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      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 
     15 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
     16 
     17 define i32 @AttachGalley(%union.rec** nocapture %suspend_pt) nounwind uwtable ssp {
     18 entry:
     19   %num14075 = alloca [20 x i8], align 16
     20   br label %if.end33
     21 
     22 if.end33:                                         ; preds = %entry
     23   %cmp1733 = icmp eq i32 undef, 0
     24   br label %if.else581
     25 
     26 if.else581:                                       ; preds = %if.end33
     27   %cmp586 = icmp eq i8 undef, -123
     28   br i1 %cmp586, label %if.then588, label %if.else594
     29 
     30 if.then588:                                       ; preds = %if.else581
     31   br label %for.cond1710.preheader
     32 
     33 if.else594:                                       ; preds = %if.else581
     34   unreachable
     35 
     36 for.cond1710.preheader:                           ; preds = %if.then588
     37   br label %for.cond1710
     38 
     39 for.cond1710:                                     ; preds = %for.cond1710, %for.cond1710.preheader
     40   br i1 undef, label %for.cond1710, label %if.then3344
     41 
     42 if.then3344:
     43   br label %if.then4073
     44 
     45 if.then4073:                                      ; preds = %if.then3344
     46   call void @llvm.dbg.declare(metadata [20 x i8]* %num14075, metadata !4, metadata !MDExpression()), !dbg !MDLocation(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 
     56 if.then4107:                                      ; preds = %if.then4073
     57   unreachable
     58 
     59 if.else4114:                                      ; preds = %if.then4073
     60   unreachable
     61 }
     62 
     63 declare i32 @__sprintf_chk(i8*, i32, i64, i8*, ...)
     64 
     65 !llvm.dbg.cu = !{!0}
     66 !llvm.module.flags = !{!35}
     67 
     68 !0 = !MDCompileUnit(language: DW_LANG_C99, producer: "clang version 3.3 (trunk 168918) (llvm/trunk 168920)", isOptimized: true, emissionKind: 0, file: !19, enums: !2, retainedTypes: !2, subprograms: !20, globals: !2)
     69 !1 = !{!2}
     70 !2 = !{}
     71 !4 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "num1", line: 815, scope: !5, file: !14, type: !15)
     72 !5 = distinct !MDLexicalBlock(line: 815, column: 0, file: !14, scope: !6)
     73 !6 = distinct !MDLexicalBlock(line: 812, column: 0, file: !14, scope: !7)
     74 !7 = distinct !MDLexicalBlock(line: 807, column: 0, file: !14, scope: !8)
     75 !8 = distinct !MDLexicalBlock(line: 440, column: 0, file: !14, scope: !9)
     76 !9 = distinct !MDLexicalBlock(line: 435, column: 0, file: !14, scope: !10)
     77 !10 = distinct !MDLexicalBlock(line: 434, column: 0, file: !14, scope: !11)
     78 !11 = distinct !MDLexicalBlock(line: 250, column: 0, file: !14, scope: !12)
     79 !12 = distinct !MDLexicalBlock(line: 249, column: 0, file: !14, scope: !13)
     80 !13 = distinct !MDLexicalBlock(line: 221, column: 0, file: !14, scope: !21)
     81 !14 = !MDFile(filename: "MultiSource/Benchmarks/MiBench/consumer-typeset/z19.c", directory: "MultiSource/Benchmarks/MiBench/consumer-typeset")
     82 !15 = !MDCompositeType(tag: DW_TAG_array_type, size: 160, align: 8, baseType: !16, elements: !17)
     83 !16 = !MDBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
     84 !17 = !{!18}
     85 !18 = !MDSubrange(count: 20)
     86 !19 = !MDFile(filename: "MultiSource/Benchmarks/MiBench/consumer-typeset/z19.c", directory: "MultiSource/Benchmarks/MiBench/consumer-typeset")
     87 
     88 !20 = !{!21}
     89 !21 = !MDSubprogram(name: "AttachGalley", isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 1, file: !19, scope: !14, type: !22, function: i32 (%union.rec**)* @AttachGalley)
     90 !22 = !MDSubroutineType(types: !23)
     91 !23 = !{null}
     92 
     93 ; Test DebugValue uses visited by RegisterPressureTracker findUseBetween().
     94 ;
     95 ; CHECK: @main
     96 ; CHECK: DEBUG_VALUE: main:X
     97 ; CHECK: call
     98 
     99 %"class.__gnu_cxx::hash_map" = type { %"class.__gnu_cxx::hashtable" }
    100 %"class.__gnu_cxx::hashtable" = type { i64, i64, i64, i64, i64, i64 }
    101 
    102 define void @main() uwtable ssp {
    103 entry:
    104   %X = alloca %"class.__gnu_cxx::hash_map", align 8
    105   br i1 undef, label %cond.true, label %cond.end
    106 
    107 cond.true:                                        ; preds = %entry
    108   unreachable
    109 
    110 cond.end:                                         ; preds = %entry
    111   call void @llvm.dbg.declare(metadata %"class.__gnu_cxx::hash_map"* %X, metadata !31, metadata !MDExpression()), !dbg !MDLocation(scope: !37)
    112   %_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
    113   invoke void @_Znwm()
    114           to label %exit.i unwind label %lpad2.i.i.i.i
    115 
    116 exit.i:                                           ; preds = %cond.end
    117   unreachable
    118 
    119 lpad2.i.i.i.i:                                    ; preds = %cond.end
    120   %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
    121           cleanup
    122   br i1 undef, label %lpad.body.i.i, label %if.then.i.i.i.i.i.i.i.i
    123 
    124 if.then.i.i.i.i.i.i.i.i:                          ; preds = %lpad2.i.i.i.i
    125   unreachable
    126 
    127 lpad.body.i.i:                                    ; preds = %lpad2.i.i.i.i
    128   resume { i8*, i32 } %0
    129 }
    130 
    131 declare i32 @__gxx_personality_v0(...)
    132 
    133 declare void @_Znwm()
    134 
    135 !llvm.dbg.cu = !{!30}
    136 
    137 !30 = !MDCompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.3 (trunk 169129) (llvm/trunk 169135)", isOptimized: true, emissionKind: 0, file: !34, enums: !2, retainedTypes: !2, subprograms: !36)
    138 !31 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "X", line: 29, scope: !37, type: !32)
    139 !32 = !MDDerivedType(tag: DW_TAG_typedef, name: "HM", line: 28, file: !34, baseType: null)
    140 !33 = !MDFile(filename: "SingleSource/Benchmarks/Shootout-C++/hash.cpp", directory: "SingleSource/Benchmarks/Shootout-C++")
    141 !34 = !MDFile(filename: "SingleSource/Benchmarks/Shootout-C++/hash.cpp", directory: "SingleSource/Benchmarks/Shootout-C++")
    142 !35 = !{i32 1, !"Debug Info Version", i32 3}
    143 !36 = !{!37}
    144 !37 = !MDSubprogram(name: "main", isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 1, file: !19, scope: !14, type: !22, function: void ()* @main)
    145