1 ; RUN: sed -e 's|PATTERN|%/T|g' %s | opt -insert-gcov-profiling -disable-output 2 ; RUN: rm %T/linezero.gcno 3 4 ; RUN: sed -e 's|PATTERN|%/T|g' %s | opt -passes=insert-gcov-profiling -disable-output 5 ; RUN: rm %T/linezero.gcno 6 7 ; This is a crash test. 8 9 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 10 target triple = "x86_64-unknown-linux-gnu" 11 12 %struct.vector = type { i8 } 13 14 ; Function Attrs: nounwind 15 define i32 @_Z4testv() #0 !dbg !15 { 16 entry: 17 %retval = alloca i32, align 4 18 %__range = alloca %struct.vector*, align 8 19 %ref.tmp = alloca %struct.vector, align 1 20 %undef.agg.tmp = alloca %struct.vector, align 1 21 %__begin = alloca i8*, align 8 22 %__end = alloca i8*, align 8 23 %spec = alloca i8, align 1 24 call void @llvm.dbg.declare(metadata %struct.vector** %__range, metadata !27, metadata !DIExpression()), !dbg !30 25 br label %0 26 27 ; <label>:0 ; preds = %entry 28 call void @_Z13TagFieldSpecsv(), !dbg !31 29 store %struct.vector* %ref.tmp, %struct.vector** %__range, align 8, !dbg !31 30 call void @llvm.dbg.declare(metadata i8** %__begin, metadata !32, metadata !DIExpression()), !dbg !30 31 %1 = load %struct.vector*, %struct.vector** %__range, align 8, !dbg !31 32 %call = call i8* @_ZN6vector5beginEv(%struct.vector* %1), !dbg !31 33 store i8* %call, i8** %__begin, align 8, !dbg !31 34 call void @llvm.dbg.declare(metadata i8** %__end, metadata !33, metadata !DIExpression()), !dbg !30 35 %2 = load %struct.vector*, %struct.vector** %__range, align 8, !dbg !31 36 %call1 = call i8* @_ZN6vector3endEv(%struct.vector* %2), !dbg !31 37 store i8* %call1, i8** %__end, align 8, !dbg !31 38 br label %for.cond, !dbg !31 39 40 for.cond: ; preds = %for.inc, %0 41 %3 = load i8*, i8** %__begin, align 8, !dbg !34 42 %4 = load i8*, i8** %__end, align 8, !dbg !34 43 %cmp = icmp ne i8* %3, %4, !dbg !34 44 br i1 %cmp, label %for.body, label %for.end, !dbg !34 45 46 for.body: ; preds = %for.cond 47 call void @llvm.dbg.declare(metadata i8* %spec, metadata !37, metadata !DIExpression()), !dbg !31 48 %5 = load i8*, i8** %__begin, align 8, !dbg !38 49 %6 = load i8, i8* %5, align 1, !dbg !38 50 store i8 %6, i8* %spec, align 1, !dbg !38 51 br label %for.inc, !dbg !38 52 53 for.inc: ; preds = %for.body 54 %7 = load i8*, i8** %__begin, align 8, !dbg !40 55 %incdec.ptr = getelementptr inbounds i8, i8* %7, i32 1, !dbg !40 56 store i8* %incdec.ptr, i8** %__begin, align 8, !dbg !40 57 br label %for.cond, !dbg !40 58 59 for.end: ; preds = %for.cond 60 call void @llvm.trap(), !dbg !42 61 unreachable, !dbg !42 62 63 return: ; No predecessors! 64 %8 = load i32, i32* %retval, !dbg !44 65 ret i32 %8, !dbg !44 66 } 67 68 ; Function Attrs: nounwind readnone 69 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 70 71 declare void @_Z13TagFieldSpecsv() #2 72 73 declare i8* @_ZN6vector5beginEv(%struct.vector*) #2 74 75 declare i8* @_ZN6vector3endEv(%struct.vector*) #2 76 77 ; Function Attrs: noreturn nounwind 78 declare void @llvm.trap() #3 79 80 ; Function Attrs: nounwind 81 define void @_Z2f1v() #0 !dbg !20 { 82 entry: 83 br label %0 84 85 ; <label>:0 ; preds = %entry 86 ret void, !dbg !45 87 } 88 89 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" } 90 attributes #1 = { nounwind readnone } 91 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" } 92 attributes #3 = { noreturn nounwind } 93 94 !llvm.dbg.cu = !{!0} 95 !llvm.module.flags = !{!23, !24} 96 !llvm.gcov = !{!25} 97 !llvm.ident = !{!26} 98 99 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (trunk 209871)", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2) 100 !1 = !DIFile(filename: "<stdin>", directory: "PATTERN") 101 !2 = !{} 102 !3 = !{!4} 103 !4 = !DICompositeType(tag: DW_TAG_structure_type, name: "vector", line: 21, size: 8, align: 8, file: !5, elements: !6, identifier: "_ZTS6vector") 104 !5 = !DIFile(filename: "linezero.cc", directory: "PATTERN") 105 !6 = !{!7, !13} 106 !7 = !DISubprogram(name: "begin", linkageName: "_ZN6vector5beginEv", line: 25, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 25, file: !5, scope: !4, type: !8) 107 !8 = !DISubroutineType(types: !9) 108 !9 = !{!10, !12} 109 !10 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !11) 110 !11 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) 111 !12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !4) 112 !13 = !DISubprogram(name: "end", linkageName: "_ZN6vector3endEv", line: 26, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 26, file: !5, scope: !4, type: !8) 113 !15 = distinct !DISubprogram(name: "test", linkageName: "_Z4testv", line: 50, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 50, file: !5, scope: !16, type: !17, variables: !2) 114 !16 = !DIFile(filename: "linezero.cc", directory: "PATTERN") 115 !17 = !DISubroutineType(types: !18) 116 !18 = !{!19} 117 !19 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 118 !20 = distinct !DISubprogram(name: "f1", linkageName: "_Z2f1v", line: 54, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 54, file: !5, scope: !16, type: !21, variables: !2) 119 !21 = !DISubroutineType(types: !22) 120 !22 = !{null} 121 !23 = !{i32 2, !"Dwarf Version", i32 4} 122 !24 = !{i32 2, !"Debug Info Version", i32 3} 123 !25 = !{!"PATTERN/linezero.o", !0} 124 !26 = !{!"clang version 3.5.0 (trunk 209871)"} 125 !27 = !DILocalVariable(name: "__range", flags: DIFlagArtificial, scope: !28, type: !29) 126 !28 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !15) 127 !29 = !DIDerivedType(tag: DW_TAG_rvalue_reference_type, baseType: !4) 128 !30 = !DILocation(line: 0, scope: !28) 129 !31 = !DILocation(line: 51, scope: !28) 130 !32 = !DILocalVariable(name: "__begin", flags: DIFlagArtificial, scope: !28, type: !10) 131 !33 = !DILocalVariable(name: "__end", flags: DIFlagArtificial, scope: !28, type: !10) 132 !34 = !DILocation(line: 51, scope: !35) 133 !35 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !36) 134 !36 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !28) 135 !37 = !DILocalVariable(name: "spec", line: 51, scope: !28, file: !16, type: !11) 136 !38 = !DILocation(line: 51, scope: !39) 137 !39 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !28) 138 !40 = !DILocation(line: 51, scope: !41) 139 !41 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !28) 140 !42 = !DILocation(line: 51, scope: !43) 141 !43 = distinct !DILexicalBlock(line: 51, column: 0, file: !5, scope: !28) 142 !44 = !DILocation(line: 52, scope: !15) 143 !45 = !DILocation(line: 54, scope: !20) 144