java/15 : jdk.internal.vm.compiler/org/graalvm/compiler/phases/common/UseTrappingNullChecksPhase.class

UseTrappingNullChecksPhase
https://openjdk.java.net/
GPLv2 + Classpath Exception
public class org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase extends org.graalvm.compiler.phases.BasePhase<org.graalvm.compiler.phases.tiers.LowTierContext>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase
  super_class: org.graalvm.compiler.phases.BasePhase
{
  private static final org.graalvm.compiler.debug.CounterKey counterTrappingNullCheck;
    descriptor: Lorg/graalvm/compiler/debug/CounterKey;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final org.graalvm.compiler.debug.CounterKey counterTrappingNullCheckExistingRead;
    descriptor: Lorg/graalvm/compiler/debug/CounterKey;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final org.graalvm.compiler.debug.CounterKey counterTrappingNullCheckUnreached;
    descriptor: Lorg/graalvm/compiler/debug/CounterKey;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final org.graalvm.compiler.debug.CounterKey counterTrappingNullCheckDynamicDeoptimize;
    descriptor: Lorg/graalvm/compiler/debug/CounterKey;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 68
            ldc Lorg/graalvm/compiler/phases/common/UseTrappingNullChecksPhase;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.$assertionsDisabled:Z
         3: .line 70
            ldc "TrappingNullCheck"
            invokestatic org.graalvm.compiler.debug.DebugContext.counter:(Ljava/lang/CharSequence;)Lorg/graalvm/compiler/debug/CounterKey;
            putstatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.counterTrappingNullCheck:Lorg/graalvm/compiler/debug/CounterKey;
         4: .line 71
            ldc "TrappingNullCheckExistingRead"
            invokestatic org.graalvm.compiler.debug.DebugContext.counter:(Ljava/lang/CharSequence;)Lorg/graalvm/compiler/debug/CounterKey;
            putstatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.counterTrappingNullCheckExistingRead:Lorg/graalvm/compiler/debug/CounterKey;
         5: .line 72
            ldc "TrappingNullCheckUnreached"
            invokestatic org.graalvm.compiler.debug.DebugContext.counter:(Ljava/lang/CharSequence;)Lorg/graalvm/compiler/debug/CounterKey;
            putstatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.counterTrappingNullCheckUnreached:Lorg/graalvm/compiler/debug/CounterKey;
         6: .line 73
            ldc "TrappingNullCheckDynamicDeoptimize"
            invokestatic org.graalvm.compiler.debug.DebugContext.counter:(Ljava/lang/CharSequence;)Lorg/graalvm/compiler/debug/CounterKey;
            putstatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.counterTrappingNullCheckDynamicDeoptimize:Lorg/graalvm/compiler/debug/CounterKey;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase this
         0: .line 68
            aload 0 /* this */
            invokespecial org.graalvm.compiler.phases.BasePhase.<init>:()V
            return
        end local 0 // org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/compiler/phases/common/UseTrappingNullChecksPhase;

  protected void run(org.graalvm.compiler.nodes.StructuredGraph, org.graalvm.compiler.phases.tiers.LowTierContext);
    descriptor: (Lorg/graalvm/compiler/nodes/StructuredGraph;Lorg/graalvm/compiler/phases/tiers/LowTierContext;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=6, locals=7, args_size=3
        start local 0 // org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase this
        start local 1 // org.graalvm.compiler.nodes.StructuredGraph graph
        start local 2 // org.graalvm.compiler.phases.tiers.LowTierContext context
         0: .line 85
            getstatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase$Options.UseTrappingNullChecks:Lorg/graalvm/compiler/options/OptionKey;
            aload 1 /* graph */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.getOptions:()Lorg/graalvm/compiler/options/OptionValues;
            invokevirtual org.graalvm.compiler.options.OptionKey.getValue:(Lorg/graalvm/compiler/options/OptionValues;)Ljava/lang/Object;
            checkcast java.lang.Boolean
            invokevirtual java.lang.Boolean.booleanValue:()Z
            ifeq 1
            aload 2 /* context */
            invokevirtual org.graalvm.compiler.phases.tiers.LowTierContext.getTarget:()Ljdk/vm/ci/code/TargetDescription;
            getfield jdk.vm.ci.code.TargetDescription.implicitNullCheckLimit:I
            ifgt 2
         1: .line 86
      StackMap locals:
      StackMap stack:
            return
         2: .line 88
      StackMap locals:
      StackMap stack:
            getstatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.$assertionsDisabled:Z
            ifne 3
            aload 1 /* graph */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.getGuardsStage:()Lorg/graalvm/compiler/nodes/StructuredGraph$GuardsStage;
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph$GuardsStage.areFrameStatesAtDeopts:()Z
            ifne 3
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         3: .line 90
      StackMap locals:
      StackMap stack:
            aload 2 /* context */
            invokevirtual org.graalvm.compiler.phases.tiers.LowTierContext.getTarget:()Ljdk/vm/ci/code/TargetDescription;
            getfield jdk.vm.ci.code.TargetDescription.implicitNullCheckLimit:I
            i2l
            lstore 3 /* implicitNullCheckLimit */
        start local 3 // long implicitNullCheckLimit
         4: .line 91
            aload 1 /* graph */
            getstatic org.graalvm.compiler.nodes.DeoptimizeNode.TYPE:Lorg/graalvm/compiler/graph/NodeClass;
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.getNodes:(Lorg/graalvm/compiler/graph/NodeClass;)Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            invokeinterface org.graalvm.compiler.graph.iterators.NodeIterable.iterator:()Ljava/util/Iterator;
            astore 6
            goto 7
      StackMap locals: org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase org.graalvm.compiler.nodes.StructuredGraph org.graalvm.compiler.phases.tiers.LowTierContext long top java.util.Iterator
      StackMap stack:
         5: aload 6
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.graalvm.compiler.nodes.DeoptimizeNode
            astore 5 /* deopt */
        start local 5 // org.graalvm.compiler.nodes.DeoptimizeNode deopt
         6: .line 92
            aload 5 /* deopt */
            aload 5 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.DeoptimizeNode.predecessor:()Lorg/graalvm/compiler/graph/Node;
            aload 5 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.DeoptimizeNode.getReason:()Ljdk/vm/ci/meta/DeoptimizationReason;
            aload 5 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.DeoptimizeNode.getSpeculation:()Ljdk/vm/ci/meta/SpeculationLog$Speculation;
            lload 3 /* implicitNullCheckLimit */
            invokestatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.tryUseTrappingNullCheck:(Lorg/graalvm/compiler/nodes/AbstractDeoptimizeNode;Lorg/graalvm/compiler/graph/Node;Ljdk/vm/ci/meta/DeoptimizationReason;Ljdk/vm/ci/meta/SpeculationLog$Speculation;J)V
        end local 5 // org.graalvm.compiler.nodes.DeoptimizeNode deopt
         7: .line 91
      StackMap locals:
      StackMap stack:
            aload 6
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 5
         8: .line 94
            aload 1 /* graph */
            getstatic org.graalvm.compiler.nodes.DynamicDeoptimizeNode.TYPE:Lorg/graalvm/compiler/graph/NodeClass;
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.getNodes:(Lorg/graalvm/compiler/graph/NodeClass;)Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            invokeinterface org.graalvm.compiler.graph.iterators.NodeIterable.iterator:()Ljava/util/Iterator;
            astore 6
            goto 11
      StackMap locals:
      StackMap stack:
         9: aload 6
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.graalvm.compiler.nodes.DynamicDeoptimizeNode
            astore 5 /* deopt */
        start local 5 // org.graalvm.compiler.nodes.DynamicDeoptimizeNode deopt
        10: .line 95
            aload 2 /* context */
            invokevirtual org.graalvm.compiler.phases.tiers.LowTierContext.getMetaAccess:()Ljdk/vm/ci/meta/MetaAccessProvider;
            aload 5 /* deopt */
            lload 3 /* implicitNullCheckLimit */
            invokestatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.tryUseTrappingNullCheck:(Ljdk/vm/ci/meta/MetaAccessProvider;Lorg/graalvm/compiler/nodes/DynamicDeoptimizeNode;J)V
        end local 5 // org.graalvm.compiler.nodes.DynamicDeoptimizeNode deopt
        11: .line 94
      StackMap locals:
      StackMap stack:
            aload 6
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 9
        12: .line 98
            return
        end local 3 // long implicitNullCheckLimit
        end local 2 // org.graalvm.compiler.phases.tiers.LowTierContext context
        end local 1 // org.graalvm.compiler.nodes.StructuredGraph graph
        end local 0 // org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase this
      LocalVariableTable:
        Start  End  Slot                    Name  Signature
            0   13     0                    this  Lorg/graalvm/compiler/phases/common/UseTrappingNullChecksPhase;
            0   13     1                   graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            0   13     2                 context  Lorg/graalvm/compiler/phases/tiers/LowTierContext;
            4   13     3  implicitNullCheckLimit  J
            6    7     5                   deopt  Lorg/graalvm/compiler/nodes/DeoptimizeNode;
           10   11     5                   deopt  Lorg/graalvm/compiler/nodes/DynamicDeoptimizeNode;
    MethodParameters:
         Name  Flags
      graph    
      context  

  private static void tryUseTrappingNullCheck(jdk.vm.ci.meta.MetaAccessProvider, org.graalvm.compiler.nodes.DynamicDeoptimizeNode, long);
    descriptor: (Ljdk/vm/ci/meta/MetaAccessProvider;Lorg/graalvm/compiler/nodes/DynamicDeoptimizeNode;J)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=6, locals=22, args_size=3
        start local 0 // jdk.vm.ci.meta.MetaAccessProvider metaAccessProvider
        start local 1 // org.graalvm.compiler.nodes.DynamicDeoptimizeNode deopt
        start local 2 // long implicitNullCheckLimit
         0: .line 101
            aload 1 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.DynamicDeoptimizeNode.predecessor:()Lorg/graalvm/compiler/graph/Node;
            astore 4 /* predecessor */
        start local 4 // org.graalvm.compiler.graph.Node predecessor
         1: .line 102
            aload 4 /* predecessor */
            instanceof org.graalvm.compiler.nodes.AbstractMergeNode
            ifeq 52
         2: .line 103
            aload 4 /* predecessor */
            checkcast org.graalvm.compiler.nodes.AbstractMergeNode
            astore 5 /* merge */
        start local 5 // org.graalvm.compiler.nodes.AbstractMergeNode merge
         3: .line 107
            aload 1 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.DynamicDeoptimizeNode.getActionAndReason:()Lorg/graalvm/compiler/nodes/ValueNode;
            astore 6 /* reason */
        start local 6 // org.graalvm.compiler.nodes.ValueNode reason
         4: .line 108
            aconst_null
            astore 7 /* reasonPhi */
        start local 7 // org.graalvm.compiler.nodes.ValuePhiNode reasonPhi
         5: .line 109
            aconst_null
            astore 8 /* reasons */
        start local 8 // java.util.List reasons
         6: .line 110
            iconst_0
            istore 9 /* expectedPhis */
        start local 9 // int expectedPhis
         7: .line 112
            aload 6 /* reason */
            instanceof org.graalvm.compiler.nodes.ValuePhiNode
            ifeq 14
         8: .line 113
            aload 6 /* reason */
            checkcast org.graalvm.compiler.nodes.ValuePhiNode
            astore 7 /* reasonPhi */
         9: .line 114
            aload 7 /* reasonPhi */
            invokevirtual org.graalvm.compiler.nodes.ValuePhiNode.merge:()Lorg/graalvm/compiler/nodes/AbstractMergeNode;
            aload 5 /* merge */
            if_acmpeq 11
        10: .line 115
            return
        11: .line 117
      StackMap locals: jdk.vm.ci.meta.MetaAccessProvider org.graalvm.compiler.nodes.DynamicDeoptimizeNode long org.graalvm.compiler.graph.Node org.graalvm.compiler.nodes.AbstractMergeNode org.graalvm.compiler.nodes.ValueNode org.graalvm.compiler.nodes.ValuePhiNode java.util.List int
      StackMap stack:
            aload 7 /* reasonPhi */
            invokevirtual org.graalvm.compiler.nodes.ValuePhiNode.values:()Lorg/graalvm/compiler/graph/NodeInputList;
            invokevirtual org.graalvm.compiler.graph.NodeInputList.snapshot:()Ljava/util/List;
            astore 8 /* reasons */
        12: .line 118
            iinc 9 /* expectedPhis */ 1
        13: .line 119
            goto 17
      StackMap locals:
      StackMap stack:
        14: aload 6 /* reason */
            invokevirtual org.graalvm.compiler.nodes.ValueNode.isConstant:()Z
            ifne 17
        15: .line 120
            aload 5 /* merge */
            invokevirtual org.graalvm.compiler.nodes.AbstractMergeNode.getDebug:()Lorg/graalvm/compiler/debug/DebugContext;
            ldc "Non constant reason %s"
            aload 5 /* merge */
            invokevirtual org.graalvm.compiler.debug.DebugContext.log:(Ljava/lang/String;Ljava/lang/Object;)V
        16: .line 121
            return
        17: .line 124
      StackMap locals:
      StackMap stack:
            aload 1 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.DynamicDeoptimizeNode.getSpeculation:()Lorg/graalvm/compiler/nodes/ValueNode;
            astore 10 /* speculation */
        start local 10 // org.graalvm.compiler.nodes.ValueNode speculation
        18: .line 125
            aconst_null
            astore 11 /* speculationPhi */
        start local 11 // org.graalvm.compiler.nodes.ValuePhiNode speculationPhi
        19: .line 126
            aconst_null
            astore 12 /* speculations */
        start local 12 // java.util.List speculations
        20: .line 127
            aload 10 /* speculation */
            instanceof org.graalvm.compiler.nodes.ValuePhiNode
            ifeq 26
        21: .line 128
            aload 10 /* speculation */
            checkcast org.graalvm.compiler.nodes.ValuePhiNode
            astore 11 /* speculationPhi */
        22: .line 129
            aload 11 /* speculationPhi */
            invokevirtual org.graalvm.compiler.nodes.ValuePhiNode.merge:()Lorg/graalvm/compiler/nodes/AbstractMergeNode;
            aload 5 /* merge */
            if_acmpeq 24
        23: .line 130
            return
        24: .line 132
      StackMap locals: org.graalvm.compiler.nodes.ValueNode org.graalvm.compiler.nodes.ValuePhiNode java.util.List
      StackMap stack:
            aload 11 /* speculationPhi */
            invokevirtual org.graalvm.compiler.nodes.ValuePhiNode.values:()Lorg/graalvm/compiler/graph/NodeInputList;
            invokevirtual org.graalvm.compiler.graph.NodeInputList.snapshot:()Ljava/util/List;
            astore 12 /* speculations */
        25: .line 133
            iinc 9 /* expectedPhis */ 1
        26: .line 136
      StackMap locals:
      StackMap stack:
            aload 5 /* merge */
            invokevirtual org.graalvm.compiler.nodes.AbstractMergeNode.phis:()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            invokeinterface org.graalvm.compiler.graph.iterators.NodeIterable.count:()I
            iload 9 /* expectedPhis */
            if_icmpeq 28
        27: .line 137
            return
        28: .line 140
      StackMap locals:
      StackMap stack:
            iconst_0
            istore 13 /* index */
        start local 13 // int index
        29: .line 141
            aload 5 /* merge */
            invokevirtual org.graalvm.compiler.nodes.AbstractMergeNode.cfgPredecessors:()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            invokeinterface org.graalvm.compiler.graph.iterators.NodeIterable.snapshot:()Ljava/util/List;
            astore 14 /* predecessors */
        start local 14 // java.util.List predecessors
        30: .line 142
            aload 14 /* predecessors */
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 16
            goto 51
      StackMap locals: jdk.vm.ci.meta.MetaAccessProvider org.graalvm.compiler.nodes.DynamicDeoptimizeNode long org.graalvm.compiler.graph.Node org.graalvm.compiler.nodes.AbstractMergeNode org.graalvm.compiler.nodes.ValueNode org.graalvm.compiler.nodes.ValuePhiNode java.util.List int org.graalvm.compiler.nodes.ValueNode org.graalvm.compiler.nodes.ValuePhiNode java.util.List int java.util.List top java.util.Iterator
      StackMap stack:
        31: aload 16
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.graalvm.compiler.nodes.AbstractEndNode
            astore 15 /* end */
        start local 15 // org.graalvm.compiler.nodes.AbstractEndNode end
        32: .line 143
            aload 15 /* end */
            invokevirtual org.graalvm.compiler.nodes.AbstractEndNode.predecessor:()Lorg/graalvm/compiler/graph/Node;
            astore 17 /* endPredecesssor */
        start local 17 // org.graalvm.compiler.graph.Node endPredecesssor
        33: .line 144
            aload 8 /* reasons */
            ifnull 34
            aload 8 /* reasons */
            iload 13 /* index */
            invokeinterface java.util.List.get:(I)Ljava/lang/Object;
            checkcast org.graalvm.compiler.nodes.ValueNode
            goto 35
      StackMap locals: jdk.vm.ci.meta.MetaAccessProvider org.graalvm.compiler.nodes.DynamicDeoptimizeNode long org.graalvm.compiler.graph.Node org.graalvm.compiler.nodes.AbstractMergeNode org.graalvm.compiler.nodes.ValueNode org.graalvm.compiler.nodes.ValuePhiNode java.util.List int org.graalvm.compiler.nodes.ValueNode org.graalvm.compiler.nodes.ValuePhiNode java.util.List int java.util.List org.graalvm.compiler.nodes.AbstractEndNode java.util.Iterator org.graalvm.compiler.graph.Node
      StackMap stack:
        34: aload 6 /* reason */
      StackMap locals:
      StackMap stack: org.graalvm.compiler.nodes.ValueNode
        35: astore 18 /* thisReason */
        start local 18 // org.graalvm.compiler.nodes.ValueNode thisReason
        36: .line 145
            aload 12 /* speculations */
            ifnull 37
            aload 12 /* speculations */
            iload 13 /* index */
            invokeinterface java.util.List.get:(I)Ljava/lang/Object;
            checkcast org.graalvm.compiler.nodes.ValueNode
            goto 38
      StackMap locals: org.graalvm.compiler.nodes.ValueNode
      StackMap stack:
        37: aload 10 /* speculation */
      StackMap locals:
      StackMap stack: org.graalvm.compiler.nodes.ValueNode
        38: astore 19 /* thisSpeculation */
        start local 19 // org.graalvm.compiler.nodes.ValueNode thisSpeculation
        39: .line 146
            aload 5 /* merge */
            invokevirtual org.graalvm.compiler.nodes.AbstractMergeNode.isAlive:()Z
            ifne 44
        40: .line 149
            getstatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.$assertionsDisabled:Z
            ifne 41
            aload 14 /* predecessors */
            aload 14 /* predecessors */
            invokeinterface java.util.List.size:()I
            iconst_1
            isub
            invokeinterface java.util.List.get:(I)Ljava/lang/Object;
            aload 15 /* end */
            if_acmpeq 41
            new java.lang.AssertionError
            dup
            ldc "must be last end"
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
        41: .line 150
      StackMap locals: org.graalvm.compiler.nodes.ValueNode
      StackMap stack:
            aload 1 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.DynamicDeoptimizeNode.predecessor:()Lorg/graalvm/compiler/graph/Node;
            astore 17 /* endPredecesssor */
        42: .line 151
            aload 1 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.DynamicDeoptimizeNode.getSpeculation:()Lorg/graalvm/compiler/nodes/ValueNode;
            astore 19 /* thisSpeculation */
        43: .line 152
            aload 1 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.DynamicDeoptimizeNode.getActionAndReason:()Lorg/graalvm/compiler/nodes/ValueNode;
            astore 18 /* thisReason */
        44: .line 155
      StackMap locals:
      StackMap stack:
            iinc 13 /* index */ 1
        45: .line 156
            aload 18 /* thisReason */
            invokevirtual org.graalvm.compiler.nodes.ValueNode.isConstant:()Z
            ifeq 46
            aload 19 /* thisSpeculation */
            invokevirtual org.graalvm.compiler.nodes.ValueNode.isConstant:()Z
            ifne 48
        46: .line 157
      StackMap locals:
      StackMap stack:
            aload 15 /* end */
            invokevirtual org.graalvm.compiler.nodes.AbstractEndNode.getDebug:()Lorg/graalvm/compiler/debug/DebugContext;
            ldc "Non constant deopt %s"
            aload 15 /* end */
            invokevirtual org.graalvm.compiler.debug.DebugContext.log:(Ljava/lang/String;Ljava/lang/Object;)V
        47: .line 158
            goto 51
        48: .line 160
      StackMap locals:
      StackMap stack:
            aload 0 /* metaAccessProvider */
            aload 18 /* thisReason */
            invokevirtual org.graalvm.compiler.nodes.ValueNode.asJavaConstant:()Ljdk/vm/ci/meta/JavaConstant;
            invokeinterface jdk.vm.ci.meta.MetaAccessProvider.decodeDeoptReason:(Ljdk/vm/ci/meta/JavaConstant;)Ljdk/vm/ci/meta/DeoptimizationReason;
            astore 20 /* deoptimizationReason */
        start local 20 // jdk.vm.ci.meta.DeoptimizationReason deoptimizationReason
        49: .line 161
            aload 0 /* metaAccessProvider */
            aload 19 /* thisSpeculation */
            invokevirtual org.graalvm.compiler.nodes.ValueNode.asJavaConstant:()Ljdk/vm/ci/meta/JavaConstant;
            aload 1 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.DynamicDeoptimizeNode.graph:()Lorg/graalvm/compiler/nodes/StructuredGraph;
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.getSpeculationLog:()Ljdk/vm/ci/meta/SpeculationLog;
            invokeinterface jdk.vm.ci.meta.MetaAccessProvider.decodeSpeculation:(Ljdk/vm/ci/meta/JavaConstant;Ljdk/vm/ci/meta/SpeculationLog;)Ljdk/vm/ci/meta/SpeculationLog$Speculation;
            astore 21 /* speculationConstant */
        start local 21 // jdk.vm.ci.meta.SpeculationLog$Speculation speculationConstant
        50: .line 162
            aload 1 /* deopt */
            aload 17 /* endPredecesssor */
            aload 20 /* deoptimizationReason */
            aload 21 /* speculationConstant */
            lload 2 /* implicitNullCheckLimit */
            invokestatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.tryUseTrappingNullCheck:(Lorg/graalvm/compiler/nodes/AbstractDeoptimizeNode;Lorg/graalvm/compiler/graph/Node;Ljdk/vm/ci/meta/DeoptimizationReason;Ljdk/vm/ci/meta/SpeculationLog$Speculation;J)V
        end local 21 // jdk.vm.ci.meta.SpeculationLog$Speculation speculationConstant
        end local 20 // jdk.vm.ci.meta.DeoptimizationReason deoptimizationReason
        end local 19 // org.graalvm.compiler.nodes.ValueNode thisSpeculation
        end local 18 // org.graalvm.compiler.nodes.ValueNode thisReason
        end local 17 // org.graalvm.compiler.graph.Node endPredecesssor
        end local 15 // org.graalvm.compiler.nodes.AbstractEndNode end
        51: .line 142
      StackMap locals: jdk.vm.ci.meta.MetaAccessProvider org.graalvm.compiler.nodes.DynamicDeoptimizeNode long org.graalvm.compiler.graph.Node org.graalvm.compiler.nodes.AbstractMergeNode org.graalvm.compiler.nodes.ValueNode org.graalvm.compiler.nodes.ValuePhiNode java.util.List int org.graalvm.compiler.nodes.ValueNode org.graalvm.compiler.nodes.ValuePhiNode java.util.List int java.util.List top java.util.Iterator
      StackMap stack:
            aload 16
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 31
        end local 14 // java.util.List predecessors
        end local 13 // int index
        end local 12 // java.util.List speculations
        end local 11 // org.graalvm.compiler.nodes.ValuePhiNode speculationPhi
        end local 10 // org.graalvm.compiler.nodes.ValueNode speculation
        end local 9 // int expectedPhis
        end local 8 // java.util.List reasons
        end local 7 // org.graalvm.compiler.nodes.ValuePhiNode reasonPhi
        end local 6 // org.graalvm.compiler.nodes.ValueNode reason
        end local 5 // org.graalvm.compiler.nodes.AbstractMergeNode merge
        52: .line 165
      StackMap locals: jdk.vm.ci.meta.MetaAccessProvider org.graalvm.compiler.nodes.DynamicDeoptimizeNode long org.graalvm.compiler.graph.Node
      StackMap stack:
            return
        end local 4 // org.graalvm.compiler.graph.Node predecessor
        end local 2 // long implicitNullCheckLimit
        end local 1 // org.graalvm.compiler.nodes.DynamicDeoptimizeNode deopt
        end local 0 // jdk.vm.ci.meta.MetaAccessProvider metaAccessProvider
      LocalVariableTable:
        Start  End  Slot                    Name  Signature
            0   53     0      metaAccessProvider  Ljdk/vm/ci/meta/MetaAccessProvider;
            0   53     1                   deopt  Lorg/graalvm/compiler/nodes/DynamicDeoptimizeNode;
            0   53     2  implicitNullCheckLimit  J
            1   53     4             predecessor  Lorg/graalvm/compiler/graph/Node;
            3   52     5                   merge  Lorg/graalvm/compiler/nodes/AbstractMergeNode;
            4   52     6                  reason  Lorg/graalvm/compiler/nodes/ValueNode;
            5   52     7               reasonPhi  Lorg/graalvm/compiler/nodes/ValuePhiNode;
            6   52     8                 reasons  Ljava/util/List<Lorg/graalvm/compiler/nodes/ValueNode;>;
            7   52     9            expectedPhis  I
           18   52    10             speculation  Lorg/graalvm/compiler/nodes/ValueNode;
           19   52    11          speculationPhi  Lorg/graalvm/compiler/nodes/ValuePhiNode;
           20   52    12            speculations  Ljava/util/List<Lorg/graalvm/compiler/nodes/ValueNode;>;
           29   52    13                   index  I
           30   52    14            predecessors  Ljava/util/List<Lorg/graalvm/compiler/nodes/EndNode;>;
           32   51    15                     end  Lorg/graalvm/compiler/nodes/AbstractEndNode;
           33   51    17         endPredecesssor  Lorg/graalvm/compiler/graph/Node;
           36   51    18              thisReason  Lorg/graalvm/compiler/nodes/ValueNode;
           39   51    19         thisSpeculation  Lorg/graalvm/compiler/nodes/ValueNode;
           49   51    20    deoptimizationReason  Ljdk/vm/ci/meta/DeoptimizationReason;
           50   51    21     speculationConstant  Ljdk/vm/ci/meta/SpeculationLog$Speculation;
    MethodParameters:
                        Name  Flags
      metaAccessProvider      
      deopt                   
      implicitNullCheckLimit  

  private static void tryUseTrappingNullCheck(org.graalvm.compiler.nodes.AbstractDeoptimizeNode, org.graalvm.compiler.graph.Node, jdk.vm.ci.meta.DeoptimizationReason, jdk.vm.ci.meta.SpeculationLog$Speculation, long);
    descriptor: (Lorg/graalvm/compiler/nodes/AbstractDeoptimizeNode;Lorg/graalvm/compiler/graph/Node;Ljdk/vm/ci/meta/DeoptimizationReason;Ljdk/vm/ci/meta/SpeculationLog$Speculation;J)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=10, args_size=5
        start local 0 // org.graalvm.compiler.nodes.AbstractDeoptimizeNode deopt
        start local 1 // org.graalvm.compiler.graph.Node predecessor
        start local 2 // jdk.vm.ci.meta.DeoptimizationReason deoptimizationReason
        start local 3 // jdk.vm.ci.meta.SpeculationLog$Speculation speculation
        start local 4 // long implicitNullCheckLimit
         0: .line 168
            getstatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.$assertionsDisabled:Z
            ifne 1
            aload 1 /* predecessor */
            ifnonnull 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 169
      StackMap locals:
      StackMap stack:
            aload 2 /* deoptimizationReason */
            getstatic jdk.vm.ci.meta.DeoptimizationReason.NullCheckException:Ljdk/vm/ci/meta/DeoptimizationReason;
            if_acmpeq 5
            aload 2 /* deoptimizationReason */
            getstatic jdk.vm.ci.meta.DeoptimizationReason.UnreachedCode:Ljdk/vm/ci/meta/DeoptimizationReason;
            if_acmpeq 5
         2: .line 170
            aload 2 /* deoptimizationReason */
            getstatic jdk.vm.ci.meta.DeoptimizationReason.TypeCheckedInliningViolated:Ljdk/vm/ci/meta/DeoptimizationReason;
            if_acmpeq 5
         3: .line 171
            aload 0 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.AbstractDeoptimizeNode.getDebug:()Lorg/graalvm/compiler/debug/DebugContext;
            iconst_2
            ldc "Not a null check or unreached %s"
            aload 1 /* predecessor */
            invokevirtual org.graalvm.compiler.debug.DebugContext.log:(ILjava/lang/String;Ljava/lang/Object;)V
         4: .line 172
            return
         5: .line 174
      StackMap locals:
      StackMap stack:
            getstatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.$assertionsDisabled:Z
            ifne 6
            aload 3 /* speculation */
            ifnonnull 6
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         6: .line 175
      StackMap locals:
      StackMap stack:
            aload 3 /* speculation */
            getstatic jdk.vm.ci.meta.SpeculationLog.NO_SPECULATION:Ljdk/vm/ci/meta/SpeculationLog$Speculation;
            invokevirtual jdk.vm.ci.meta.SpeculationLog$Speculation.equals:(Ljava/lang/Object;)Z
            ifne 9
         7: .line 176
            aload 0 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.AbstractDeoptimizeNode.getDebug:()Lorg/graalvm/compiler/debug/DebugContext;
            iconst_2
            ldc "Has a speculation %s"
            aload 1 /* predecessor */
            invokevirtual org.graalvm.compiler.debug.DebugContext.log:(ILjava/lang/String;Ljava/lang/Object;)V
         8: .line 177
            return
         9: .line 181
      StackMap locals:
      StackMap stack:
            aload 1 /* predecessor */
            astore 6 /* pred */
        start local 6 // org.graalvm.compiler.graph.Node pred
        10: .line 182
            goto 12
        11: .line 183
      StackMap locals: org.graalvm.compiler.graph.Node
      StackMap stack:
            aload 6 /* pred */
            invokevirtual org.graalvm.compiler.graph.Node.predecessor:()Lorg/graalvm/compiler/graph/Node;
            astore 6 /* pred */
        12: .line 182
      StackMap locals:
      StackMap stack:
            aload 6 /* pred */
            instanceof org.graalvm.compiler.nodes.LoopExitNode
            ifne 11
        13: .line 185
            aload 6 /* pred */
            instanceof org.graalvm.compiler.nodes.AbstractMergeNode
            ifeq 21
        14: .line 186
            aload 6 /* pred */
            checkcast org.graalvm.compiler.nodes.AbstractMergeNode
            astore 7 /* merge */
        start local 7 // org.graalvm.compiler.nodes.AbstractMergeNode merge
        15: .line 187
            aload 7 /* merge */
            invokevirtual org.graalvm.compiler.nodes.AbstractMergeNode.phis:()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            invokeinterface org.graalvm.compiler.graph.iterators.NodeIterable.isEmpty:()Z
            ifeq 25
        16: .line 188
            aload 7 /* merge */
            invokevirtual org.graalvm.compiler.nodes.AbstractMergeNode.cfgPredecessors:()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            invokeinterface org.graalvm.compiler.graph.iterators.NodeIterable.snapshot:()Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 9
            goto 19
      StackMap locals: org.graalvm.compiler.nodes.AbstractDeoptimizeNode org.graalvm.compiler.graph.Node jdk.vm.ci.meta.DeoptimizationReason jdk.vm.ci.meta.SpeculationLog$Speculation long org.graalvm.compiler.graph.Node org.graalvm.compiler.nodes.AbstractMergeNode top java.util.Iterator
      StackMap stack:
        17: aload 9
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.graalvm.compiler.nodes.AbstractEndNode
            astore 8 /* end */
        start local 8 // org.graalvm.compiler.nodes.AbstractEndNode end
        18: .line 189
            aload 0 /* deopt */
            aload 8 /* end */
            invokevirtual org.graalvm.compiler.nodes.AbstractEndNode.predecessor:()Lorg/graalvm/compiler/graph/Node;
            aload 2 /* deoptimizationReason */
            lload 4 /* implicitNullCheckLimit */
            invokestatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.checkPredecessor:(Lorg/graalvm/compiler/nodes/AbstractDeoptimizeNode;Lorg/graalvm/compiler/graph/Node;Ljdk/vm/ci/meta/DeoptimizationReason;J)V
        end local 8 // org.graalvm.compiler.nodes.AbstractEndNode end
        19: .line 188
      StackMap locals:
      StackMap stack:
            aload 9
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 17
        end local 7 // org.graalvm.compiler.nodes.AbstractMergeNode merge
        20: .line 192
            goto 25
      StackMap locals: org.graalvm.compiler.nodes.AbstractDeoptimizeNode org.graalvm.compiler.graph.Node jdk.vm.ci.meta.DeoptimizationReason jdk.vm.ci.meta.SpeculationLog$Speculation long org.graalvm.compiler.graph.Node
      StackMap stack:
        21: aload 6 /* pred */
            instanceof org.graalvm.compiler.nodes.AbstractBeginNode
            ifeq 24
        22: .line 193
            aload 0 /* deopt */
            aload 6 /* pred */
            aload 2 /* deoptimizationReason */
            lload 4 /* implicitNullCheckLimit */
            invokestatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.checkPredecessor:(Lorg/graalvm/compiler/nodes/AbstractDeoptimizeNode;Lorg/graalvm/compiler/graph/Node;Ljdk/vm/ci/meta/DeoptimizationReason;J)V
        23: .line 194
            goto 25
        24: .line 195
      StackMap locals:
      StackMap stack:
            aload 0 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.AbstractDeoptimizeNode.getDebug:()Lorg/graalvm/compiler/debug/DebugContext;
            iconst_2
            ldc "Not a Begin or Merge %s"
            aload 6 /* pred */
            invokevirtual org.graalvm.compiler.debug.DebugContext.log:(ILjava/lang/String;Ljava/lang/Object;)V
        25: .line 197
      StackMap locals:
      StackMap stack:
            return
        end local 6 // org.graalvm.compiler.graph.Node pred
        end local 4 // long implicitNullCheckLimit
        end local 3 // jdk.vm.ci.meta.SpeculationLog$Speculation speculation
        end local 2 // jdk.vm.ci.meta.DeoptimizationReason deoptimizationReason
        end local 1 // org.graalvm.compiler.graph.Node predecessor
        end local 0 // org.graalvm.compiler.nodes.AbstractDeoptimizeNode deopt
      LocalVariableTable:
        Start  End  Slot                    Name  Signature
            0   26     0                   deopt  Lorg/graalvm/compiler/nodes/AbstractDeoptimizeNode;
            0   26     1             predecessor  Lorg/graalvm/compiler/graph/Node;
            0   26     2    deoptimizationReason  Ljdk/vm/ci/meta/DeoptimizationReason;
            0   26     3             speculation  Ljdk/vm/ci/meta/SpeculationLog$Speculation;
            0   26     4  implicitNullCheckLimit  J
           10   26     6                    pred  Lorg/graalvm/compiler/graph/Node;
           15   20     7                   merge  Lorg/graalvm/compiler/nodes/AbstractMergeNode;
           18   19     8                     end  Lorg/graalvm/compiler/nodes/AbstractEndNode;
    MethodParameters:
                        Name  Flags
      deopt                   
      predecessor             
      deoptimizationReason    
      speculation             
      implicitNullCheckLimit  

  private static void checkPredecessor(org.graalvm.compiler.nodes.AbstractDeoptimizeNode, org.graalvm.compiler.graph.Node, jdk.vm.ci.meta.DeoptimizationReason, long);
    descriptor: (Lorg/graalvm/compiler/nodes/AbstractDeoptimizeNode;Lorg/graalvm/compiler/graph/Node;Ljdk/vm/ci/meta/DeoptimizationReason;J)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=6, locals=9, args_size=4
        start local 0 // org.graalvm.compiler.nodes.AbstractDeoptimizeNode deopt
        start local 1 // org.graalvm.compiler.graph.Node predecessor
        start local 2 // jdk.vm.ci.meta.DeoptimizationReason deoptimizationReason
        start local 3 // long implicitNullCheckLimit
         0: .line 200
            aload 1 /* predecessor */
            astore 5 /* current */
        start local 5 // org.graalvm.compiler.graph.Node current
         1: .line 201
            aconst_null
            astore 6 /* branch */
        start local 6 // org.graalvm.compiler.nodes.AbstractBeginNode branch
         2: .line 202
            goto 7
         3: .line 203
      StackMap locals: org.graalvm.compiler.graph.Node org.graalvm.compiler.nodes.AbstractBeginNode
      StackMap stack:
            aload 5 /* current */
            checkcast org.graalvm.compiler.nodes.AbstractBeginNode
            astore 6 /* branch */
         4: .line 204
            aload 6 /* branch */
            invokevirtual org.graalvm.compiler.nodes.AbstractBeginNode.anchored:()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            invokeinterface org.graalvm.compiler.graph.iterators.NodeIterable.isNotEmpty:()Z
            ifeq 6
         5: .line 206
            return
         6: .line 208
      StackMap locals:
      StackMap stack:
            aload 5 /* current */
            invokevirtual org.graalvm.compiler.graph.Node.predecessor:()Lorg/graalvm/compiler/graph/Node;
            astore 5 /* current */
         7: .line 202
      StackMap locals:
      StackMap stack:
            aload 5 /* current */
            instanceof org.graalvm.compiler.nodes.AbstractBeginNode
            ifne 3
         8: .line 210
            aload 5 /* current */
            instanceof org.graalvm.compiler.nodes.IfNode
            ifeq 15
         9: .line 211
            aload 5 /* current */
            checkcast org.graalvm.compiler.nodes.IfNode
            astore 7 /* ifNode */
        start local 7 // org.graalvm.compiler.nodes.IfNode ifNode
        10: .line 212
            aload 6 /* branch */
            aload 7 /* ifNode */
            invokevirtual org.graalvm.compiler.nodes.IfNode.trueSuccessor:()Lorg/graalvm/compiler/nodes/AbstractBeginNode;
            if_acmpeq 12
        11: .line 213
            return
        12: .line 215
      StackMap locals: org.graalvm.compiler.nodes.IfNode
      StackMap stack:
            aload 7 /* ifNode */
            invokevirtual org.graalvm.compiler.nodes.IfNode.condition:()Lorg/graalvm/compiler/nodes/LogicNode;
            astore 8 /* condition */
        start local 8 // org.graalvm.compiler.nodes.LogicNode condition
        13: .line 216
            aload 8 /* condition */
            instanceof org.graalvm.compiler.nodes.calc.IsNullNode
            ifeq 15
        14: .line 217
            aload 0 /* deopt */
            aload 7 /* ifNode */
            aload 8 /* condition */
            aload 2 /* deoptimizationReason */
            lload 3 /* implicitNullCheckLimit */
            invokestatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.replaceWithTrappingNullCheck:(Lorg/graalvm/compiler/nodes/AbstractDeoptimizeNode;Lorg/graalvm/compiler/nodes/IfNode;Lorg/graalvm/compiler/nodes/LogicNode;Ljdk/vm/ci/meta/DeoptimizationReason;J)V
        end local 8 // org.graalvm.compiler.nodes.LogicNode condition
        end local 7 // org.graalvm.compiler.nodes.IfNode ifNode
        15: .line 220
      StackMap locals:
      StackMap stack:
            return
        end local 6 // org.graalvm.compiler.nodes.AbstractBeginNode branch
        end local 5 // org.graalvm.compiler.graph.Node current
        end local 3 // long implicitNullCheckLimit
        end local 2 // jdk.vm.ci.meta.DeoptimizationReason deoptimizationReason
        end local 1 // org.graalvm.compiler.graph.Node predecessor
        end local 0 // org.graalvm.compiler.nodes.AbstractDeoptimizeNode deopt
      LocalVariableTable:
        Start  End  Slot                    Name  Signature
            0   16     0                   deopt  Lorg/graalvm/compiler/nodes/AbstractDeoptimizeNode;
            0   16     1             predecessor  Lorg/graalvm/compiler/graph/Node;
            0   16     2    deoptimizationReason  Ljdk/vm/ci/meta/DeoptimizationReason;
            0   16     3  implicitNullCheckLimit  J
            1   16     5                 current  Lorg/graalvm/compiler/graph/Node;
            2   16     6                  branch  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
           10   15     7                  ifNode  Lorg/graalvm/compiler/nodes/IfNode;
           13   15     8               condition  Lorg/graalvm/compiler/nodes/LogicNode;
    MethodParameters:
                        Name  Flags
      deopt                   
      predecessor             
      deoptimizationReason    
      implicitNullCheckLimit  

  private static void replaceWithTrappingNullCheck(org.graalvm.compiler.nodes.AbstractDeoptimizeNode, org.graalvm.compiler.nodes.IfNode, org.graalvm.compiler.nodes.LogicNode, jdk.vm.ci.meta.DeoptimizationReason, long);
    descriptor: (Lorg/graalvm/compiler/nodes/AbstractDeoptimizeNode;Lorg/graalvm/compiler/nodes/IfNode;Lorg/graalvm/compiler/nodes/LogicNode;Ljdk/vm/ci/meta/DeoptimizationReason;J)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=4, locals=17, args_size=5
        start local 0 // org.graalvm.compiler.nodes.AbstractDeoptimizeNode deopt
        start local 1 // org.graalvm.compiler.nodes.IfNode ifNode
        start local 2 // org.graalvm.compiler.nodes.LogicNode condition
        start local 3 // jdk.vm.ci.meta.DeoptimizationReason deoptimizationReason
        start local 4 // long implicitNullCheckLimit
         0: .line 223
            aload 0 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.AbstractDeoptimizeNode.getDebug:()Lorg/graalvm/compiler/debug/DebugContext;
            astore 6 /* debug */
        start local 6 // org.graalvm.compiler.debug.DebugContext debug
         1: .line 224
            getstatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.counterTrappingNullCheck:Lorg/graalvm/compiler/debug/CounterKey;
            aload 6 /* debug */
            invokeinterface org.graalvm.compiler.debug.CounterKey.increment:(Lorg/graalvm/compiler/debug/DebugContext;)V
         2: .line 225
            aload 0 /* deopt */
            instanceof org.graalvm.compiler.nodes.DynamicDeoptimizeNode
            ifeq 4
         3: .line 226
            getstatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.counterTrappingNullCheckDynamicDeoptimize:Lorg/graalvm/compiler/debug/CounterKey;
            aload 6 /* debug */
            invokeinterface org.graalvm.compiler.debug.CounterKey.increment:(Lorg/graalvm/compiler/debug/DebugContext;)V
         4: .line 228
      StackMap locals: org.graalvm.compiler.debug.DebugContext
      StackMap stack:
            aload 3 /* deoptimizationReason */
            getstatic jdk.vm.ci.meta.DeoptimizationReason.UnreachedCode:Ljdk/vm/ci/meta/DeoptimizationReason;
            if_acmpne 6
         5: .line 229
            getstatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.counterTrappingNullCheckUnreached:Lorg/graalvm/compiler/debug/CounterKey;
            aload 6 /* debug */
            invokeinterface org.graalvm.compiler.debug.CounterKey.increment:(Lorg/graalvm/compiler/debug/DebugContext;)V
         6: .line 231
      StackMap locals:
      StackMap stack:
            aload 2 /* condition */
            checkcast org.graalvm.compiler.nodes.calc.IsNullNode
            astore 7 /* isNullNode */
        start local 7 // org.graalvm.compiler.nodes.calc.IsNullNode isNullNode
         7: .line 232
            aload 1 /* ifNode */
            invokevirtual org.graalvm.compiler.nodes.IfNode.falseSuccessor:()Lorg/graalvm/compiler/nodes/AbstractBeginNode;
            astore 8 /* nonTrappingContinuation */
        start local 8 // org.graalvm.compiler.nodes.AbstractBeginNode nonTrappingContinuation
         8: .line 233
            aload 1 /* ifNode */
            invokevirtual org.graalvm.compiler.nodes.IfNode.trueSuccessor:()Lorg/graalvm/compiler/nodes/AbstractBeginNode;
            astore 9 /* trappingContinuation */
        start local 9 // org.graalvm.compiler.nodes.AbstractBeginNode trappingContinuation
         9: .line 235
            aconst_null
            astore 10 /* trappingNullCheck */
        start local 10 // org.graalvm.compiler.nodes.DeoptimizingFixedWithNextNode trappingNullCheck
        10: .line 236
            aload 8 /* nonTrappingContinuation */
            invokevirtual org.graalvm.compiler.nodes.AbstractBeginNode.next:()Lorg/graalvm/compiler/nodes/FixedNode;
            astore 11 /* nextNonTrapping */
        start local 11 // org.graalvm.compiler.nodes.FixedNode nextNonTrapping
        11: .line 237
            aload 7 /* isNullNode */
            invokevirtual org.graalvm.compiler.nodes.calc.IsNullNode.getValue:()Lorg/graalvm/compiler/nodes/ValueNode;
            astore 12 /* value */
        start local 12 // org.graalvm.compiler.nodes.ValueNode value
        12: .line 238
            getstatic org.graalvm.compiler.core.common.GraalOptions.OptImplicitNullChecks:Lorg/graalvm/compiler/options/OptionKey;
            aload 1 /* ifNode */
            invokevirtual org.graalvm.compiler.nodes.IfNode.graph:()Lorg/graalvm/compiler/nodes/StructuredGraph;
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.getOptions:()Lorg/graalvm/compiler/options/OptionValues;
            invokevirtual org.graalvm.compiler.options.OptionKey.getValue:(Lorg/graalvm/compiler/options/OptionValues;)Ljava/lang/Object;
            checkcast java.lang.Boolean
            invokevirtual java.lang.Boolean.booleanValue:()Z
            ifeq 32
            lload 4 /* implicitNullCheckLimit */
            lconst_0
            lcmp
            ifle 32
        13: .line 239
            aload 11 /* nextNonTrapping */
            instanceof org.graalvm.compiler.nodes.memory.FixedAccessNode
            ifeq 32
        14: .line 240
            aload 11 /* nextNonTrapping */
            checkcast org.graalvm.compiler.nodes.memory.FixedAccessNode
            astore 13 /* fixedAccessNode */
        start local 13 // org.graalvm.compiler.nodes.memory.FixedAccessNode fixedAccessNode
        15: .line 241
            aload 13 /* fixedAccessNode */
            invokevirtual org.graalvm.compiler.nodes.memory.FixedAccessNode.canNullCheck:()Z
            ifeq 32
        16: .line 242
            aload 13 /* fixedAccessNode */
            invokevirtual org.graalvm.compiler.nodes.memory.FixedAccessNode.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            astore 14 /* address */
        start local 14 // org.graalvm.compiler.nodes.memory.address.AddressNode address
        17: .line 243
            aload 14 /* address */
            invokevirtual org.graalvm.compiler.nodes.memory.address.AddressNode.getBase:()Lorg/graalvm/compiler/nodes/ValueNode;
            astore 15 /* base */
        start local 15 // org.graalvm.compiler.nodes.ValueNode base
        18: .line 244
            aload 14 /* address */
            invokevirtual org.graalvm.compiler.nodes.memory.address.AddressNode.getIndex:()Lorg/graalvm/compiler/nodes/ValueNode;
            astore 16 /* index */
        start local 16 // org.graalvm.compiler.nodes.ValueNode index
        19: .line 247
            aload 15 /* base */
            ifnull 21
            aload 15 /* base */
            instanceof org.graalvm.compiler.nodes.CompressionNode
            ifeq 21
        20: .line 248
            aload 15 /* base */
            checkcast org.graalvm.compiler.nodes.CompressionNode
            invokevirtual org.graalvm.compiler.nodes.CompressionNode.getValue:()Lorg/graalvm/compiler/nodes/ValueNode;
            astore 15 /* base */
        21: .line 250
      StackMap locals: org.graalvm.compiler.nodes.AbstractDeoptimizeNode org.graalvm.compiler.nodes.IfNode org.graalvm.compiler.nodes.LogicNode jdk.vm.ci.meta.DeoptimizationReason long org.graalvm.compiler.debug.DebugContext org.graalvm.compiler.nodes.calc.IsNullNode org.graalvm.compiler.nodes.AbstractBeginNode org.graalvm.compiler.nodes.AbstractBeginNode org.graalvm.compiler.nodes.DeoptimizingFixedWithNextNode org.graalvm.compiler.nodes.FixedNode org.graalvm.compiler.nodes.ValueNode org.graalvm.compiler.nodes.memory.FixedAccessNode org.graalvm.compiler.nodes.memory.address.AddressNode org.graalvm.compiler.nodes.ValueNode org.graalvm.compiler.nodes.ValueNode
      StackMap stack:
            aload 16 /* index */
            ifnull 23
            aload 16 /* index */
            instanceof org.graalvm.compiler.nodes.CompressionNode
            ifeq 23
        22: .line 251
            aload 16 /* index */
            checkcast org.graalvm.compiler.nodes.CompressionNode
            invokevirtual org.graalvm.compiler.nodes.CompressionNode.getValue:()Lorg/graalvm/compiler/nodes/ValueNode;
            astore 16 /* index */
        23: .line 253
      StackMap locals:
      StackMap stack:
            aload 15 /* base */
            aload 12 /* value */
            if_acmpne 24
            aload 16 /* index */
            ifnull 25
      StackMap locals:
      StackMap stack:
        24: aload 15 /* base */
            ifnonnull 32
            aload 16 /* index */
            aload 12 /* value */
            if_acmpne 32
      StackMap locals:
      StackMap stack:
        25: aload 14 /* address */
            invokevirtual org.graalvm.compiler.nodes.memory.address.AddressNode.getMaxConstantDisplacement:()J
            lload 4 /* implicitNullCheckLimit */
            lcmp
            ifge 32
        26: .line 255
            aload 13 /* fixedAccessNode */
            aload 0 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.AbstractDeoptimizeNode.stateBefore:()Lorg/graalvm/compiler/nodes/FrameState;
            invokevirtual org.graalvm.compiler.nodes.memory.FixedAccessNode.setStateBefore:(Lorg/graalvm/compiler/nodes/FrameState;)V
        27: .line 256
            aload 13 /* fixedAccessNode */
            iconst_1
            invokevirtual org.graalvm.compiler.nodes.memory.FixedAccessNode.setNullCheck:(Z)V
        28: .line 257
            aload 0 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.AbstractDeoptimizeNode.graph:()Lorg/graalvm/compiler/nodes/StructuredGraph;
            aload 1 /* ifNode */
            aload 8 /* nonTrappingContinuation */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.removeSplit:(Lorg/graalvm/compiler/nodes/ControlSplitNode;Lorg/graalvm/compiler/nodes/AbstractBeginNode;)V
        29: .line 258
            aload 13 /* fixedAccessNode */
            astore 10 /* trappingNullCheck */
        30: .line 259
            getstatic org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.counterTrappingNullCheckExistingRead:Lorg/graalvm/compiler/debug/CounterKey;
            aload 6 /* debug */
            invokeinterface org.graalvm.compiler.debug.CounterKey.increment:(Lorg/graalvm/compiler/debug/DebugContext;)V
        31: .line 260
            aload 0 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.AbstractDeoptimizeNode.getDebug:()Lorg/graalvm/compiler/debug/DebugContext;
            ldc "Added implicit null check to %s"
            aload 13 /* fixedAccessNode */
            invokevirtual org.graalvm.compiler.debug.DebugContext.log:(Ljava/lang/String;Ljava/lang/Object;)V
        end local 16 // org.graalvm.compiler.nodes.ValueNode index
        end local 15 // org.graalvm.compiler.nodes.ValueNode base
        end local 14 // org.graalvm.compiler.nodes.memory.address.AddressNode address
        end local 13 // org.graalvm.compiler.nodes.memory.FixedAccessNode fixedAccessNode
        32: .line 266
      StackMap locals: org.graalvm.compiler.nodes.AbstractDeoptimizeNode org.graalvm.compiler.nodes.IfNode org.graalvm.compiler.nodes.LogicNode jdk.vm.ci.meta.DeoptimizationReason long org.graalvm.compiler.debug.DebugContext org.graalvm.compiler.nodes.calc.IsNullNode org.graalvm.compiler.nodes.AbstractBeginNode org.graalvm.compiler.nodes.AbstractBeginNode org.graalvm.compiler.nodes.DeoptimizingFixedWithNextNode org.graalvm.compiler.nodes.FixedNode org.graalvm.compiler.nodes.ValueNode
      StackMap stack:
            aload 10 /* trappingNullCheck */
            ifnonnull 36
        33: .line 268
            aload 0 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.AbstractDeoptimizeNode.graph:()Lorg/graalvm/compiler/nodes/StructuredGraph;
            new org.graalvm.compiler.nodes.extended.NullCheckNode
            dup
            aload 12 /* value */
            invokespecial org.graalvm.compiler.nodes.extended.NullCheckNode.<init>:(Lorg/graalvm/compiler/nodes/ValueNode;)V
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.add:(Lorg/graalvm/compiler/graph/Node;)Lorg/graalvm/compiler/graph/Node;
            checkcast org.graalvm.compiler.nodes.DeoptimizingFixedWithNextNode
            astore 10 /* trappingNullCheck */
        34: .line 269
            aload 0 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.AbstractDeoptimizeNode.graph:()Lorg/graalvm/compiler/nodes/StructuredGraph;
            aload 1 /* ifNode */
            aload 10 /* trappingNullCheck */
            aload 8 /* nonTrappingContinuation */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.replaceSplit:(Lorg/graalvm/compiler/nodes/ControlSplitNode;Lorg/graalvm/compiler/graph/Node;Lorg/graalvm/compiler/nodes/AbstractBeginNode;)V
        35: .line 270
            aload 0 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.AbstractDeoptimizeNode.getDebug:()Lorg/graalvm/compiler/debug/DebugContext;
            ldc "Inserted NullCheckNode %s"
            aload 10 /* trappingNullCheck */
            invokevirtual org.graalvm.compiler.debug.DebugContext.log:(Ljava/lang/String;Ljava/lang/Object;)V
        36: .line 273
      StackMap locals:
      StackMap stack:
            aload 10 /* trappingNullCheck */
            aload 0 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.AbstractDeoptimizeNode.stateBefore:()Lorg/graalvm/compiler/nodes/FrameState;
            invokevirtual org.graalvm.compiler.nodes.DeoptimizingFixedWithNextNode.setStateBefore:(Lorg/graalvm/compiler/nodes/FrameState;)V
        37: .line 280
            aload 8 /* nonTrappingContinuation */
            aload 10 /* trappingNullCheck */
            getstatic org.graalvm.compiler.nodeinfo.InputType.Guard:Lorg/graalvm/compiler/nodeinfo/InputType;
            invokevirtual org.graalvm.compiler.nodes.AbstractBeginNode.replaceAtUsages:(Lorg/graalvm/compiler/graph/Node;Lorg/graalvm/compiler/nodeinfo/InputType;)V
        38: .line 282
            aload 8 /* nonTrappingContinuation */
            instanceof org.graalvm.compiler.nodes.BeginNode
            ifeq 41
        39: .line 283
            aload 8 /* nonTrappingContinuation */
            invokestatic org.graalvm.compiler.nodes.util.GraphUtil.unlinkFixedNode:(Lorg/graalvm/compiler/nodes/FixedWithNextNode;)V
        40: .line 284
            aload 8 /* nonTrappingContinuation */
            invokevirtual org.graalvm.compiler.nodes.AbstractBeginNode.safeDelete:()V
        41: .line 287
      StackMap locals:
      StackMap stack:
            aload 9 /* trappingContinuation */
            invokestatic org.graalvm.compiler.nodes.util.GraphUtil.killCFG:(Lorg/graalvm/compiler/nodes/FixedNode;)V
        42: .line 288
            aload 7 /* isNullNode */
            invokestatic org.graalvm.compiler.nodes.util.GraphUtil.tryKillUnused:(Lorg/graalvm/compiler/graph/Node;)Z
            pop
        43: .line 289
            return
        end local 12 // org.graalvm.compiler.nodes.ValueNode value
        end local 11 // org.graalvm.compiler.nodes.FixedNode nextNonTrapping
        end local 10 // org.graalvm.compiler.nodes.DeoptimizingFixedWithNextNode trappingNullCheck
        end local 9 // org.graalvm.compiler.nodes.AbstractBeginNode trappingContinuation
        end local 8 // org.graalvm.compiler.nodes.AbstractBeginNode nonTrappingContinuation
        end local 7 // org.graalvm.compiler.nodes.calc.IsNullNode isNullNode
        end local 6 // org.graalvm.compiler.debug.DebugContext debug
        end local 4 // long implicitNullCheckLimit
        end local 3 // jdk.vm.ci.meta.DeoptimizationReason deoptimizationReason
        end local 2 // org.graalvm.compiler.nodes.LogicNode condition
        end local 1 // org.graalvm.compiler.nodes.IfNode ifNode
        end local 0 // org.graalvm.compiler.nodes.AbstractDeoptimizeNode deopt
      LocalVariableTable:
        Start  End  Slot                     Name  Signature
            0   44     0                    deopt  Lorg/graalvm/compiler/nodes/AbstractDeoptimizeNode;
            0   44     1                   ifNode  Lorg/graalvm/compiler/nodes/IfNode;
            0   44     2                condition  Lorg/graalvm/compiler/nodes/LogicNode;
            0   44     3     deoptimizationReason  Ljdk/vm/ci/meta/DeoptimizationReason;
            0   44     4   implicitNullCheckLimit  J
            1   44     6                    debug  Lorg/graalvm/compiler/debug/DebugContext;
            7   44     7               isNullNode  Lorg/graalvm/compiler/nodes/calc/IsNullNode;
            8   44     8  nonTrappingContinuation  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
            9   44     9     trappingContinuation  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
           10   44    10        trappingNullCheck  Lorg/graalvm/compiler/nodes/DeoptimizingFixedWithNextNode;
           11   44    11          nextNonTrapping  Lorg/graalvm/compiler/nodes/FixedNode;
           12   44    12                    value  Lorg/graalvm/compiler/nodes/ValueNode;
           15   32    13          fixedAccessNode  Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;
           17   32    14                  address  Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
           18   32    15                     base  Lorg/graalvm/compiler/nodes/ValueNode;
           19   32    16                    index  Lorg/graalvm/compiler/nodes/ValueNode;
    MethodParameters:
                        Name  Flags
      deopt                   
      ifNode                  
      condition               
      deoptimizationReason    
      implicitNullCheckLimit  

  protected void run(org.graalvm.compiler.nodes.StructuredGraph, java.lang.Object);
    descriptor: (Lorg/graalvm/compiler/nodes/StructuredGraph;Ljava/lang/Object;)V
    flags: (0x1044) ACC_PROTECTED, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=3, locals=3, args_size=3
         0: .line 1
            aload 0
            aload 1
            aload 2
            checkcast org.graalvm.compiler.phases.tiers.LowTierContext
            invokevirtual org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase.run:(Lorg/graalvm/compiler/nodes/StructuredGraph;Lorg/graalvm/compiler/phases/tiers/LowTierContext;)V
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Lorg/graalvm/compiler/phases/BasePhase<Lorg/graalvm/compiler/phases/tiers/LowTierContext;>;
SourceFile: "UseTrappingNullChecksPhase.java"
NestMembers:
  org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase$Options
InnerClasses:
  public Speculation = jdk.vm.ci.meta.SpeculationLog$Speculation of jdk.vm.ci.meta.SpeculationLog
  public final GuardsStage = org.graalvm.compiler.nodes.StructuredGraph$GuardsStage of org.graalvm.compiler.nodes.StructuredGraph
  public Options = org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase$Options of org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase
/

java/ 15/ jdk.internal.vm.compiler/org/graalvm/compiler/phases/common/UseTrappingNullChecksPhase.class
