0 8 call void @llvm.dbg.value(metadata i16 undef, metadata !1, metadata !DIExpression()), !dbg !11 9 br i1 undef, label %bb1, label %bb3 10 11bb3: ; preds = %bb1 12 ret void 13} 14 15declare void @llvm.dbg.value(metadata, metadata, metadata) 16 17!llvm.dbg.cu = !{!9} 18!llvm.module.flags = !{!0} 19 20!0 = !{i32 2, !"Debug Info Version", i32 3} 21!1 = !DILocalVariable(name: "i", scope: !2, file: !3, line: 31, type: !7) 22!2 = distinct !DILexicalBlock(scope: !4, file: !3, line: 31, column: 9) 23!3 = !DIFile(filename: "foo.c", directory: "/bar") 24!4 = distinct !DISubprogram(name: "f", scope: !3, file: !3, line: 26, type: !5, scopeLine: 27, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !9, retainedNodes: !10) 25!5 = !DISubroutineType(types: !6) 26!6 = !{!7, !8, !7} 27!7 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed) 28!8 = !DIBasicType(size: 16, encoding: DW_ATE_signed) 29!9 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "My Compiler", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !10, retainedTypes: !10, globals: !10) 30!10 = !{} 31!11 = !DILocation(line: 31, column: 13, scope: !2) 32