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 source_filename = "test/DebugInfo/Generic/2009-11-05-DeadGlobalVariable.ll" 5 6 ; Function Attrs: nounwind readnone ssp uwtable 7 define i32 @foo() #0 !dbg !6 { 8 entry: 9 ret i32 42, !dbg !11 10 } 11 12 attributes #0 = { nounwind readnone ssp uwtable } 13 14 !llvm.dbg.cu = !{!0} 15 !llvm.module.flags = !{!10} 16 17 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.0 (trunk 139632)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !3) 18 !1 = !DIFile(filename: "fb.c", directory: "/private/tmp") 19 !2 = !{} 20 !3 = !{!4} 21 !4 = !DIGlobalVariableExpression(var: !5, expr: !DIExpression()) 22 !5 = !DIGlobalVariable(name: "bar", scope: !6, file: !1, line: 2, type: !9, isLocal: true, isDefinition: true) 23 !6 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, unit: !0) 24 !7 = !DISubroutineType(types: !8) 25 !8 = !{!9} 26 !9 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 27 !10 = !{i32 1, !"Debug Info Version", i32 3} 28 !11 = !DILocation(line: 3, column: 3, scope: !12) 29 !12 = distinct !DILexicalBlock(scope: !6, file: !1, line: 1, column: 11) 30 31
