1 ; RUN: sed -e 's|PATTERN|%/T|g' %s | opt -insert-gcov-profiling -disable-output 2 ; RUN: rm %T/linezero.gcno 3 4 ; This is a crash test. 5 6 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 7 target triple = "x86_64-unknown-linux-gnu" 8 9 %struct.vector = type { i8 } 10 11 ; Function Attrs: nounwind 12 define i32 @_Z4testv() #0 !dbg !15 { 13 entry: 14 %retval = alloca i32, align 4 15 %__range = alloca %struct.vector*, align 8 16 %ref.tmp = alloca %struct.vector, align 1 17 %undef.agg.tmp = alloca %struct.vector, align 1 18 %__begin = alloca i8*, align 8 19 %__end = alloca i8*, align 8 20 %spec = alloca i8, align 1 21 call void @llvm.dbg.declare(metadata %struct.vector** %__range, metadata !27, metadata !DIExpression()), !dbg !30 22 br label %0 23 24 ; <label>:0 ; preds = %entry 25 call void @_Z13TagFieldSpecsv(), !dbg !31 26 store %struct.vector* %ref.tmp, %struct.vector** %__range, align 8, !dbg !31 27 call void @llvm.dbg.declare(metadata i8** %__begin, metadata !32, metadata !DIExpression()), !dbg !30 28 %1 = load %struct.vector*, %struct.vector** %__range, align 8, !dbg !31 29 %call = call i8* @_ZN6vector5beginEv(%struct.vector* %1), !dbg !31 30 store i8* %call, i8** %__begin, align 8, !dbg !31 31 call void @llvm.dbg.declare(metadata i8** %__end, metadata !33, metadata !DIExpression()), !dbg !30 32 %2 = load %struct.vector*, %struct.vector** %__range, align 8, !dbg !31 33 %call1 = call i8* @_ZN6vector3endEv(%struct.vector* %2), !dbg !31 34 store i8* %call1, i8** %__end, align 8, !dbg !31 35 br label %for.cond, !dbg !31 36 37 for.cond: ; preds = %for.inc, %0 38 %3 = load i8*, i8** %__begin, align 8, !dbg !34 39 %4 = load i8*, i8** %__end, align 8, !dbg !34 40 %cmp = icmp ne i8* %3, %4, !dbg !34 41 br i1 %cmp, label %for.body, label %for.end, !dbg !34 42 43 for.body: ; preds = %for.cond 44 call void @llvm.dbg.declare(metadata i8* %spec, metadata !37, metadata !DIExpression()), !dbg !31 45 %5 = load i8*, i8** %__begin, align 8, !dbg !38 46 %6 = load i8, i8* %5, align 1, !dbg !38 47 store i8 %6, i8* %spec, align 1, !dbg !38 48 br label %for.inc, !dbg !38 49 50 for.inc: ; preds = %for.body 51 %7 = load i8*, i8** %__begin, align 8, !dbg !40 52 %incdec.ptr = getelementptr inbounds i8, i8* %7, i32 1, !dbg !40 53 store i8* %incdec.ptr, i8** %__begin, align 8, !dbg !40 54 br label %for.cond, !dbg !40 55 56 for.end: ; preds = %for.cond 57 call void @llvm.trap(), !dbg !42 58 unreachable, !dbg !42 59 60 return: ; No predecessors! 61 %8 = load i32, i32* %retval, !dbg !44 62 ret i32 %8, !dbg !44 63 } 64 65 ; Function Attrs: nounwind readnone 66 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 67 68 declare void @_Z13TagFieldSpecsv() #2 69 70 declare i8* @_ZN6vector5beginEv(%struct.vector*) #2 71 72 declare i8* @_ZN6vector3endEv(%struct.vector*) #2 73 74 ; Function Attrs: noreturn nounwind 75 declare void @llvm.trap() #3 76 77 ; Function Attrs: nounwind 78 define void @_Z2f1v() #0 !dbg !20 { 79 entry: 80 br label %0 81 82 ; <label>:0 ; preds = %entry 83 ret void, !dbg !45 84 } 85 86 attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 87 attributes #1 = { nounwind readnone } 88 attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 89 attributes #3 = { noreturn nounwind } 90 91 !llvm.dbg.cu = !{!0} 92 !llvm.module.flags = !{!23, !24} 93 !llvm.gcov = !{!25} 94 !llvm.ident = !{!26} 95 96 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (trunk 209871)", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !14, globals: !2, imports: !2) 97 !1 = !DIFile(filename: "<stdin>", directory: "PATTERN") 98 !2 = !{} 99 !3 = !{!4} 100 !4 = !DICompositeType(tag: DW_TAG_structure_type, name: "vector", line: 21, size: 8, align: 8, file: !5, elements: !6, identifier: "_ZTS6vector") 101 !5 = !DIFile(filename: "linezero.cc", directory: "PATTERN") 102 !6 = !{!7, !13} 103 !7 = !DISubprogram(name: "begin", linkageName: "_ZN6vector5beginEv", line: 25, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 25, file: !5, scope: !"_ZTS6vector", type: !8) 104 !8 = !DISubroutineType(types: !9) 105 !9 = !{!10, !12} 106 !10 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !11) 107 !11 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) 108 !12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS6vector") 109 !13 = !DISubprogram(name: "end", linkageName: "_ZN6vector3endEv", line: 26, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 26, file: !5, scope: !"_ZTS6vector", type: !8) 110 !14 = !{!15, !20} 111 !15 = distinct !DISubprogram(name: "test", linkageName: "_Z4testv", line: 50, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 50, file: !5, scope: !16, type: !17, variables: !2) 112 !16 = !DIFile(filename: "linezero.cc", directory: "PATTERN") 113 !17 = !DISubroutineType(types: !18) 114 !18 = !{!19} 115 !19 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 116 !20 = distinct !DISubprogram(name: "f1", linkageName: "_Z2f1v", line: 54, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 54, file: !5, scope: !16, type: !21, variables: !2) 117 !21 = !DISubroutineType(types: !22) 118 !22 = !{null} 119 !23 = !{i32 2, !"Dwarf Version", i32 4} 120 !24 = !{i32 2, !"Debug Info Version", i32 3} 121 !25 = !{!"PATTERN/linezero.o", !0} 122 !26 = !{!"clang version 3.5.0 (trunk 209871)"} 123 !27 = !DILocalVariable(name: "__range", flags: DIFlagArtificial, scope: !28, type: !29) 124 !28 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !15) 125 !29 = !DIDerivedType(tag: DW_TAG_rvalue_reference_type, baseType: !"_ZTS6vector") 126 !30 = !DILocation(line: 0, scope: !28) 127 !31 = !DILocation(line: 51, scope: !28) 128 !32 = !DILocalVariable(name: "__begin", flags: DIFlagArtificial, scope: !28, type: !10) 129 !33 = !DILocalVariable(name: "__end", flags: DIFlagArtificial, scope: !28, type: !10) 130 !34 = !DILocation(line: 51, scope: !35) 131 !35 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !36) 132 !36 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !28) 133 !37 = !DILocalVariable(name: "spec", line: 51, scope: !28, file: !16, type: !11) 134 !38 = !DILocation(line: 51, scope: !39) 135 !39 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !28) 136 !40 = !DILocation(line: 51, scope: !41) 137 !41 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !28) 138 !42 = !DILocation(line: 51, scope: !43) 139 !43 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !28) 140 !44 = !DILocation(line: 52, scope: !15) 141 !45 = !DILocation(line: 54, scope: !20) 142
