1 ; RUN: llc -mtriple=x86_64-apple-macosx < %s -verify-machineinstrs | FileCheck %s 2 ; 3 ; PR16143: MachineOperand::setIsKill(bool): Assertion 4 ; 5 ; verify-machineinstrs should ensure that DEBUG_VALUEs go before the 6 ; terminator. 7 ; 8 ; CHECK-LABEL: test: 9 ; CHECK: ##DEBUG_VALUE: foo:i 10 %a = type { i32, i32 } 11 12 define hidden fastcc %a* @test() #1 !dbg !1 { 13 entry: 14 %0 = icmp eq %a* undef, null, !dbg !12 15 br i1 %0, label %"14", label %return, !dbg !12 16 17 "14": ; preds = %"8" 18 br i1 undef, label %"25", label %"21", !dbg !12 19 20 "21": ; preds = %"14" 21 br i1 undef, label %may_unswitch_on.exit, label %"6.i", !dbg !12 22 23 "6.i": ; preds = %"21" 24 br i1 undef, label %"10.i", label %may_unswitch_on.exit, !dbg !12 25 26 "10.i": ; preds = %"6.i" 27 br i1 undef, label %may_unswitch_on.exit, label %"12.i", !dbg !12 28 29 "12.i": ; preds = %"10.i" 30 br i1 undef, label %"4.i.i", label %"3.i.i", !dbg !12 31 32 "3.i.i": ; preds = %"12.i" 33 br i1 undef, label %"4.i.i", label %VEC_edge_base_index.exit.i, !dbg !12 34 35 "4.i.i": ; preds = %"3.i.i", %"12.i" 36 unreachable, !dbg !12 37 38 VEC_edge_base_index.exit.i: ; preds = %"3.i.i" 39 br i1 undef, label %may_unswitch_on.exit, label %"16.i", !dbg !12 40 41 "16.i": ; preds = %VEC_edge_base_index.exit.i 42 br i1 undef, label %"4.i6.i", label %"3.i5.i", !dbg !12 43 44 "3.i5.i": ; preds = %"16.i" 45 br i1 undef, label %VEC_edge_base_index.exit7.i, label %"4.i6.i", !dbg !12 46 47 "4.i6.i": ; preds = %"3.i5.i", %"16.i" 48 unreachable, !dbg !12 49 50 VEC_edge_base_index.exit7.i: ; preds = %"3.i5.i" 51 br i1 undef, label %may_unswitch_on.exit, label %"21.i", !dbg !12 52 53 "21.i": ; preds = %VEC_edge_base_index.exit7.i 54 br i1 undef, label %may_unswitch_on.exit, label %"23.i", !dbg !12 55 56 "23.i": ; preds = %"21.i" 57 br i1 undef, label %may_unswitch_on.exit, label %"26.i", !dbg !12 58 59 "26.i": ; preds = %"34.i", %"23.i" 60 %1 = icmp eq i32 undef, 9, !dbg !12 61 br i1 %1, label %"34.i", label %"28.i", !dbg !12 62 63 "28.i": ; preds = %"26.i" 64 unreachable 65 66 "34.i": ; preds = %"26.i" 67 br i1 undef, label %"26.i", label %"36.i", !dbg !12 68 69 "36.i": ; preds = %"34.i" 70 br i1 undef, label %"37.i", label %"38.i", !dbg !12 71 72 "37.i": ; preds = %"36.i" 73 br label %"38.i", !dbg !12 74 75 "38.i": ; preds = %"37.i", %"36.i" 76 br i1 undef, label %"39.i", label %"45.i", !dbg !12 77 78 "39.i": ; preds = %"38.i" 79 br i1 undef, label %"41.i", label %may_unswitch_on.exit, !dbg !12 80 81 "41.i": ; preds = %"39.i" 82 br i1 undef, label %may_unswitch_on.exit, label %"42.i", !dbg !12 83 84 "42.i": ; preds = %"41.i" 85 br i1 undef, label %may_unswitch_on.exit, label %"44.i", !dbg !12 86 87 "44.i": ; preds = %"42.i" 88 %2 = load %a*, %a** undef, align 8, !dbg !12 89 %3 = bitcast %a* %2 to %a*, !dbg !12 90 call void @llvm.dbg.value(metadata %a* %3, i64 0, metadata !6, metadata !DIExpression()), !dbg !12 91 br label %may_unswitch_on.exit, !dbg !12 92 93 "45.i": ; preds = %"38.i" 94 unreachable 95 96 may_unswitch_on.exit: ; preds = %"44.i", %"42.i", %"41.i", %"39.i", %"23.i", %"21.i", %VEC_edge_base_index.exit7.i, %VEC_edge_base_index.exit.i, %"10.i", %"6.i", %"21" 97 %4 = phi %a* [ %3, %"44.i" ], [ null, %"6.i" ], [ null, %"10.i" ], [ null, %VEC_edge_base_index.exit7.i ], [ null, %VEC_edge_base_index.exit.i ], [ null, %"21.i" ], [ null, %"23.i" ], [ null, %"39.i" ], [ null, %"42.i" ], [ null, %"41.i" ], [ null, %"21" ] 98 br label %return 99 100 "25": ; preds = %"14" 101 unreachable 102 103 "return": 104 %result = phi %a* [ null, %entry ], [ %4, %may_unswitch_on.exit ] 105 ret %a* %result, !dbg !12 106 } 107 108 attributes #0 = { nounwind readnone } 109 attributes #1 = { nounwind uwtable } 110 111 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone 112 113 !llvm.dbg.cu = !{!0} 114 !llvm.module.flags = !{!22} 115 116 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "Apple clang version", isOptimized: true, emissionKind: 1, file: !20, enums: !21, retainedTypes: !21, subprograms: !18, imports: null) 117 !1 = distinct !DISubprogram(name: "foo", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, file: !20, scope: !2, type: !3, variables: !19) 118 !2 = !DIFile(filename: "a.c", directory: "/private/tmp") 119 !3 = !DISubroutineType(types: !4) 120 !4 = !{!5} 121 !5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 122 !6 = !DILocalVariable(name: "i", line: 2, arg: 1, scope: !1, file: !2, type: !5) 123 !7 = !DILocalVariable(name: "c", line: 2, arg: 2, scope: !1, file: !2, type: !8) 124 !8 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, scope: !0, baseType: !9) 125 !9 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) 126 !10 = !DILocalVariable(name: "a", line: 3, scope: !11, file: !2, type: !9) 127 !11 = distinct !DILexicalBlock(line: 2, column: 25, file: !20, scope: !1) 128 !12 = !DILocation(line: 2, column: 13, scope: !1) 129 !18 = !{!1} 130 !19 = !{!6, !7, !10} 131 !20 = !DIFile(filename: "a.c", directory: "/private/tmp") 132 !21 = !{} 133 !22 = !{i32 1, !"Debug Info Version", i32 3} 134
