1 ; RUN: llc %s -o /dev/null 2 ; Here variable bar is optimized away. Do not trip over while trying to generate debug info. 3 4 5 define i32 @foo() nounwind uwtable readnone ssp !dbg !5 { 6 entry: 7 ret i32 42, !dbg !15 8 } 9 10 !llvm.dbg.cu = !{!0} 11 !llvm.module.flags = !{!18} 12 13 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.0 (trunk 139632)", isOptimized: true, emissionKind: FullDebug, file: !17, enums: !1, retainedTypes: !1, globals: !12) 14 !1 = !{} 15 !5 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, unit: !0, file: !17, scope: !6, type: !7) 16 !6 = !DIFile(filename: "fb.c", directory: "/private/tmp") 17 !7 = !DISubroutineType(types: !8) 18 !8 = !{!9} 19 !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 20 !12 = !{!14} 21 !14 = !DIGlobalVariable(name: "bar", line: 2, isLocal: true, isDefinition: true, scope: !5, file: !6, type: !9) 22 !15 = !DILocation(line: 3, column: 3, scope: !16) 23 !16 = distinct !DILexicalBlock(line: 1, column: 11, file: !17, scope: !5) 24 !17 = !DIFile(filename: "fb.c", directory: "/private/tmp") 25 !18 = !{i32 1, !"Debug Info Version", i32 3} 26