1; RUN: llc %s -mtriple=i386-apple-macosx10.6.7 -o /dev/null 2 3; This used to crash because early dup was not ignoring debug instructions. 4 5%struct.cpp_dir = type { %struct.cpp_dir*, i8*, i32, i8, i8**, i8*, i8* (i8*, %struct.cpp_dir*)*, i64, i32, i8 } 6 7declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone 8 9define internal i8* @framework_construct_pathname(i8* %fname, %struct.cpp_dir* %dir) nounwind ssp !dbg !2 { 10entry: 11 br i1 undef, label %bb33, label %bb 12 13bb: ; preds = %entry 14 %tmp = icmp eq i32 undef, 0 15 %tmp1 = add i32 0, 11 16 call void @llvm.dbg.value(metadata i32 %tmp1, i64 0, metadata !0, metadata !DIExpression()), !dbg !DILocation(scope: !1) 17 br i1 undef, label %bb18, label %bb31.preheader 18 19bb31.preheader: ; preds = %bb19, %bb 20 %tmp2 = getelementptr inbounds i8, i8* %fname, i32 0 21 br label %bb31 22 23bb18: ; preds = %bb 24 %tmp3 = icmp eq i32 undef, 0 25 br i1 %tmp3, label %bb19, label %bb33 26 27bb19: ; preds = %bb18 28 call void @foobar(i32 0) 29 br label %bb31.preheader 30 31bb22: ; preds = %bb31 32 %tmp4 = add i32 0, %tmp1 33 call void @foobar(i32 %tmp4) 34 br i1 undef, label %bb33, label %bb31 35 36bb31: ; preds = %bb22, %bb31.preheader 37 br i1 false, label %bb33, label %bb22 38 39bb33: ; preds = %bb31, %bb22, %bb18, %entry 40 ret i8* undef 41} 42 43declare void @foobar(i32) 44 45!llvm.dbg.cu = !{!4} 46!llvm.module.flags = !{!47} 47!0 = !DILocalVariable(name: "frname_len", line: 517, scope: !1, file: !3, type: !38) 48!1 = distinct !DILexicalBlock(line: 515, column: 0, file: !44, scope: !2) 49!2 = distinct !DISubprogram(name: "framework_construct_pathname", line: 515, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !4, file: !44, scope: null, type: !5) 50!3 = !DIFile(filename: "darwin-c.c", directory: "/Users/espindola/llvm/build-llvm-gcc/gcc/../../llvm-gcc-4.2/gcc/config") 51!4 = distinct !DICompileUnit(language: DW_LANG_C89, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, emissionKind: FullDebug, file: !44, enums: !46, retainedTypes: !46) 52!5 = !DISubroutineType(types: !6) 53!6 = !{!7, !9, !11} 54!7 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, file: !44, scope: !3, baseType: !8) 55!8 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) 56!9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, file: !44, scope: !3, baseType: !10) 57!10 = !DIDerivedType(tag: DW_TAG_const_type, size: 8, align: 8, file: !44, scope: !3, baseType: !8) 58!11 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, file: !44, scope: !3, baseType: !12) 59!12 = !DIDerivedType(tag: DW_TAG_typedef, name: "cpp_dir", line: 45, file: !41, scope: !13, baseType: !14) 60!13 = !DIFile(filename: "cpplib.h", directory: "/Users/espindola/llvm/build-llvm-gcc/gcc/../../llvm-gcc-4.2/gcc/../libcpp/include") 61!14 = !DICompositeType(tag: DW_TAG_structure_type, name: "cpp_dir", line: 43, size: 352, align: 32, file: !41, scope: !3, elements: !15) 62!15 = !{!16, !18, !19, !21, !23, !25, !27, !29, !33, !36} 63!16 = !DIDerivedType(tag: DW_TAG_member, name: "next", line: 572, size: 32, align: 32, file: !41, scope: !14, baseType: !17) 64!17 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, file: !44, scope: !3, baseType: !14) 65!18 = !DIDerivedType(tag: DW_TAG_member, name: "name", line: 575, size: 32, align: 32, offset: 32, file: !41, scope: !14, baseType: !7) 66!19 = !DIDerivedType(tag: DW_TAG_member, name: "len", line: 576, size: 32, align: 32, offset: 64, file: !41, scope: !14, baseType: !20) 67!20 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned) 68!21 = !DIDerivedType(tag: DW_TAG_member, name: "sysp", line: 580, size: 8, align: 8, offset: 96, file: !41, scope: !14, baseType: !22) 69!22 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned char", size: 8, align: 8, encoding: DW_ATE_unsigned_char) 70!23 = !DIDerivedType(tag: DW_TAG_member, name: "name_map", line: 584, size: 32, align: 32, offset: 128, file: !41, scope: !14, baseType: !24) 71!24 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, file: !44, scope: !3, baseType: !9) 72!25 = !DIDerivedType(tag: DW_TAG_member, name: "header_map", line: 590, size: 32, align: 32, offset: 160, file: !41, scope: !14, baseType: !26) 73!26 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, file: !44, scope: !3, baseType: null) 74!27 = !DIDerivedType(tag: DW_TAG_member, name: "construct", line: 597, size: 32, align: 32, offset: 192, file: !41, scope: !14, baseType: !28) 75!28 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, file: !44, scope: !3, baseType: !5) 76!29 = !DIDerivedType(tag: DW_TAG_member, name: "ino", line: 601, size: 64, align: 64, offset: 224, file: !41, scope: !14, baseType: !30) 77!30 = !DIDerivedType(tag: DW_TAG_typedef, name: "ino_t", line: 141, file: !42, scope: !31, baseType: !32) 78!31 = !DIFile(filename: "types.h", directory: "/usr/include/sys") 79!32 = !DIBasicType(tag: DW_TAG_base_type, name: "long long unsigned int", size: 64, align: 64, encoding: DW_ATE_unsigned) 80!33 = !DIDerivedType(tag: DW_TAG_member, name: "dev", line: 602, size: 32, align: 32, offset: 288, file: !41, scope: !14, baseType: !34) 81!34 = !DIDerivedType(tag: DW_TAG_typedef, name: "dev_t", line: 107, file: !42, scope: !31, baseType: !35) 82!35 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 83!36 = !DIDerivedType(tag: DW_TAG_member, name: "user_supplied_p", line: 605, size: 8, align: 8, offset: 320, file: !41, scope: !14, baseType: !37) 84!37 = !DIBasicType(tag: DW_TAG_base_type, name: "_Bool", size: 8, align: 8, encoding: DW_ATE_boolean) 85!38 = !DIDerivedType(tag: DW_TAG_typedef, name: "size_t", line: 326, file: !43, scope: !39, baseType: !40) 86!39 = !DIFile(filename: "stddef.h", directory: "/Users/espindola/llvm/build-llvm-gcc/./prev-gcc/include") 87!40 = !DIBasicType(tag: DW_TAG_base_type, name: "long unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned) 88!41 = !DIFile(filename: "cpplib.h", directory: "/Users/espindola/llvm/build-llvm-gcc/gcc/../../llvm-gcc-4.2/gcc/../libcpp/include") 89!42 = !DIFile(filename: "types.h", directory: "/usr/include/sys") 90!43 = !DIFile(filename: "stddef.h", directory: "/Users/espindola/llvm/build-llvm-gcc/./prev-gcc/include") 91!44 = !DIFile(filename: "darwin-c.c", directory: "/Users/espindola/llvm/build-llvm-gcc/gcc/../../llvm-gcc-4.2/gcc/config") 92!46 = !{} 93!47 = !{i32 1, !"Debug Info Version", i32 3} 94