java/12 : jdk.internal.vm.compiler/org/graalvm/compiler/hotspot/phases/WriteBarrierAdditionPhase.class

WriteBarrierAdditionPhase
https://openjdk.java.net/
GPLv2 + Classpath Exception
public class org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase extends org.graalvm.compiler.phases.Phase
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase
  super_class: org.graalvm.compiler.phases.Phase
{
  private org.graalvm.compiler.hotspot.GraalHotSpotVMConfig config;
    descriptor: Lorg/graalvm/compiler/hotspot/GraalHotSpotVMConfig;
    flags: (0x0002) ACC_PRIVATE

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

  private static volatile int[] $SWITCH_TABLE$org$graalvm$compiler$nodes$memory$HeapAccess$BarrierType;
    descriptor: [I
    flags: (0x104a) ACC_PRIVATE, ACC_STATIC, ACC_VOLATILE, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 51
            ldc Lorg/graalvm/compiler/hotspot/phases/WriteBarrierAdditionPhase;
            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.hotspot.phases.WriteBarrierAdditionPhase.$assertionsDisabled:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(org.graalvm.compiler.hotspot.GraalHotSpotVMConfig);
    descriptor: (Lorg/graalvm/compiler/hotspot/GraalHotSpotVMConfig;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
        start local 1 // org.graalvm.compiler.hotspot.GraalHotSpotVMConfig config
         0: .line 55
            aload 0 /* this */
            invokespecial org.graalvm.compiler.phases.Phase.<init>:()V
         1: .line 56
            aload 0 /* this */
            aload 1 /* config */
            putfield org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.config:Lorg/graalvm/compiler/hotspot/GraalHotSpotVMConfig;
         2: .line 57
            return
        end local 1 // org.graalvm.compiler.hotspot.GraalHotSpotVMConfig config
        end local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lorg/graalvm/compiler/hotspot/phases/WriteBarrierAdditionPhase;
            0    3     1  config  Lorg/graalvm/compiler/hotspot/GraalHotSpotVMConfig;
    MethodParameters:
        Name  Flags
      config  

  protected void run(org.graalvm.compiler.nodes.StructuredGraph);
    descriptor: (Lorg/graalvm/compiler/nodes/StructuredGraph;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=8, args_size=2
        start local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
        start local 1 // org.graalvm.compiler.nodes.StructuredGraph graph
         0: .line 62
            aload 1 /* graph */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.getNodes:()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            invokeinterface org.graalvm.compiler.graph.iterators.NodeIterable.iterator:()Ljava/util/Iterator;
            astore 3
            goto 27
      StackMap locals: org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase org.graalvm.compiler.nodes.StructuredGraph 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 /* n */
        start local 2 // org.graalvm.compiler.graph.Node n
         2: .line 63
            aconst_null
            astore 4
            aconst_null
            astore 5
         3: aload 2 /* n */
            invokevirtual org.graalvm.compiler.graph.Node.graph:()Lorg/graalvm/compiler/graph/Graph;
            aload 2 /* n */
            invokevirtual org.graalvm.compiler.graph.Graph.withNodeSourcePosition:(Lorg/graalvm/compiler/graph/Node;)Lorg/graalvm/compiler/debug/DebugCloseable;
            astore 6 /* scope */
        start local 6 // org.graalvm.compiler.debug.DebugCloseable scope
         4: .line 64
            aload 2 /* n */
            instanceof org.graalvm.compiler.nodes.memory.ReadNode
            ifeq 7
         5: .line 65
            aload 0 /* this */
            aload 2 /* n */
            checkcast org.graalvm.compiler.nodes.memory.ReadNode
            aload 1 /* graph */
            invokevirtual org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.addReadNodeBarriers:(Lorg/graalvm/compiler/nodes/memory/ReadNode;Lorg/graalvm/compiler/nodes/StructuredGraph;)V
         6: .line 66
            goto 21
      StackMap locals: org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase org.graalvm.compiler.nodes.StructuredGraph org.graalvm.compiler.graph.Node java.util.Iterator java.lang.Throwable java.lang.Throwable org.graalvm.compiler.debug.DebugCloseable
      StackMap stack:
         7: aload 2 /* n */
            instanceof org.graalvm.compiler.nodes.memory.WriteNode
            ifeq 10
         8: .line 67
            aload 0 /* this */
            aload 2 /* n */
            checkcast org.graalvm.compiler.nodes.memory.WriteNode
            aload 1 /* graph */
            invokevirtual org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.addWriteNodeBarriers:(Lorg/graalvm/compiler/nodes/memory/WriteNode;Lorg/graalvm/compiler/nodes/StructuredGraph;)V
         9: .line 68
            goto 21
      StackMap locals:
      StackMap stack:
        10: aload 2 /* n */
            instanceof org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode
            ifeq 14
        11: .line 69
            aload 2 /* n */
            checkcast org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode
            astore 7 /* loweredAtomicReadAndWriteNode */
        start local 7 // org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode loweredAtomicReadAndWriteNode
        12: .line 70
            aload 0 /* this */
            aload 7 /* loweredAtomicReadAndWriteNode */
            aload 1 /* graph */
            invokevirtual org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.addAtomicReadWriteNodeBarriers:(Lorg/graalvm/compiler/nodes/java/LoweredAtomicReadAndWriteNode;Lorg/graalvm/compiler/nodes/StructuredGraph;)V
        end local 7 // org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode loweredAtomicReadAndWriteNode
        13: .line 71
            goto 21
      StackMap locals:
      StackMap stack:
        14: aload 2 /* n */
            instanceof org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode
            ifeq 17
        15: .line 72
            aload 0 /* this */
            aload 2 /* n */
            checkcast org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode
            aload 1 /* graph */
            invokevirtual org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.addCASBarriers:(Lorg/graalvm/compiler/nodes/java/AbstractCompareAndSwapNode;Lorg/graalvm/compiler/nodes/StructuredGraph;)V
        16: .line 73
            goto 21
      StackMap locals:
      StackMap stack:
        17: aload 2 /* n */
            instanceof org.graalvm.compiler.nodes.extended.ArrayRangeWrite
            ifeq 21
        18: .line 74
            aload 2 /* n */
            checkcast org.graalvm.compiler.nodes.extended.ArrayRangeWrite
            astore 7 /* node */
        start local 7 // org.graalvm.compiler.nodes.extended.ArrayRangeWrite node
        19: .line 75
            aload 7 /* node */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.writesObjectArray:()Z
            ifeq 21
        20: .line 76
            aload 0 /* this */
            aload 7 /* node */
            aload 1 /* graph */
            invokevirtual org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.addArrayRangeBarriers:(Lorg/graalvm/compiler/nodes/extended/ArrayRangeWrite;Lorg/graalvm/compiler/nodes/StructuredGraph;)V
        end local 7 // org.graalvm.compiler.nodes.extended.ArrayRangeWrite node
        21: .line 79
      StackMap locals:
      StackMap stack:
            aload 6 /* scope */
            ifnull 27
            aload 6 /* scope */
            invokeinterface org.graalvm.compiler.debug.DebugCloseable.close:()V
            goto 27
      StackMap locals:
      StackMap stack: java.lang.Throwable
        22: astore 4
            aload 6 /* scope */
            ifnull 23
            aload 6 /* scope */
            invokeinterface org.graalvm.compiler.debug.DebugCloseable.close:()V
        end local 6 // org.graalvm.compiler.debug.DebugCloseable scope
      StackMap locals:
      StackMap stack:
        23: aload 4
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        24: astore 5
            aload 4
            ifnonnull 25
            aload 5
            astore 4
            goto 26
      StackMap locals:
      StackMap stack:
        25: aload 4
            aload 5
            if_acmpeq 26
            aload 4
            aload 5
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        26: aload 4
            athrow
        end local 2 // org.graalvm.compiler.graph.Node n
        27: .line 62
      StackMap locals: org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase org.graalvm.compiler.nodes.StructuredGraph top java.util.Iterator
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 1
        28: .line 81
            return
        end local 1 // org.graalvm.compiler.nodes.StructuredGraph graph
        end local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
      LocalVariableTable:
        Start  End  Slot                           Name  Signature
            0   29     0                           this  Lorg/graalvm/compiler/hotspot/phases/WriteBarrierAdditionPhase;
            0   29     1                          graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            2   27     2                              n  Lorg/graalvm/compiler/graph/Node;
            4   23     6                          scope  Lorg/graalvm/compiler/debug/DebugCloseable;
           12   13     7  loweredAtomicReadAndWriteNode  Lorg/graalvm/compiler/nodes/java/LoweredAtomicReadAndWriteNode;
           19   21     7                           node  Lorg/graalvm/compiler/nodes/extended/ArrayRangeWrite;
      Exception table:
        from    to  target  type
           4    21      22  any
           3    24      24  any
    MethodParameters:
       Name  Flags
      graph  

  private void addReadNodeBarriers(org.graalvm.compiler.nodes.memory.ReadNode, org.graalvm.compiler.nodes.StructuredGraph);
    descriptor: (Lorg/graalvm/compiler/nodes/memory/ReadNode;Lorg/graalvm/compiler/nodes/StructuredGraph;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=6, locals=4, args_size=3
        start local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
        start local 1 // org.graalvm.compiler.nodes.memory.ReadNode node
        start local 2 // org.graalvm.compiler.nodes.StructuredGraph graph
         0: .line 84
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.ReadNode.getBarrierType:()Lorg/graalvm/compiler/nodes/memory/HeapAccess$BarrierType;
            getstatic org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType.PRECISE:Lorg/graalvm/compiler/nodes/memory/HeapAccess$BarrierType;
            if_acmpne 5
         1: .line 85
            getstatic org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.$assertionsDisabled:Z
            ifne 2
            aload 0 /* this */
            getfield org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.config:Lorg/graalvm/compiler/hotspot/GraalHotSpotVMConfig;
            getfield org.graalvm.compiler.hotspot.GraalHotSpotVMConfig.useG1GC:Z
            ifne 2
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         2: .line 86
      StackMap locals:
      StackMap stack:
            aload 2 /* graph */
            new org.graalvm.compiler.hotspot.nodes.G1ReferentFieldReadBarrier
            dup
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.ReadNode.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            aload 1 /* node */
            iconst_0
            invokespecial org.graalvm.compiler.hotspot.nodes.G1ReferentFieldReadBarrier.<init>:(Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Lorg/graalvm/compiler/nodes/ValueNode;Z)V
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.add:(Lorg/graalvm/compiler/graph/Node;)Lorg/graalvm/compiler/graph/Node;
            checkcast org.graalvm.compiler.hotspot.nodes.G1ReferentFieldReadBarrier
            astore 3 /* barrier */
        start local 3 // org.graalvm.compiler.hotspot.nodes.G1ReferentFieldReadBarrier barrier
         3: .line 87
            aload 2 /* graph */
            aload 1 /* node */
            aload 3 /* barrier */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.addAfterFixed:(Lorg/graalvm/compiler/nodes/FixedWithNextNode;Lorg/graalvm/compiler/nodes/FixedNode;)V
        end local 3 // org.graalvm.compiler.hotspot.nodes.G1ReferentFieldReadBarrier barrier
         4: .line 88
            goto 6
         5: .line 89
      StackMap locals:
      StackMap stack:
            getstatic org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.$assertionsDisabled:Z
            ifne 6
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.ReadNode.getBarrierType:()Lorg/graalvm/compiler/nodes/memory/HeapAccess$BarrierType;
            getstatic org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType.NONE:Lorg/graalvm/compiler/nodes/memory/HeapAccess$BarrierType;
            if_acmpeq 6
            new java.lang.AssertionError
            dup
            ldc "Non precise read barrier has been attached to read node."
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
         6: .line 91
      StackMap locals:
      StackMap stack:
            return
        end local 2 // org.graalvm.compiler.nodes.StructuredGraph graph
        end local 1 // org.graalvm.compiler.nodes.memory.ReadNode node
        end local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    7     0     this  Lorg/graalvm/compiler/hotspot/phases/WriteBarrierAdditionPhase;
            0    7     1     node  Lorg/graalvm/compiler/nodes/memory/ReadNode;
            0    7     2    graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            3    4     3  barrier  Lorg/graalvm/compiler/hotspot/nodes/G1ReferentFieldReadBarrier;
    MethodParameters:
       Name  Flags
      node   
      graph  

  protected static void addG1PreWriteBarrier(org.graalvm.compiler.nodes.memory.FixedAccessNode, org.graalvm.compiler.nodes.memory.address.AddressNode, org.graalvm.compiler.nodes.ValueNode, boolean, boolean, org.graalvm.compiler.nodes.StructuredGraph);
    descriptor: (Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Lorg/graalvm/compiler/nodes/ValueNode;ZZLorg/graalvm/compiler/nodes/StructuredGraph;)V
    flags: (0x000c) ACC_PROTECTED, ACC_STATIC
    Code:
      stack=7, locals=7, args_size=6
        start local 0 // org.graalvm.compiler.nodes.memory.FixedAccessNode node
        start local 1 // org.graalvm.compiler.nodes.memory.address.AddressNode address
        start local 2 // org.graalvm.compiler.nodes.ValueNode value
        start local 3 // boolean doLoad
        start local 4 // boolean nullCheck
        start local 5 // org.graalvm.compiler.nodes.StructuredGraph graph
         0: .line 94
            aload 5 /* graph */
            new org.graalvm.compiler.hotspot.nodes.G1PreWriteBarrier
            dup
            aload 1 /* address */
            aload 2 /* value */
            iload 3 /* doLoad */
            iload 4 /* nullCheck */
            invokespecial org.graalvm.compiler.hotspot.nodes.G1PreWriteBarrier.<init>:(Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Lorg/graalvm/compiler/nodes/ValueNode;ZZ)V
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.add:(Lorg/graalvm/compiler/graph/Node;)Lorg/graalvm/compiler/graph/Node;
            checkcast org.graalvm.compiler.hotspot.nodes.G1PreWriteBarrier
            astore 6 /* preBarrier */
        start local 6 // org.graalvm.compiler.hotspot.nodes.G1PreWriteBarrier preBarrier
         1: .line 95
            aload 6 /* preBarrier */
            aload 0 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.FixedAccessNode.stateBefore:()Lorg/graalvm/compiler/nodes/FrameState;
            invokevirtual org.graalvm.compiler.hotspot.nodes.G1PreWriteBarrier.setStateBefore:(Lorg/graalvm/compiler/nodes/FrameState;)V
         2: .line 96
            aload 0 /* node */
            iconst_0
            invokevirtual org.graalvm.compiler.nodes.memory.FixedAccessNode.setNullCheck:(Z)V
         3: .line 97
            aload 0 /* node */
            aconst_null
            invokevirtual org.graalvm.compiler.nodes.memory.FixedAccessNode.setStateBefore:(Lorg/graalvm/compiler/nodes/FrameState;)V
         4: .line 98
            aload 5 /* graph */
            aload 0 /* node */
            aload 6 /* preBarrier */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.addBeforeFixed:(Lorg/graalvm/compiler/nodes/FixedNode;Lorg/graalvm/compiler/nodes/FixedWithNextNode;)V
         5: .line 99
            return
        end local 6 // org.graalvm.compiler.hotspot.nodes.G1PreWriteBarrier preBarrier
        end local 5 // org.graalvm.compiler.nodes.StructuredGraph graph
        end local 4 // boolean nullCheck
        end local 3 // boolean doLoad
        end local 2 // org.graalvm.compiler.nodes.ValueNode value
        end local 1 // org.graalvm.compiler.nodes.memory.address.AddressNode address
        end local 0 // org.graalvm.compiler.nodes.memory.FixedAccessNode node
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    6     0        node  Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;
            0    6     1     address  Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            0    6     2       value  Lorg/graalvm/compiler/nodes/ValueNode;
            0    6     3      doLoad  Z
            0    6     4   nullCheck  Z
            0    6     5       graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            1    6     6  preBarrier  Lorg/graalvm/compiler/hotspot/nodes/G1PreWriteBarrier;
    MethodParameters:
           Name  Flags
      node       
      address    
      value      
      doLoad     
      nullCheck  
      graph      

  protected void addG1PostWriteBarrier(org.graalvm.compiler.nodes.memory.FixedAccessNode, org.graalvm.compiler.nodes.memory.address.AddressNode, org.graalvm.compiler.nodes.ValueNode, boolean, org.graalvm.compiler.nodes.StructuredGraph);
    descriptor: (Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Lorg/graalvm/compiler/nodes/ValueNode;ZLorg/graalvm/compiler/nodes/StructuredGraph;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=9, locals=7, args_size=6
        start local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
        start local 1 // org.graalvm.compiler.nodes.memory.FixedAccessNode node
        start local 2 // org.graalvm.compiler.nodes.memory.address.AddressNode address
        start local 3 // org.graalvm.compiler.nodes.ValueNode value
        start local 4 // boolean precise
        start local 5 // org.graalvm.compiler.nodes.StructuredGraph graph
         0: .line 102
            aload 3 /* value */
            invokestatic org.graalvm.compiler.nodes.type.StampTool.isPointerAlwaysNull:(Lorg/graalvm/compiler/nodes/ValueNode;)Z
            istore 6 /* alwaysNull */
        start local 6 // boolean alwaysNull
         1: .line 103
            aload 5 /* graph */
            aload 1 /* node */
            aload 5 /* graph */
            new org.graalvm.compiler.hotspot.nodes.G1PostWriteBarrier
            dup
            aload 2 /* address */
            aload 3 /* value */
            iload 4 /* precise */
            iload 6 /* alwaysNull */
            invokespecial org.graalvm.compiler.hotspot.nodes.G1PostWriteBarrier.<init>:(Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Lorg/graalvm/compiler/nodes/ValueNode;ZZ)V
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.add:(Lorg/graalvm/compiler/graph/Node;)Lorg/graalvm/compiler/graph/Node;
            checkcast org.graalvm.compiler.nodes.FixedNode
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.addAfterFixed:(Lorg/graalvm/compiler/nodes/FixedWithNextNode;Lorg/graalvm/compiler/nodes/FixedNode;)V
         2: .line 104
            return
        end local 6 // boolean alwaysNull
        end local 5 // org.graalvm.compiler.nodes.StructuredGraph graph
        end local 4 // boolean precise
        end local 3 // org.graalvm.compiler.nodes.ValueNode value
        end local 2 // org.graalvm.compiler.nodes.memory.address.AddressNode address
        end local 1 // org.graalvm.compiler.nodes.memory.FixedAccessNode node
        end local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    3     0        this  Lorg/graalvm/compiler/hotspot/phases/WriteBarrierAdditionPhase;
            0    3     1        node  Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;
            0    3     2     address  Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            0    3     3       value  Lorg/graalvm/compiler/nodes/ValueNode;
            0    3     4     precise  Z
            0    3     5       graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            1    3     6  alwaysNull  Z
    MethodParameters:
         Name  Flags
      node     
      address  
      value    
      precise  
      graph    

  protected void addSerialPostWriteBarrier(org.graalvm.compiler.nodes.memory.FixedAccessNode, org.graalvm.compiler.nodes.memory.address.AddressNode, org.graalvm.compiler.nodes.ValueNode, boolean, org.graalvm.compiler.nodes.StructuredGraph);
    descriptor: (Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Lorg/graalvm/compiler/nodes/ValueNode;ZLorg/graalvm/compiler/nodes/StructuredGraph;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=7, locals=7, args_size=6
        start local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
        start local 1 // org.graalvm.compiler.nodes.memory.FixedAccessNode node
        start local 2 // org.graalvm.compiler.nodes.memory.address.AddressNode address
        start local 3 // org.graalvm.compiler.nodes.ValueNode value
        start local 4 // boolean precise
        start local 5 // org.graalvm.compiler.nodes.StructuredGraph graph
         0: .line 107
            aload 3 /* value */
            invokestatic org.graalvm.compiler.nodes.type.StampTool.isPointerAlwaysNull:(Lorg/graalvm/compiler/nodes/ValueNode;)Z
            istore 6 /* alwaysNull */
        start local 6 // boolean alwaysNull
         1: .line 108
            iload 6 /* alwaysNull */
            ifeq 3
         2: .line 110
            return
         3: .line 112
      StackMap locals: int
      StackMap stack:
            aload 5 /* graph */
            aload 1 /* node */
            aload 5 /* graph */
            new org.graalvm.compiler.hotspot.nodes.SerialWriteBarrier
            dup
            aload 2 /* address */
            iload 4 /* precise */
            invokespecial org.graalvm.compiler.hotspot.nodes.SerialWriteBarrier.<init>:(Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Z)V
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.add:(Lorg/graalvm/compiler/graph/Node;)Lorg/graalvm/compiler/graph/Node;
            checkcast org.graalvm.compiler.nodes.FixedNode
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.addAfterFixed:(Lorg/graalvm/compiler/nodes/FixedWithNextNode;Lorg/graalvm/compiler/nodes/FixedNode;)V
         4: .line 113
            return
        end local 6 // boolean alwaysNull
        end local 5 // org.graalvm.compiler.nodes.StructuredGraph graph
        end local 4 // boolean precise
        end local 3 // org.graalvm.compiler.nodes.ValueNode value
        end local 2 // org.graalvm.compiler.nodes.memory.address.AddressNode address
        end local 1 // org.graalvm.compiler.nodes.memory.FixedAccessNode node
        end local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    5     0        this  Lorg/graalvm/compiler/hotspot/phases/WriteBarrierAdditionPhase;
            0    5     1        node  Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;
            0    5     2     address  Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            0    5     3       value  Lorg/graalvm/compiler/nodes/ValueNode;
            0    5     4     precise  Z
            0    5     5       graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            1    5     6  alwaysNull  Z
    MethodParameters:
         Name  Flags
      node     
      address  
      value    
      precise  
      graph    

  private void addWriteNodeBarriers(org.graalvm.compiler.nodes.memory.WriteNode, org.graalvm.compiler.nodes.StructuredGraph);
    descriptor: (Lorg/graalvm/compiler/nodes/memory/WriteNode;Lorg/graalvm/compiler/nodes/StructuredGraph;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=6, locals=5, args_size=3
        start local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
        start local 1 // org.graalvm.compiler.nodes.memory.WriteNode node
        start local 2 // org.graalvm.compiler.nodes.StructuredGraph graph
         0: .line 116
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.WriteNode.getBarrierType:()Lorg/graalvm/compiler/nodes/memory/HeapAccess$BarrierType;
            astore 3 /* barrierType */
        start local 3 // org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType barrierType
         1: .line 117
            invokestatic org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.$SWITCH_TABLE$org$graalvm$compiler$nodes$memory$HeapAccess$BarrierType:()[I
            aload 3 /* barrierType */
            invokevirtual org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType.ordinal:()I
            iaload
            tableswitch { // 1 - 3
                    1: 2
                    2: 3
                    3: 3
              default: 13
          }
         2: .line 120
      StackMap locals: org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType
      StackMap stack:
            goto 14
         3: .line 123
      StackMap locals:
      StackMap stack:
            aload 3 /* barrierType */
            getstatic org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType.PRECISE:Lorg/graalvm/compiler/nodes/memory/HeapAccess$BarrierType;
            if_acmpne 4
            iconst_1
            goto 5
      StackMap locals:
      StackMap stack:
         4: iconst_0
      StackMap locals:
      StackMap stack: int
         5: istore 4 /* precise */
        start local 4 // boolean precise
         6: .line 124
            aload 0 /* this */
            getfield org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.config:Lorg/graalvm/compiler/hotspot/GraalHotSpotVMConfig;
            getfield org.graalvm.compiler.hotspot.GraalHotSpotVMConfig.useG1GC:Z
            ifeq 11
         7: .line 125
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.WriteNode.getLocationIdentity:()Ljdk/internal/vm/compiler/word/LocationIdentity;
            invokevirtual jdk.internal.vm.compiler.word.LocationIdentity.isInit:()Z
            ifne 9
         8: .line 128
            aload 1 /* node */
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.WriteNode.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            aconst_null
            iconst_1
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.WriteNode.getNullCheck:()Z
            aload 2 /* graph */
            invokestatic org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.addG1PreWriteBarrier:(Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Lorg/graalvm/compiler/nodes/ValueNode;ZZLorg/graalvm/compiler/nodes/StructuredGraph;)V
         9: .line 130
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            aload 1 /* node */
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.WriteNode.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.WriteNode.value:()Lorg/graalvm/compiler/nodes/ValueNode;
            iload 4 /* precise */
            aload 2 /* graph */
            invokevirtual org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.addG1PostWriteBarrier:(Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Lorg/graalvm/compiler/nodes/ValueNode;ZLorg/graalvm/compiler/nodes/StructuredGraph;)V
        10: .line 131
            goto 14
        11: .line 132
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* node */
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.WriteNode.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.WriteNode.value:()Lorg/graalvm/compiler/nodes/ValueNode;
            iload 4 /* precise */
            aload 2 /* graph */
            invokevirtual org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.addSerialPostWriteBarrier:(Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Lorg/graalvm/compiler/nodes/ValueNode;ZLorg/graalvm/compiler/nodes/StructuredGraph;)V
        12: .line 134
            goto 14
        end local 4 // boolean precise
        13: .line 136
      StackMap locals:
      StackMap stack:
            new org.graalvm.compiler.debug.GraalError
            dup
            new java.lang.StringBuilder
            dup
            ldc "unexpected barrier type: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 3 /* barrierType */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial org.graalvm.compiler.debug.GraalError.<init>:(Ljava/lang/String;)V
            athrow
        14: .line 138
      StackMap locals:
      StackMap stack:
            return
        end local 3 // org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType barrierType
        end local 2 // org.graalvm.compiler.nodes.StructuredGraph graph
        end local 1 // org.graalvm.compiler.nodes.memory.WriteNode node
        end local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   15     0         this  Lorg/graalvm/compiler/hotspot/phases/WriteBarrierAdditionPhase;
            0   15     1         node  Lorg/graalvm/compiler/nodes/memory/WriteNode;
            0   15     2        graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            1   15     3  barrierType  Lorg/graalvm/compiler/nodes/memory/HeapAccess$BarrierType;
            6   13     4      precise  Z
    MethodParameters:
       Name  Flags
      node   
      graph  

  private void addAtomicReadWriteNodeBarriers(org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode, org.graalvm.compiler.nodes.StructuredGraph);
    descriptor: (Lorg/graalvm/compiler/nodes/java/LoweredAtomicReadAndWriteNode;Lorg/graalvm/compiler/nodes/StructuredGraph;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=6, locals=5, args_size=3
        start local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
        start local 1 // org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode node
        start local 2 // org.graalvm.compiler.nodes.StructuredGraph graph
         0: .line 141
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode.getBarrierType:()Lorg/graalvm/compiler/nodes/memory/HeapAccess$BarrierType;
            astore 3 /* barrierType */
        start local 3 // org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType barrierType
         1: .line 142
            invokestatic org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.$SWITCH_TABLE$org$graalvm$compiler$nodes$memory$HeapAccess$BarrierType:()[I
            aload 3 /* barrierType */
            invokevirtual org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType.ordinal:()I
            iaload
            tableswitch { // 1 - 3
                    1: 2
                    2: 3
                    3: 3
              default: 12
          }
         2: .line 145
      StackMap locals: org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType
      StackMap stack:
            goto 13
         3: .line 148
      StackMap locals:
      StackMap stack:
            aload 3 /* barrierType */
            getstatic org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType.PRECISE:Lorg/graalvm/compiler/nodes/memory/HeapAccess$BarrierType;
            if_acmpne 4
            iconst_1
            goto 5
      StackMap locals:
      StackMap stack:
         4: iconst_0
      StackMap locals:
      StackMap stack: int
         5: istore 4 /* precise */
        start local 4 // boolean precise
         6: .line 149
            aload 0 /* this */
            getfield org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.config:Lorg/graalvm/compiler/hotspot/GraalHotSpotVMConfig;
            getfield org.graalvm.compiler.hotspot.GraalHotSpotVMConfig.useG1GC:Z
            ifeq 10
         7: .line 150
            aload 1 /* node */
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            aconst_null
            iconst_1
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode.getNullCheck:()Z
            aload 2 /* graph */
            invokestatic org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.addG1PreWriteBarrier:(Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Lorg/graalvm/compiler/nodes/ValueNode;ZZLorg/graalvm/compiler/nodes/StructuredGraph;)V
         8: .line 151
            aload 0 /* this */
            aload 1 /* node */
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode.getNewValue:()Lorg/graalvm/compiler/nodes/ValueNode;
            iload 4 /* precise */
            aload 2 /* graph */
            invokevirtual org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.addG1PostWriteBarrier:(Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Lorg/graalvm/compiler/nodes/ValueNode;ZLorg/graalvm/compiler/nodes/StructuredGraph;)V
         9: .line 152
            goto 13
        10: .line 153
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            aload 1 /* node */
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode.getNewValue:()Lorg/graalvm/compiler/nodes/ValueNode;
            iload 4 /* precise */
            aload 2 /* graph */
            invokevirtual org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.addSerialPostWriteBarrier:(Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Lorg/graalvm/compiler/nodes/ValueNode;ZLorg/graalvm/compiler/nodes/StructuredGraph;)V
        11: .line 155
            goto 13
        end local 4 // boolean precise
        12: .line 157
      StackMap locals:
      StackMap stack:
            new org.graalvm.compiler.debug.GraalError
            dup
            new java.lang.StringBuilder
            dup
            ldc "unexpected barrier type: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 3 /* barrierType */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial org.graalvm.compiler.debug.GraalError.<init>:(Ljava/lang/String;)V
            athrow
        13: .line 159
      StackMap locals:
      StackMap stack:
            return
        end local 3 // org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType barrierType
        end local 2 // org.graalvm.compiler.nodes.StructuredGraph graph
        end local 1 // org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode node
        end local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   14     0         this  Lorg/graalvm/compiler/hotspot/phases/WriteBarrierAdditionPhase;
            0   14     1         node  Lorg/graalvm/compiler/nodes/java/LoweredAtomicReadAndWriteNode;
            0   14     2        graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            1   14     3  barrierType  Lorg/graalvm/compiler/nodes/memory/HeapAccess$BarrierType;
            6   12     4      precise  Z
    MethodParameters:
       Name  Flags
      node   
      graph  

  private void addCASBarriers(org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode, org.graalvm.compiler.nodes.StructuredGraph);
    descriptor: (Lorg/graalvm/compiler/nodes/java/AbstractCompareAndSwapNode;Lorg/graalvm/compiler/nodes/StructuredGraph;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=6, locals=5, args_size=3
        start local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
        start local 1 // org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode node
        start local 2 // org.graalvm.compiler.nodes.StructuredGraph graph
         0: .line 162
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode.getBarrierType:()Lorg/graalvm/compiler/nodes/memory/HeapAccess$BarrierType;
            astore 3 /* barrierType */
        start local 3 // org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType barrierType
         1: .line 163
            invokestatic org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.$SWITCH_TABLE$org$graalvm$compiler$nodes$memory$HeapAccess$BarrierType:()[I
            aload 3 /* barrierType */
            invokevirtual org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType.ordinal:()I
            iaload
            tableswitch { // 1 - 3
                    1: 2
                    2: 3
                    3: 3
              default: 12
          }
         2: .line 166
      StackMap locals: org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType
      StackMap stack:
            goto 13
         3: .line 169
      StackMap locals:
      StackMap stack:
            aload 3 /* barrierType */
            getstatic org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType.PRECISE:Lorg/graalvm/compiler/nodes/memory/HeapAccess$BarrierType;
            if_acmpne 4
            iconst_1
            goto 5
      StackMap locals:
      StackMap stack:
         4: iconst_0
      StackMap locals:
      StackMap stack: int
         5: istore 4 /* precise */
        start local 4 // boolean precise
         6: .line 170
            aload 0 /* this */
            getfield org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.config:Lorg/graalvm/compiler/hotspot/GraalHotSpotVMConfig;
            getfield org.graalvm.compiler.hotspot.GraalHotSpotVMConfig.useG1GC:Z
            ifeq 10
         7: .line 171
            aload 1 /* node */
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode.getExpectedValue:()Lorg/graalvm/compiler/nodes/ValueNode;
            iconst_0
            iconst_0
            aload 2 /* graph */
            invokestatic org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.addG1PreWriteBarrier:(Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Lorg/graalvm/compiler/nodes/ValueNode;ZZLorg/graalvm/compiler/nodes/StructuredGraph;)V
         8: .line 172
            aload 0 /* this */
            aload 1 /* node */
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode.getNewValue:()Lorg/graalvm/compiler/nodes/ValueNode;
            iload 4 /* precise */
            aload 2 /* graph */
            invokevirtual org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.addG1PostWriteBarrier:(Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Lorg/graalvm/compiler/nodes/ValueNode;ZLorg/graalvm/compiler/nodes/StructuredGraph;)V
         9: .line 173
            goto 13
        10: .line 174
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            aload 1 /* node */
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode.getNewValue:()Lorg/graalvm/compiler/nodes/ValueNode;
            iload 4 /* precise */
            aload 2 /* graph */
            invokevirtual org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.addSerialPostWriteBarrier:(Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Lorg/graalvm/compiler/nodes/ValueNode;ZLorg/graalvm/compiler/nodes/StructuredGraph;)V
        11: .line 176
            goto 13
        end local 4 // boolean precise
        12: .line 178
      StackMap locals:
      StackMap stack:
            new org.graalvm.compiler.debug.GraalError
            dup
            new java.lang.StringBuilder
            dup
            ldc "unexpected barrier type: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 3 /* barrierType */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial org.graalvm.compiler.debug.GraalError.<init>:(Ljava/lang/String;)V
            athrow
        13: .line 180
      StackMap locals:
      StackMap stack:
            return
        end local 3 // org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType barrierType
        end local 2 // org.graalvm.compiler.nodes.StructuredGraph graph
        end local 1 // org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode node
        end local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   14     0         this  Lorg/graalvm/compiler/hotspot/phases/WriteBarrierAdditionPhase;
            0   14     1         node  Lorg/graalvm/compiler/nodes/java/AbstractCompareAndSwapNode;
            0   14     2        graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            1   14     3  barrierType  Lorg/graalvm/compiler/nodes/memory/HeapAccess$BarrierType;
            6   12     4      precise  Z
    MethodParameters:
       Name  Flags
      node   
      graph  

  private void addArrayRangeBarriers(org.graalvm.compiler.nodes.extended.ArrayRangeWrite, org.graalvm.compiler.nodes.StructuredGraph);
    descriptor: (Lorg/graalvm/compiler/nodes/extended/ArrayRangeWrite;Lorg/graalvm/compiler/nodes/StructuredGraph;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=6, locals=4, args_size=3
        start local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
        start local 1 // org.graalvm.compiler.nodes.extended.ArrayRangeWrite write
        start local 2 // org.graalvm.compiler.nodes.StructuredGraph graph
         0: .line 183
            aload 0 /* this */
            getfield org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.config:Lorg/graalvm/compiler/hotspot/GraalHotSpotVMConfig;
            getfield org.graalvm.compiler.hotspot.GraalHotSpotVMConfig.useG1GC:Z
            ifeq 7
         1: .line 184
            aload 1 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.isInitialization:()Z
            ifne 4
         2: .line 187
            aload 2 /* graph */
            new org.graalvm.compiler.hotspot.nodes.G1ArrayRangePreWriteBarrier
            dup
            aload 1 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            aload 1 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.getLength:()Lorg/graalvm/compiler/nodes/ValueNode;
            aload 1 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.getElementStride:()I
            invokespecial org.graalvm.compiler.hotspot.nodes.G1ArrayRangePreWriteBarrier.<init>:(Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Lorg/graalvm/compiler/nodes/ValueNode;I)V
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.add:(Lorg/graalvm/compiler/graph/Node;)Lorg/graalvm/compiler/graph/Node;
            checkcast org.graalvm.compiler.hotspot.nodes.G1ArrayRangePreWriteBarrier
            astore 3 /* g1ArrayRangePreWriteBarrier */
        start local 3 // org.graalvm.compiler.hotspot.nodes.G1ArrayRangePreWriteBarrier g1ArrayRangePreWriteBarrier
         3: .line 188
            aload 2 /* graph */
            aload 1 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.asNode:()Lorg/graalvm/compiler/nodes/FixedWithNextNode;
            aload 3 /* g1ArrayRangePreWriteBarrier */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.addBeforeFixed:(Lorg/graalvm/compiler/nodes/FixedNode;Lorg/graalvm/compiler/nodes/FixedWithNextNode;)V
        end local 3 // org.graalvm.compiler.hotspot.nodes.G1ArrayRangePreWriteBarrier g1ArrayRangePreWriteBarrier
         4: .line 190
      StackMap locals:
      StackMap stack:
            aload 2 /* graph */
            new org.graalvm.compiler.hotspot.nodes.G1ArrayRangePostWriteBarrier
            dup
            aload 1 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            aload 1 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.getLength:()Lorg/graalvm/compiler/nodes/ValueNode;
            aload 1 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.getElementStride:()I
            invokespecial org.graalvm.compiler.hotspot.nodes.G1ArrayRangePostWriteBarrier.<init>:(Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Lorg/graalvm/compiler/nodes/ValueNode;I)V
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.add:(Lorg/graalvm/compiler/graph/Node;)Lorg/graalvm/compiler/graph/Node;
            checkcast org.graalvm.compiler.hotspot.nodes.G1ArrayRangePostWriteBarrier
            astore 3 /* g1ArrayRangePostWriteBarrier */
        start local 3 // org.graalvm.compiler.hotspot.nodes.G1ArrayRangePostWriteBarrier g1ArrayRangePostWriteBarrier
         5: .line 191
            aload 2 /* graph */
            aload 1 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.asNode:()Lorg/graalvm/compiler/nodes/FixedWithNextNode;
            aload 3 /* g1ArrayRangePostWriteBarrier */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.addAfterFixed:(Lorg/graalvm/compiler/nodes/FixedWithNextNode;Lorg/graalvm/compiler/nodes/FixedNode;)V
        end local 3 // org.graalvm.compiler.hotspot.nodes.G1ArrayRangePostWriteBarrier g1ArrayRangePostWriteBarrier
         6: .line 192
            goto 9
         7: .line 193
      StackMap locals:
      StackMap stack:
            aload 2 /* graph */
            new org.graalvm.compiler.hotspot.nodes.SerialArrayRangeWriteBarrier
            dup
            aload 1 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            aload 1 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.getLength:()Lorg/graalvm/compiler/nodes/ValueNode;
            aload 1 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.getElementStride:()I
            invokespecial org.graalvm.compiler.hotspot.nodes.SerialArrayRangeWriteBarrier.<init>:(Lorg/graalvm/compiler/nodes/memory/address/AddressNode;Lorg/graalvm/compiler/nodes/ValueNode;I)V
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.add:(Lorg/graalvm/compiler/graph/Node;)Lorg/graalvm/compiler/graph/Node;
            checkcast org.graalvm.compiler.hotspot.nodes.SerialArrayRangeWriteBarrier
            astore 3 /* serialArrayRangeWriteBarrier */
        start local 3 // org.graalvm.compiler.hotspot.nodes.SerialArrayRangeWriteBarrier serialArrayRangeWriteBarrier
         8: .line 194
            aload 2 /* graph */
            aload 1 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.asNode:()Lorg/graalvm/compiler/nodes/FixedWithNextNode;
            aload 3 /* serialArrayRangeWriteBarrier */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.addAfterFixed:(Lorg/graalvm/compiler/nodes/FixedWithNextNode;Lorg/graalvm/compiler/nodes/FixedNode;)V
        end local 3 // org.graalvm.compiler.hotspot.nodes.SerialArrayRangeWriteBarrier serialArrayRangeWriteBarrier
         9: .line 196
      StackMap locals:
      StackMap stack:
            return
        end local 2 // org.graalvm.compiler.nodes.StructuredGraph graph
        end local 1 // org.graalvm.compiler.nodes.extended.ArrayRangeWrite write
        end local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
      LocalVariableTable:
        Start  End  Slot                          Name  Signature
            0   10     0                          this  Lorg/graalvm/compiler/hotspot/phases/WriteBarrierAdditionPhase;
            0   10     1                         write  Lorg/graalvm/compiler/nodes/extended/ArrayRangeWrite;
            0   10     2                         graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            3    4     3   g1ArrayRangePreWriteBarrier  Lorg/graalvm/compiler/hotspot/nodes/G1ArrayRangePreWriteBarrier;
            5    6     3  g1ArrayRangePostWriteBarrier  Lorg/graalvm/compiler/hotspot/nodes/G1ArrayRangePostWriteBarrier;
            8    9     3  serialArrayRangeWriteBarrier  Lorg/graalvm/compiler/hotspot/nodes/SerialArrayRangeWriteBarrier;
    MethodParameters:
       Name  Flags
      write  
      graph  

  public boolean checkContract();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
         0: .line 200
            iconst_0
            ireturn
        end local 0 // org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/compiler/hotspot/phases/WriteBarrierAdditionPhase;

  static int[] $SWITCH_TABLE$org$graalvm$compiler$nodes$memory$HeapAccess$BarrierType();
    descriptor: ()[I
    flags: (0x1008) ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=3, locals=1, args_size=0
         0: .line 51
            getstatic org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.$SWITCH_TABLE$org$graalvm$compiler$nodes$memory$HeapAccess$BarrierType:[I
            dup
            ifnull 1
            areturn
      StackMap locals:
      StackMap stack: int[]
         1: pop
            invokestatic org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType.values:()[Lorg/graalvm/compiler/nodes/memory/HeapAccess$BarrierType;
            arraylength
            newarray 10
            astore 0
         2: aload 0
            getstatic org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType.IMPRECISE:Lorg/graalvm/compiler/nodes/memory/HeapAccess$BarrierType;
            invokevirtual org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType.ordinal:()I
            iconst_3
            iastore
         3: goto 5
      StackMap locals: int[]
      StackMap stack: java.lang.NoSuchFieldError
         4: pop
      StackMap locals:
      StackMap stack:
         5: aload 0
            getstatic org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType.NONE:Lorg/graalvm/compiler/nodes/memory/HeapAccess$BarrierType;
            invokevirtual org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType.ordinal:()I
            iconst_1
            iastore
         6: goto 8
      StackMap locals:
      StackMap stack: java.lang.NoSuchFieldError
         7: pop
      StackMap locals:
      StackMap stack:
         8: aload 0
            getstatic org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType.PRECISE:Lorg/graalvm/compiler/nodes/memory/HeapAccess$BarrierType;
            invokevirtual org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType.ordinal:()I
            iconst_2
            iastore
         9: goto 11
      StackMap locals:
      StackMap stack: java.lang.NoSuchFieldError
        10: pop
      StackMap locals:
      StackMap stack:
        11: aload 0
            dup
            putstatic org.graalvm.compiler.hotspot.phases.WriteBarrierAdditionPhase.$SWITCH_TABLE$org$graalvm$compiler$nodes$memory$HeapAccess$BarrierType:[I
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
      Exception table:
        from    to  target  type
           2     3       4  Class java.lang.NoSuchFieldError
           5     6       7  Class java.lang.NoSuchFieldError
           8     9      10  Class java.lang.NoSuchFieldError
}
SourceFile: "WriteBarrierAdditionPhase.java"
InnerClasses:
  public final BarrierType = org.graalvm.compiler.nodes.memory.HeapAccess$BarrierType of org.graalvm.compiler.nodes.memory.HeapAccess
/

java/ 12/ jdk.internal.vm.compiler/org/graalvm/compiler/hotspot/phases/WriteBarrierAdditionPhase.class
