1; RUN: llc < %s -mtriple=x86_64-apple-macosx -enable-misched \ 2; RUN: -verify-machineinstrs | FileCheck %s 3; 4; Test MachineScheduler handling of DBG_VALUE. 5; rdar://12776937. 6; 7; CHECK: %if.else581 8; CHECK: DEBUG_VALUE: num1 9; CHECK: call 10 11%union.rec = type {} 12 13@.str15 = external hidden unnamed_addr constant [6 x i8], align 1 14 15declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone 16 17define i32 @AttachGalley(%union.rec** nocapture %suspend_pt) nounwind uwtable ssp !dbg !21 { 18entry: 19 %num14075 = alloca [20 x i8], align 16 20 br label %if.end33 21 22if.end33: ; preds = %entry 23 %cmp1733 = icmp eq i32 undef, 0 24 br label %if.else581 25 26if.else581: ; preds = %if.end33 27 %cmp586 = icmp eq i8 undef, -123 28 br i1 %cmp586, label %if.then588, label %if.else594 29 30if.then588: ; preds = %if.else581 31 br label %for.cond1710.preheader 32 33if.else594: ; preds = %if.else581 34 unreachable 35 36for.cond1710.preheader: ; preds = %if.then588 37 br label %for.cond1710 38 39for.cond1710: ; preds = %for.cond1710, %for.cond1710.preheader 40 br i1 undef, label %for.cond1710, label %if.then3344 41 42if.then3344: 43 br label %if.then4073 44 45if.then4073: ; preds = %if.then3344 46 call void @llvm.dbg.declare(metadata [20 x i8]* %num14075, metadata !4, metadata !DIExpression()), !dbg !DILocation(scope: !5) 47 %arraydecay4078 = getelementptr inbounds [20 x i8], [20 x i8]* %num14075, i64 0, i64 0 48 %0 = load i32, i32* undef, align 4 49 %add4093 = add nsw i32 %0, 0 50 %conv4094 = sitofp i32 %add4093 to float 51 %div4095 = fdiv float %conv4094, 5.670000e+02 52 %conv4096 = fpext float %div4095 to double 53 %call4097 = call i32 (i8*, i32, i64, i8*, ...) @__sprintf_chk(i8* %arraydecay4078, i32 0, i64 20, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str15, i64 0, i64 0), double %conv4096) nounwind 54 br i1 %cmp1733, label %if.then4107, label %if.else4114 55 56if.then4107: ; preds = %if.then4073 57 unreachable 58 59if.else4114: ; preds = %if.then4073 60 unreachable 61} 62 63declare i32 @__sprintf_chk(i8*, i32, i64, i8*, ...) 64 65!llvm.dbg.cu = !{!0} 66!llvm.module.flags = !{!35} 67 68!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.3 (trunk 168918) (llvm/trunk 168920)", isOptimized: true, emissionKind: FullDebug, file: !19, enums: !2, retainedTypes: !2, globals: !2) 69!1 = !{!2} 70!2 = !{} 71!4 = !DILocalVariable(name: "num1", line: 815, scope: !5, file: !14, type: !15) 72!5 = distinct !DILexicalBlock(line: 815, column: 0, file: !14, scope: !6) 73!6 = distinct !DILexicalBlock(line: 812, column: 0, file: !14, scope: !7) 74!7 = distinct !DILexicalBlock(line: 807, column: 0, file: !14, scope: !8) 75!8 = distinct !DILexicalBlock(line: 440, column: 0, file: !14, scope: !9) 76!9 = distinct !DILexicalBlock(line: 435, column: 0, file: !14, scope: !10) 77!10 = distinct !DILexicalBlock(line: 434, column: 0, file: !14, scope: !11) 78!11 = distinct !DILexicalBlock(line: 250, column: 0, file: !14, scope: !12) 79!12 = distinct !DILexicalBlock(line: 249, column: 0, file: !14, scope: !13) 80!13 = distinct !DILexicalBlock(line: 221, column: 0, file: !14, scope: !21) 81!14 = !DIFile(filename: "MultiSource/Benchmarks/MiBench/consumer-typeset/z19.c", directory: "MultiSource/Benchmarks/MiBench/consumer-typeset") 82!15 = !DICompositeType(tag: DW_TAG_array_type, size: 160, align: 8, baseType: !16, elements: !17) 83!16 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) 84!17 = !{!18} 85!18 = !DISubrange(count: 20) 86!19 = !DIFile(filename: "MultiSource/Benchmarks/MiBench/consumer-typeset/z19.c", directory: "MultiSource/Benchmarks/MiBench/consumer-typeset") 87 88!21 = distinct !DISubprogram(name: "AttachGalley", isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 1, file: !19, scope: !14, type: !22) 89!22 = !DISubroutineType(types: !23) 90!23 = !{null} 91 92; Test DebugValue uses visited by RegisterPressureTracker findUseBetween(). 93; 94; CHECK: @main 95; CHECK: DEBUG_VALUE: main:X 96; CHECK: call 97 98%"class.__gnu_cxx::hash_map" = type { %"class.__gnu_cxx::hashtable" } 99%"class.__gnu_cxx::hashtable" = type { i64, i64, i64, i64, i64, i64 } 100 101define void @main() uwtable ssp personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) !dbg !37 { 102entry: 103 %X = alloca %"class.__gnu_cxx::hash_map", align 8 104 br i1 undef, label %cond.true, label %cond.end 105 106cond.true: ; preds = %entry 107 unreachable 108 109cond.end: ; preds = %entry 110 call void @llvm.dbg.declare(metadata %"class.__gnu_cxx::hash_map"* %X, metadata !31, metadata !DIExpression()), !dbg !DILocation(scope: !37) 111 %_M_num_elements.i.i.i.i = getelementptr inbounds %"class.__gnu_cxx::hash_map", %"class.__gnu_cxx::hash_map"* %X, i64 0, i32 0, i32 5 112 invoke void @_Znwm() 113 to label %exit.i unwind label %lpad2.i.i.i.i 114 115exit.i: ; preds = %cond.end 116 unreachable 117 118lpad2.i.i.i.i: ; preds = %cond.end 119 %0 = landingpad { i8*, i32 } 120 cleanup 121 br i1 undef, label %lpad.body.i.i, label %if.then.i.i.i.i.i.i.i.i 122 123if.then.i.i.i.i.i.i.i.i: ; preds = %lpad2.i.i.i.i 124 unreachable 125 126lpad.body.i.i: ; preds = %lpad2.i.i.i.i 127 resume { i8*, i32 } %0 128} 129 130declare i32 @__gxx_personality_v0(...) 131 132declare void @_Znwm() 133 134!llvm.dbg.cu = !{!30} 135 136!30 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.3 (trunk 169129) (llvm/trunk 169135)", isOptimized: true, emissionKind: FullDebug, file: !34, enums: !2, retainedTypes: !2) 137!31 = !DILocalVariable(name: "X", line: 29, scope: !37, type: !32) 138!32 = !DIDerivedType(tag: DW_TAG_typedef, name: "HM", line: 28, file: !34, baseType: null) 139!33 = !DIFile(filename: "SingleSource/Benchmarks/Shootout-C++/hash.cpp", directory: "SingleSource/Benchmarks/Shootout-C++") 140!34 = !DIFile(filename: "SingleSource/Benchmarks/Shootout-C++/hash.cpp", directory: "SingleSource/Benchmarks/Shootout-C++") 141!35 = !{i32 1, !"Debug Info Version", i32 3} 142!37 = distinct !DISubprogram(name: "main", isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !30, scopeLine: 1, file: !19, scope: !14, type: !22) 143