1; Make sure we don't crash when writing bitcode. 2; RUN: opt < %s -passes=loop-deletion -o /dev/null 3; RUN: opt < %s -passes=loop-deletion -o /dev/null --try-experimental-debuginfo-iterators 4 5define void @f(i1 %arg) { 6 br label %bb1 7 8bb1: ; preds = %bb1, %0 9 call void @llvm.dbg.value(metadata i16 undef, metadata !1, metadata !DIExpression()), !dbg !11 10 br i1 %arg, label %bb1, label %bb3 11 12bb3: ; preds = %bb1 13 ret void 14} 15 16declare void @llvm.dbg.value(metadata, metadata, metadata) 17 18!llvm.dbg.cu = !{!9} 19!llvm.module.flags = !{!0} 20 21!0 = !{i32 2, !"Debug Info Version", i32 3} 22!1 = !DILocalVariable(name: "i", scope: !2, file: !3, line: 31, type: !7) 23!2 = distinct !DILexicalBlock(scope: !4, file: !3, line: 31, column: 9) 24!3 = !DIFile(filename: "foo.c", directory: "/bar") 25!4 = distinct !DISubprogram(name: "f", scope: !3, file: !3, line: 26, type: !5, scopeLine: 27, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !9, retainedNodes: !10) 26!5 = !DISubroutineType(types: !6) 27!6 = !{!7, !8, !7} 28!7 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed) 29!8 = !DIBasicType(size: 16, encoding: DW_ATE_signed) 30!9 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "My Compiler", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !10, retainedTypes: !10, globals: !10) 31!10 = !{} 32!11 = !DILocation(line: 31, column: 13, scope: !2) 33