1 ; RUN: llc -mtriple=x86_64-apple-darwin < %s -o - 2 ; RUN: llc -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck --check-prefix=IGNORE_INTRIN %s 3 4 ; PR16954 5 ; 6 ; Make sure that when we splice off the end of a machine basic block, we include 7 ; DBG_VALUE MI in the terminator sequence. 8 9 @a = external global { i64, [56 x i8] }, align 32 10 11 ; Function Attrs: nounwind sspreq 12 define i32 @_Z18read_response_sizev() #0 !dbg !9 { 13 entry: 14 tail call void @llvm.dbg.value(metadata !22, i64 0, metadata !23, metadata !DIExpression()), !dbg !39 15 %0 = load i64, i64* getelementptr inbounds ({ i64, [56 x i8] }, { i64, [56 x i8] }* @a, i32 0, i32 0), align 8, !dbg !40 16 tail call void @llvm.dbg.value(metadata i32 undef, i64 0, metadata !64, metadata !DIExpression()), !dbg !71 17 %1 = trunc i64 %0 to i32 18 ret i32 %1 19 } 20 21 define i32 @IgnoreIntrinsicTest() #1 { 22 ; IGNORE_INTRIN: IgnoreIntrinsicTest: 23 %1 = alloca i32, align 4 24 %2 = bitcast i32* %1 to i8* 25 call void @llvm.dbg.declare(metadata i32* %1, metadata !73, metadata !DIExpression()), !dbg !74 26 store volatile i32 1, i32* %1, align 4 27 %3 = load volatile i32, i32* %1, align 4 28 %4 = mul nsw i32 %3, 42 29 ret i32 %4 30 ; IGNORE_INTRIN-NOT: callq __stack_chk_fail 31 ; IGNORE_INTRIN: .cfi_endproc 32 } 33 34 ; Function Attrs: nounwind readnone 35 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) 36 declare void @llvm.dbg.declare(metadata, metadata, metadata) 37 38 attributes #0 = { sspreq } 39 40 !llvm.dbg.cu = !{!0} 41 !llvm.module.flags = !{!21, !72} 42 43 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 ", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !5, globals: !20, imports: !5) 44 !1 = !DIFile(filename: "<unknown>", directory: "/Users/matt/ryan_bug") 45 !2 = !{!3} 46 !3 = !DICompositeType(tag: DW_TAG_enumeration_type, line: 20, size: 32, align: 32, file: !1, scope: !4, elements: !6) 47 !4 = !DICompositeType(tag: DW_TAG_structure_type, name: "C", line: 19, size: 8, align: 8, file: !1, elements: !5) 48 !5 = !{} 49 !6 = !{!7} 50 !7 = !DIEnumerator(name: "max_frame_size", value: 0) ; [ DW_TAG_enumerator ] [max_frame_size :: 0] 51 !9 = distinct !DISubprogram(name: "read_response_size", linkageName: "_Z18read_response_sizev", line: 27, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 27, file: !1, scope: !10, type: !11, retainedNodes: !14) 52 !10 = !DIFile(filename: "<unknown>", directory: "/Users/matt/ryan_bug") 53 !11 = !DISubroutineType(types: !12) 54 !12 = !{!13} 55 !13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 56 !14 = !{!15, !19} 57 !15 = !DILocalVariable(name: "b", line: 28, scope: !9, file: !10, type: !16) 58 !16 = !DICompositeType(tag: DW_TAG_structure_type, name: "B", line: 16, size: 32, align: 32, file: !1, elements: !17) 59 !17 = !{!18} 60 !18 = !DIDerivedType(tag: DW_TAG_member, name: "end_of_file", line: 17, size: 32, align: 32, file: !1, scope: !16, baseType: !13) 61 !19 = !DILocalVariable(name: "c", line: 29, scope: !9, file: !10, type: !13) 62 !20 = !{} 63 !21 = !{i32 2, !"Dwarf Version", i32 2} 64 !22 = !{i64* getelementptr inbounds ({ i64, [56 x i8] }, { i64, [56 x i8] }* @a, i32 0, i32 0)} 65 !23 = !DILocalVariable(name: "p2", line: 12, arg: 2, scope: !24, file: !10, type: !32) 66 !24 = distinct !DISubprogram(name: "min<unsigned long long>", linkageName: "_ZN3__13minIyEERKT_S3_RS1_", line: 12, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 12, file: !1, scope: !25, type: !27, templateParams: !33, retainedNodes: !35) 67 !25 = !DINamespace(name: "__1", scope: null) 68 !26 = !DIFile(filename: "main.cpp", directory: "/Users/matt/ryan_bug") 69 !27 = !DISubroutineType(types: !28) 70 !28 = !{!29, !29, !32} 71 !29 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !30) 72 !30 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !31) 73 !31 = !DIBasicType(tag: DW_TAG_base_type, name: "long long unsigned int", size: 64, align: 64, encoding: DW_ATE_unsigned) 74 !32 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !31) 75 !33 = !{!34} 76 !34 = !DITemplateTypeParameter(name: "_Tp", type: !31) 77 !35 = !{!36, !37} 78 !36 = !DILocalVariable(name: "p1", line: 12, arg: 1, scope: !24, file: !10, type: !29) 79 !37 = !DILocalVariable(name: "p2", line: 12, arg: 2, scope: !24, file: !10, type: !32) 80 !38 = !DILocation(line: 33, scope: !9) 81 !39 = !DILocation(line: 12, scope: !24, inlinedAt: !38) 82 !40 = !DILocation(line: 9, scope: !41, inlinedAt: !59) 83 !41 = distinct !DISubprogram(name: "min<unsigned long long, __1::A>", linkageName: "_ZN3__13minIyNS_1AEEERKT_S4_RS2_T0_", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 8, file: !1, scope: !25, type: !42, templateParams: !53, retainedNodes: !55) 84 !42 = !DISubroutineType(types: !43) 85 !43 = !{!29, !29, !32, !44} 86 !44 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", size: 8, align: 8, file: !1, scope: !25, elements: !45) 87 !45 = !{!46} 88 !46 = !DISubprogram(name: "operator()", linkageName: "_ZN3__11AclERKiS2_", line: 1, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 1, file: !1, scope: !44, type: !47) 89 !47 = !DISubroutineType(types: !48) 90 !48 = !{!13, !49, !50, !50} 91 !49 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !44) 92 !50 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !51) 93 !51 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !13) 94 !53 = !{!34, !54} 95 !54 = !DITemplateTypeParameter(name: "_Compare", type: !44) 96 !55 = !{!56, !57, !58} 97 !56 = !DILocalVariable(name: "p1", line: 7, arg: 1, scope: !41, file: !10, type: !29) 98 !57 = !DILocalVariable(name: "p2", line: 7, arg: 2, scope: !41, file: !10, type: !32) 99 !58 = !DILocalVariable(name: "p3", line: 8, arg: 3, scope: !41, file: !10, type: !44) 100 !59 = !DILocation(line: 13, scope: !24, inlinedAt: !38) 101 !63 = !{i32 undef} 102 !64 = !DILocalVariable(name: "p1", line: 1, arg: 2, scope: !65, file: !10, type: !50) 103 !65 = distinct !DISubprogram(name: "operator()", linkageName: "_ZN3__11AclERKiS2_", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 2, file: !1, scope: !25, type: !47, declaration: !46, retainedNodes: !66) 104 !66 = !{!67, !69, !70} 105 !67 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !65, type: !68) 106 !68 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !44) 107 !69 = !DILocalVariable(name: "p1", line: 1, arg: 2, scope: !65, file: !10, type: !50) 108 !70 = !DILocalVariable(name: "", line: 2, arg: 3, scope: !65, file: !10, type: !50) 109 !71 = !DILocation(line: 1, scope: !65, inlinedAt: !40) 110 !72 = !{i32 1, !"Debug Info Version", i32 3} 111 !73 = !DILocalVariable(name: "x", scope: !74, file: !1, line: 2, type: !13) 112 !74 = distinct !DISubprogram(name: "IgnoreIntrinsicTest", linkageName: "IgnoreIntrinsicTest", scope: !1, file: !1, line: 1, type: !13, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !5) 113 !75 = !DILocation(line: 2, column: 16, scope: !7) 114
