public abstract class org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator
  super_class: java.lang.Object
{
  private final java.util.Deque<org.graalvm.compiler.nodes.FixedNode> nodeQueue;
    descriptor: Ljava/util/Deque;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Deque<Lorg/graalvm/compiler/nodes/FixedNode;>;

  private final org.graalvm.compiler.graph.NodeBitMap queuedNodes;
    descriptor: Lorg/graalvm/compiler/graph/NodeBitMap;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.Deque<org.graalvm.compiler.nodes.FixedNode> scopes;
    descriptor: Ljava/util/Deque;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Deque<Lorg/graalvm/compiler/nodes/FixedNode;>;

  protected org.graalvm.compiler.nodes.FixedNode currentScopeStart;
    descriptor: Lorg/graalvm/compiler/nodes/FixedNode;
    flags: (0x0004) ACC_PROTECTED

  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 44
            ldc Lorg/graalvm/compiler/phases/graph/ScopedPostOrderNodeIterator;
            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.graph.ScopedPostOrderNodeIterator.$assertionsDisabled:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(org.graalvm.compiler.nodes.StructuredGraph);
    descriptor: (Lorg/graalvm/compiler/nodes/StructuredGraph;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
        start local 1 // org.graalvm.compiler.nodes.StructuredGraph graph
         0: .line 52
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 53
            aload 0 /* this */
            aload 1 /* graph */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.createNodeBitMap:()Lorg/graalvm/compiler/graph/NodeBitMap;
            putfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queuedNodes:Lorg/graalvm/compiler/graph/NodeBitMap;
         2: .line 54
            aload 0 /* this */
            new java.util.ArrayDeque
            dup
            invokespecial java.util.ArrayDeque.<init>:()V
            putfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.nodeQueue:Ljava/util/Deque;
         3: .line 55
            aload 0 /* this */
            aload 0 /* this */
            aload 1 /* graph */
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.getScopes:(Lorg/graalvm/compiler/nodes/StructuredGraph;)Ljava/util/Deque;
            putfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.scopes:Ljava/util/Deque;
         4: .line 56
            return
        end local 1 // org.graalvm.compiler.nodes.StructuredGraph graph
        end local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    5     0   this  Lorg/graalvm/compiler/phases/graph/ScopedPostOrderNodeIterator;
            0    5     1  graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
    MethodParameters:
       Name  Flags
      graph  

  public void apply();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
         0: .line 59
            goto 5
         1: .line 60
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queuedNodes:Lorg/graalvm/compiler/graph/NodeBitMap;
            invokevirtual org.graalvm.compiler.graph.NodeBitMap.clearAll:()V
         2: .line 61
            aload 0 /* this */
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.scopes:Ljava/util/Deque;
            invokeinterface java.util.Deque.pop:()Ljava/lang/Object;
            checkcast org.graalvm.compiler.nodes.FixedNode
            putfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.currentScopeStart:Lorg/graalvm/compiler/nodes/FixedNode;
         3: .line 62
            aload 0 /* this */
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.initializeScope:()V
         4: .line 63
            aload 0 /* this */
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.processScope:()V
         5: .line 59
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.scopes:Ljava/util/Deque;
            invokeinterface java.util.Deque.isEmpty:()Z
            ifeq 1
         6: .line 65
            return
        end local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lorg/graalvm/compiler/phases/graph/ScopedPostOrderNodeIterator;

  public void processScope();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
         0: .line 69
            aload 0 /* this */
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.currentScopeStart:Lorg/graalvm/compiler/nodes/FixedNode;
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queue:(Lorg/graalvm/compiler/graph/Node;)V
         1: .line 71
            goto 28
        start local 1 // org.graalvm.compiler.nodes.FixedNode current
         2: .line 72
      StackMap locals: org.graalvm.compiler.nodes.FixedNode
      StackMap stack:
            getstatic org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.$assertionsDisabled:Z
            ifne 3
            aload 1 /* current */
            invokevirtual org.graalvm.compiler.nodes.FixedNode.isAlive:()Z
            ifne 3
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         3: .line 74
      StackMap locals:
      StackMap stack:
            aload 1 /* current */
            instanceof org.graalvm.compiler.nodes.Invoke
            ifeq 7
         4: .line 75
            aload 0 /* this */
            aload 1 /* current */
            checkcast org.graalvm.compiler.nodes.Invoke
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.invoke:(Lorg/graalvm/compiler/nodes/Invoke;)V
         5: .line 76
            aload 0 /* this */
            aload 1 /* current */
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queueSuccessors:(Lorg/graalvm/compiler/nodes/FixedNode;)V
         6: .line 77
            goto 28
      StackMap locals:
      StackMap stack:
         7: aload 1 /* current */
            instanceof org.graalvm.compiler.nodes.LoopBeginNode
            ifeq 10
         8: .line 78
            aload 0 /* this */
            aload 1 /* current */
            checkcast org.graalvm.compiler.nodes.LoopBeginNode
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queueLoopBeginSuccessors:(Lorg/graalvm/compiler/nodes/LoopBeginNode;)V
         9: .line 79
            goto 28
      StackMap locals:
      StackMap stack:
        10: aload 1 /* current */
            instanceof org.graalvm.compiler.nodes.LoopExitNode
            ifeq 13
        11: .line 80
            aload 0 /* this */
            aload 1 /* current */
            checkcast org.graalvm.compiler.nodes.LoopExitNode
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queueLoopExitSuccessors:(Lorg/graalvm/compiler/nodes/LoopExitNode;)V
        12: .line 81
            goto 28
      StackMap locals:
      StackMap stack:
        13: aload 1 /* current */
            instanceof org.graalvm.compiler.nodes.LoopEndNode
            ifne 28
        14: .line 83
            aload 1 /* current */
            instanceof org.graalvm.compiler.nodes.AbstractMergeNode
            ifeq 17
        15: .line 84
            aload 0 /* this */
            aload 1 /* current */
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queueSuccessors:(Lorg/graalvm/compiler/nodes/FixedNode;)V
        16: .line 85
            goto 28
      StackMap locals:
      StackMap stack:
        17: aload 1 /* current */
            instanceof org.graalvm.compiler.nodes.FixedWithNextNode
            ifeq 20
        18: .line 86
            aload 0 /* this */
            aload 1 /* current */
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queueSuccessors:(Lorg/graalvm/compiler/nodes/FixedNode;)V
        19: .line 87
            goto 28
      StackMap locals:
      StackMap stack:
        20: aload 1 /* current */
            instanceof org.graalvm.compiler.nodes.EndNode
            ifeq 23
        21: .line 88
            aload 0 /* this */
            aload 1 /* current */
            checkcast org.graalvm.compiler.nodes.EndNode
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queueMerge:(Lorg/graalvm/compiler/nodes/AbstractEndNode;)V
        22: .line 89
            goto 28
      StackMap locals:
      StackMap stack:
        23: aload 1 /* current */
            instanceof org.graalvm.compiler.nodes.ControlSinkNode
            ifne 28
        24: .line 91
            aload 1 /* current */
            instanceof org.graalvm.compiler.nodes.ControlSplitNode
            ifeq 27
        25: .line 92
            aload 0 /* this */
            aload 1 /* current */
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queueSuccessors:(Lorg/graalvm/compiler/nodes/FixedNode;)V
        26: .line 93
            goto 28
        27: .line 94
      StackMap locals:
      StackMap stack:
            getstatic org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.$assertionsDisabled:Z
            ifne 28
            new java.lang.AssertionError
            dup
            aload 1 /* current */
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
        end local 1 // org.graalvm.compiler.nodes.FixedNode current
        28: .line 71
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.nextQueuedNode:()Lorg/graalvm/compiler/nodes/FixedNode;
            dup
            astore 1 /* current */
        start local 1 // org.graalvm.compiler.nodes.FixedNode current
        29: ifnonnull 2
        30: .line 97
            return
        end local 1 // org.graalvm.compiler.nodes.FixedNode current
        end local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   31     0     this  Lorg/graalvm/compiler/phases/graph/ScopedPostOrderNodeIterator;
            2   28     1  current  Lorg/graalvm/compiler/nodes/FixedNode;
           29   31     1  current  Lorg/graalvm/compiler/nodes/FixedNode;

  protected void queueLoopBeginSuccessors(org.graalvm.compiler.nodes.LoopBeginNode);
    descriptor: (Lorg/graalvm/compiler/nodes/LoopBeginNode;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=4, args_size=2
        start local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
        start local 1 // org.graalvm.compiler.nodes.LoopBeginNode node
         0: .line 100
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.currentScopeStart:Lorg/graalvm/compiler/nodes/FixedNode;
            aload 1 /* node */
            if_acmpne 3
         1: .line 101
            aload 0 /* this */
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.LoopBeginNode.next:()Lorg/graalvm/compiler/nodes/FixedNode;
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queue:(Lorg/graalvm/compiler/graph/Node;)V
         2: .line 102
            goto 11
      StackMap locals:
      StackMap stack:
         3: aload 0 /* this */
            getfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.currentScopeStart:Lorg/graalvm/compiler/nodes/FixedNode;
            instanceof org.graalvm.compiler.nodes.LoopBeginNode
            ifeq 10
         4: .line 105
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.LoopBeginNode.loopExits:()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            invokeinterface org.graalvm.compiler.graph.iterators.NodeIterable.iterator:()Ljava/util/Iterator;
            astore 3
            goto 8
      StackMap locals: org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator org.graalvm.compiler.nodes.LoopBeginNode top java.util.Iterator
      StackMap stack:
         5: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.graalvm.compiler.nodes.LoopExitNode
            astore 2 /* loopExit */
        start local 2 // org.graalvm.compiler.nodes.LoopExitNode loopExit
         6: .line 106
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.currentScopeStart:Lorg/graalvm/compiler/nodes/FixedNode;
            checkcast org.graalvm.compiler.nodes.LoopBeginNode
            invokevirtual org.graalvm.compiler.nodes.LoopBeginNode.loopExits:()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            aload 2 /* loopExit */
            invokeinterface org.graalvm.compiler.graph.iterators.NodeIterable.contains:(Lorg/graalvm/compiler/graph/Node;)Z
            ifne 8
         7: .line 107
            aload 0 /* this */
            aload 2 /* loopExit */
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queue:(Lorg/graalvm/compiler/graph/Node;)V
        end local 2 // org.graalvm.compiler.nodes.LoopExitNode loopExit
         8: .line 105
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 5
         9: .line 110
            goto 11
        10: .line 111
      StackMap locals: org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator org.graalvm.compiler.nodes.LoopBeginNode
      StackMap stack:
            aload 0 /* this */
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.LoopBeginNode.loopExits:()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queue:(Lorg/graalvm/compiler/graph/iterators/NodeIterable;)V
        11: .line 113
      StackMap locals:
      StackMap stack:
            return
        end local 1 // org.graalvm.compiler.nodes.LoopBeginNode node
        end local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   12     0      this  Lorg/graalvm/compiler/phases/graph/ScopedPostOrderNodeIterator;
            0   12     1      node  Lorg/graalvm/compiler/nodes/LoopBeginNode;
            6    8     2  loopExit  Lorg/graalvm/compiler/nodes/LoopExitNode;
    MethodParameters:
      Name  Flags
      node  

  protected void queueLoopExitSuccessors(org.graalvm.compiler.nodes.LoopExitNode);
    descriptor: (Lorg/graalvm/compiler/nodes/LoopExitNode;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
        start local 1 // org.graalvm.compiler.nodes.LoopExitNode node
         0: .line 116
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.currentScopeStart:Lorg/graalvm/compiler/nodes/FixedNode;
            instanceof org.graalvm.compiler.nodes.LoopBeginNode
            ifeq 1
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.currentScopeStart:Lorg/graalvm/compiler/nodes/FixedNode;
            checkcast org.graalvm.compiler.nodes.LoopBeginNode
            invokevirtual org.graalvm.compiler.nodes.LoopBeginNode.loopExits:()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            aload 1 /* node */
            invokeinterface org.graalvm.compiler.graph.iterators.NodeIterable.contains:(Lorg/graalvm/compiler/graph/Node;)Z
            ifne 2
         1: .line 117
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queueSuccessors:(Lorg/graalvm/compiler/nodes/FixedNode;)V
         2: .line 119
      StackMap locals:
      StackMap stack:
            return
        end local 1 // org.graalvm.compiler.nodes.LoopExitNode node
        end local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/graalvm/compiler/phases/graph/ScopedPostOrderNodeIterator;
            0    3     1  node  Lorg/graalvm/compiler/nodes/LoopExitNode;
    MethodParameters:
      Name  Flags
      node  

  protected java.util.Deque<org.graalvm.compiler.nodes.FixedNode> getScopes(org.graalvm.compiler.nodes.StructuredGraph);
    descriptor: (Lorg/graalvm/compiler/nodes/StructuredGraph;)Ljava/util/Deque;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=5, args_size=2
        start local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
        start local 1 // org.graalvm.compiler.nodes.StructuredGraph graph
         0: .line 122
            new java.util.ArrayDeque
            dup
            invokespecial java.util.ArrayDeque.<init>:()V
            astore 2 /* result */
        start local 2 // java.util.Deque result
         1: .line 123
            aload 2 /* result */
            aload 1 /* graph */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.start:()Lorg/graalvm/compiler/nodes/StartNode;
            invokeinterface java.util.Deque.push:(Ljava/lang/Object;)V
         2: .line 124
            aload 1 /* graph */
            getstatic org.graalvm.compiler.nodes.LoopBeginNode.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 4
            goto 5
      StackMap locals: org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator org.graalvm.compiler.nodes.StructuredGraph java.util.Deque top java.util.Iterator
      StackMap stack:
         3: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.graalvm.compiler.nodes.LoopBeginNode
            astore 3 /* loopBegin */
        start local 3 // org.graalvm.compiler.nodes.LoopBeginNode loopBegin
         4: .line 125
            aload 2 /* result */
            aload 3 /* loopBegin */
            invokeinterface java.util.Deque.push:(Ljava/lang/Object;)V
        end local 3 // org.graalvm.compiler.nodes.LoopBeginNode loopBegin
         5: .line 124
      StackMap locals:
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
         6: .line 127
            aload 2 /* result */
            areturn
        end local 2 // java.util.Deque result
        end local 1 // org.graalvm.compiler.nodes.StructuredGraph graph
        end local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    7     0       this  Lorg/graalvm/compiler/phases/graph/ScopedPostOrderNodeIterator;
            0    7     1      graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            1    7     2     result  Ljava/util/Deque<Lorg/graalvm/compiler/nodes/FixedNode;>;
            4    5     3  loopBegin  Lorg/graalvm/compiler/nodes/LoopBeginNode;
    Signature: (Lorg/graalvm/compiler/nodes/StructuredGraph;)Ljava/util/Deque<Lorg/graalvm/compiler/nodes/FixedNode;>;
    MethodParameters:
       Name  Flags
      graph  

  private void queueSuccessors(org.graalvm.compiler.nodes.FixedNode);
    descriptor: (Lorg/graalvm/compiler/nodes/FixedNode;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
        start local 1 // org.graalvm.compiler.nodes.FixedNode x
         0: .line 131
            aload 0 /* this */
            aload 1 /* x */
            invokevirtual org.graalvm.compiler.nodes.FixedNode.successors:()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queue:(Lorg/graalvm/compiler/graph/iterators/NodeIterable;)V
         1: .line 132
            return
        end local 1 // org.graalvm.compiler.nodes.FixedNode x
        end local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/graalvm/compiler/phases/graph/ScopedPostOrderNodeIterator;
            0    2     1     x  Lorg/graalvm/compiler/nodes/FixedNode;
    MethodParameters:
      Name  Flags
      x     

  private void queue(org.graalvm.compiler.graph.iterators.NodeIterable<? extends org.graalvm.compiler.graph.Node>);
    descriptor: (Lorg/graalvm/compiler/graph/iterators/NodeIterable;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=4, args_size=2
        start local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
        start local 1 // org.graalvm.compiler.graph.iterators.NodeIterable iter
         0: .line 135
            aload 1 /* iter */
            invokeinterface org.graalvm.compiler.graph.iterators.NodeIterable.iterator:()Ljava/util/Iterator;
            astore 3
            goto 3
      StackMap locals: org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator org.graalvm.compiler.graph.iterators.NodeIterable top java.util.Iterator
      StackMap stack:
         1: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.graalvm.compiler.graph.Node
            astore 2 /* node */
        start local 2 // org.graalvm.compiler.graph.Node node
         2: .line 136
            aload 0 /* this */
            aload 2 /* node */
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queue:(Lorg/graalvm/compiler/graph/Node;)V
        end local 2 // org.graalvm.compiler.graph.Node node
         3: .line 135
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 1
         4: .line 138
            return
        end local 1 // org.graalvm.compiler.graph.iterators.NodeIterable iter
        end local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/graalvm/compiler/phases/graph/ScopedPostOrderNodeIterator;
            0    5     1  iter  Lorg/graalvm/compiler/graph/iterators/NodeIterable<+Lorg/graalvm/compiler/graph/Node;>;
            2    3     2  node  Lorg/graalvm/compiler/graph/Node;
    Signature: (Lorg/graalvm/compiler/graph/iterators/NodeIterable<+Lorg/graalvm/compiler/graph/Node;>;)V
    MethodParameters:
      Name  Flags
      iter  

  private void queue(org.graalvm.compiler.graph.Node);
    descriptor: (Lorg/graalvm/compiler/graph/Node;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
        start local 1 // org.graalvm.compiler.graph.Node node
         0: .line 141
            aload 1 /* node */
            ifnull 3
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queuedNodes:Lorg/graalvm/compiler/graph/NodeBitMap;
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.graph.NodeBitMap.isMarked:(Lorg/graalvm/compiler/graph/Node;)Z
            ifne 3
         1: .line 142
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queuedNodes:Lorg/graalvm/compiler/graph/NodeBitMap;
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.graph.NodeBitMap.mark:(Lorg/graalvm/compiler/graph/Node;)V
         2: .line 143
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.nodeQueue:Ljava/util/Deque;
            aload 1 /* node */
            checkcast org.graalvm.compiler.nodes.FixedNode
            invokeinterface java.util.Deque.addFirst:(Ljava/lang/Object;)V
         3: .line 145
      StackMap locals:
      StackMap stack:
            return
        end local 1 // org.graalvm.compiler.graph.Node node
        end local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/graalvm/compiler/phases/graph/ScopedPostOrderNodeIterator;
            0    4     1  node  Lorg/graalvm/compiler/graph/Node;
    MethodParameters:
      Name  Flags
      node  

  private org.graalvm.compiler.nodes.FixedNode nextQueuedNode();
    descriptor: ()Lorg/graalvm/compiler/nodes/FixedNode;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
         0: .line 148
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.nodeQueue:Ljava/util/Deque;
            invokeinterface java.util.Deque.isEmpty:()Z
            ifeq 2
         1: .line 149
            aconst_null
            areturn
         2: .line 152
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.nodeQueue:Ljava/util/Deque;
            invokeinterface java.util.Deque.removeFirst:()Ljava/lang/Object;
            checkcast org.graalvm.compiler.nodes.FixedNode
            astore 1 /* result */
        start local 1 // org.graalvm.compiler.nodes.FixedNode result
         3: .line 153
            getstatic org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.$assertionsDisabled:Z
            ifne 4
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queuedNodes:Lorg/graalvm/compiler/graph/NodeBitMap;
            aload 1 /* result */
            invokevirtual org.graalvm.compiler.graph.NodeBitMap.isMarked:(Lorg/graalvm/compiler/graph/Node;)Z
            ifne 4
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         4: .line 154
      StackMap locals: org.graalvm.compiler.nodes.FixedNode
      StackMap stack:
            aload 1 /* result */
            areturn
        end local 1 // org.graalvm.compiler.nodes.FixedNode result
        end local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    5     0    this  Lorg/graalvm/compiler/phases/graph/ScopedPostOrderNodeIterator;
            3    5     1  result  Lorg/graalvm/compiler/nodes/FixedNode;

  private void queueMerge(org.graalvm.compiler.nodes.AbstractEndNode);
    descriptor: (Lorg/graalvm/compiler/nodes/AbstractEndNode;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
        start local 1 // org.graalvm.compiler.nodes.AbstractEndNode end
         0: .line 158
            aload 1 /* end */
            invokevirtual org.graalvm.compiler.nodes.AbstractEndNode.merge:()Lorg/graalvm/compiler/nodes/AbstractMergeNode;
            astore 2 /* merge */
        start local 2 // org.graalvm.compiler.nodes.AbstractMergeNode merge
         1: .line 159
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queuedNodes:Lorg/graalvm/compiler/graph/NodeBitMap;
            aload 2 /* merge */
            invokevirtual org.graalvm.compiler.graph.NodeBitMap.isMarked:(Lorg/graalvm/compiler/graph/Node;)Z
            ifne 3
            aload 0 /* this */
            aload 2 /* merge */
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.visitedAllEnds:(Lorg/graalvm/compiler/nodes/AbstractMergeNode;)Z
            ifeq 3
         2: .line 160
            aload 0 /* this */
            aload 2 /* merge */
            invokevirtual org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queue:(Lorg/graalvm/compiler/graph/Node;)V
         3: .line 162
      StackMap locals: org.graalvm.compiler.nodes.AbstractMergeNode
      StackMap stack:
            return
        end local 2 // org.graalvm.compiler.nodes.AbstractMergeNode merge
        end local 1 // org.graalvm.compiler.nodes.AbstractEndNode end
        end local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0   this  Lorg/graalvm/compiler/phases/graph/ScopedPostOrderNodeIterator;
            0    4     1    end  Lorg/graalvm/compiler/nodes/AbstractEndNode;
            1    4     2  merge  Lorg/graalvm/compiler/nodes/AbstractMergeNode;
    MethodParameters:
      Name  Flags
      end   

  private boolean visitedAllEnds(org.graalvm.compiler.nodes.AbstractMergeNode);
    descriptor: (Lorg/graalvm/compiler/nodes/AbstractMergeNode;)Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
        start local 1 // org.graalvm.compiler.nodes.AbstractMergeNode merge
         0: .line 165
            iconst_0
            istore 2 /* i */
        start local 2 // int i
         1: goto 5
         2: .line 166
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator.queuedNodes:Lorg/graalvm/compiler/graph/NodeBitMap;
            aload 1 /* merge */
            iload 2 /* i */
            invokevirtual org.graalvm.compiler.nodes.AbstractMergeNode.forwardEndAt:(I)Lorg/graalvm/compiler/nodes/EndNode;
            invokevirtual org.graalvm.compiler.graph.NodeBitMap.isMarked:(Lorg/graalvm/compiler/graph/Node;)Z
            ifne 4
         3: .line 167
            iconst_0
            ireturn
         4: .line 165
      StackMap locals:
      StackMap stack:
            iinc 2 /* i */ 1
      StackMap locals:
      StackMap stack:
         5: iload 2 /* i */
            aload 1 /* merge */
            invokevirtual org.graalvm.compiler.nodes.AbstractMergeNode.forwardEndCount:()I
            if_icmplt 2
        end local 2 // int i
         6: .line 170
            iconst_1
            ireturn
        end local 1 // org.graalvm.compiler.nodes.AbstractMergeNode merge
        end local 0 // org.graalvm.compiler.phases.graph.ScopedPostOrderNodeIterator this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    7     0   this  Lorg/graalvm/compiler/phases/graph/ScopedPostOrderNodeIterator;
            0    7     1  merge  Lorg/graalvm/compiler/nodes/AbstractMergeNode;
            1    6     2      i  I
    MethodParameters:
       Name  Flags
      merge  

  protected abstract void initializeScope();
    descriptor: ()V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT

  protected abstract void invoke(org.graalvm.compiler.nodes.Invoke);
    descriptor: (Lorg/graalvm/compiler/nodes/Invoke;)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      invoke  
}
SourceFile: "ScopedPostOrderNodeIterator.java"