java/15 : jdk.internal.vm.compiler/org/graalvm/compiler/nodes/gc/G1BarrierSet.class

G1BarrierSet
https://openjdk.java.net/
GPLv2 + Classpath Exception
public class org.graalvm.compiler.nodes.gc.G1BarrierSet implements org.graalvm.compiler.nodes.gc.BarrierSet
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.graalvm.compiler.nodes.gc.G1BarrierSet
  super_class: java.lang.Object
{
  private final jdk.vm.ci.meta.ResolvedJavaType objectArrayType;
    descriptor: Ljdk/vm/ci/meta/ResolvedJavaType;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final jdk.vm.ci.meta.ResolvedJavaField referentField;
    descriptor: Ljdk/vm/ci/meta/ResolvedJavaField;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  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$OnHeapMemoryAccess$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 49
            ldc Lorg/graalvm/compiler/nodes/gc/G1BarrierSet;
            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.nodes.gc.G1BarrierSet.$assertionsDisabled:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(jdk.vm.ci.meta.ResolvedJavaType, jdk.vm.ci.meta.ResolvedJavaField);
    descriptor: (Ljdk/vm/ci/meta/ResolvedJavaType;Ljdk/vm/ci/meta/ResolvedJavaField;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
        start local 1 // jdk.vm.ci.meta.ResolvedJavaType objectArrayType
        start local 2 // jdk.vm.ci.meta.ResolvedJavaField referentField
         0: .line 53
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 54
            aload 0 /* this */
            aload 1 /* objectArrayType */
            putfield org.graalvm.compiler.nodes.gc.G1BarrierSet.objectArrayType:Ljdk/vm/ci/meta/ResolvedJavaType;
         2: .line 55
            aload 0 /* this */
            aload 2 /* referentField */
            putfield org.graalvm.compiler.nodes.gc.G1BarrierSet.referentField:Ljdk/vm/ci/meta/ResolvedJavaField;
         3: .line 56
            return
        end local 2 // jdk.vm.ci.meta.ResolvedJavaField referentField
        end local 1 // jdk.vm.ci.meta.ResolvedJavaType objectArrayType
        end local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    4     0             this  Lorg/graalvm/compiler/nodes/gc/G1BarrierSet;
            0    4     1  objectArrayType  Ljdk/vm/ci/meta/ResolvedJavaType;
            0    4     2    referentField  Ljdk/vm/ci/meta/ResolvedJavaField;
    MethodParameters:
                 Name  Flags
      objectArrayType  
      referentField    

  public org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType readBarrierType(org.graalvm.compiler.nodes.extended.RawLoadNode);
    descriptor: (Lorg/graalvm/compiler/nodes/extended/RawLoadNode;)Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=6, args_size=2
        start local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
        start local 1 // org.graalvm.compiler.nodes.extended.RawLoadNode load
         0: .line 60
            aload 1 /* load */
            invokevirtual org.graalvm.compiler.nodes.extended.RawLoadNode.object:()Lorg/graalvm/compiler/nodes/ValueNode;
            invokevirtual org.graalvm.compiler.nodes.ValueNode.getStackKind:()Ljdk/vm/ci/meta/JavaKind;
            getstatic jdk.vm.ci.meta.JavaKind.Object:Ljdk/vm/ci/meta/JavaKind;
            if_acmpne 15
         1: .line 61
            aload 1 /* load */
            invokevirtual org.graalvm.compiler.nodes.extended.RawLoadNode.accessKind:()Ljdk/vm/ci/meta/JavaKind;
            getstatic jdk.vm.ci.meta.JavaKind.Object:Ljdk/vm/ci/meta/JavaKind;
            if_acmpne 15
         2: .line 62
            aload 1 /* load */
            invokevirtual org.graalvm.compiler.nodes.extended.RawLoadNode.object:()Lorg/graalvm/compiler/nodes/ValueNode;
            invokestatic org.graalvm.compiler.nodes.type.StampTool.isPointerAlwaysNull:(Lorg/graalvm/compiler/nodes/ValueNode;)Z
            ifne 15
         3: .line 63
            aload 0 /* this */
            getfield org.graalvm.compiler.nodes.gc.G1BarrierSet.referentField:Ljdk/vm/ci/meta/ResolvedJavaField;
            invokeinterface jdk.vm.ci.meta.ResolvedJavaField.getOffset:()I
            i2l
            lstore 2 /* referentOffset */
        start local 2 // long referentOffset
         4: .line 64
            getstatic org.graalvm.compiler.nodes.gc.G1BarrierSet.$assertionsDisabled:Z
            ifne 5
            lload 2 /* referentOffset */
            lconst_0
            lcmp
            ifgt 5
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         5: .line 66
      StackMap locals: long
      StackMap stack:
            aload 1 /* load */
            invokevirtual org.graalvm.compiler.nodes.extended.RawLoadNode.offset:()Lorg/graalvm/compiler/nodes/ValueNode;
            invokevirtual org.graalvm.compiler.nodes.ValueNode.isJavaConstant:()Z
            ifeq 7
            lload 2 /* referentOffset */
            aload 1 /* load */
            invokevirtual org.graalvm.compiler.nodes.extended.RawLoadNode.offset:()Lorg/graalvm/compiler/nodes/ValueNode;
            invokevirtual org.graalvm.compiler.nodes.ValueNode.asJavaConstant:()Ljdk/vm/ci/meta/JavaConstant;
            invokeinterface jdk.vm.ci.meta.JavaConstant.asLong:()J
            lcmp
            ifeq 7
         6: .line 68
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.NONE:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            areturn
         7: .line 70
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.graalvm.compiler.nodes.gc.G1BarrierSet.referentField:Ljdk/vm/ci/meta/ResolvedJavaField;
            invokeinterface jdk.vm.ci.meta.ResolvedJavaField.getDeclaringClass:()Ljdk/vm/ci/meta/ResolvedJavaType;
            astore 4 /* referenceType */
        start local 4 // jdk.vm.ci.meta.ResolvedJavaType referenceType
         8: .line 71
            aload 1 /* load */
            invokevirtual org.graalvm.compiler.nodes.extended.RawLoadNode.object:()Lorg/graalvm/compiler/nodes/ValueNode;
            invokestatic org.graalvm.compiler.nodes.type.StampTool.typeOrNull:(Lorg/graalvm/compiler/nodes/ValueNode;)Ljdk/vm/ci/meta/ResolvedJavaType;
            astore 5 /* type */
        start local 5 // jdk.vm.ci.meta.ResolvedJavaType type
         9: .line 72
            aload 5 /* type */
            ifnull 13
            aload 4 /* referenceType */
            aload 5 /* type */
            invokeinterface jdk.vm.ci.meta.ResolvedJavaType.isAssignableFrom:(Ljdk/vm/ci/meta/ResolvedJavaType;)Z
            ifeq 13
        10: .line 74
            aload 1 /* load */
            invokevirtual org.graalvm.compiler.nodes.extended.RawLoadNode.offset:()Lorg/graalvm/compiler/nodes/ValueNode;
            invokevirtual org.graalvm.compiler.nodes.ValueNode.isJavaConstant:()Z
            ifeq 12
            lload 2 /* referentOffset */
            aload 1 /* load */
            invokevirtual org.graalvm.compiler.nodes.extended.RawLoadNode.offset:()Lorg/graalvm/compiler/nodes/ValueNode;
            invokevirtual org.graalvm.compiler.nodes.ValueNode.asJavaConstant:()Ljdk/vm/ci/meta/JavaConstant;
            invokeinterface jdk.vm.ci.meta.JavaConstant.asLong:()J
            lcmp
            ifne 12
        11: .line 76
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.WEAK_FIELD:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            areturn
        12: .line 79
      StackMap locals: jdk.vm.ci.meta.ResolvedJavaType jdk.vm.ci.meta.ResolvedJavaType
      StackMap stack:
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.MAYBE_WEAK_FIELD:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            areturn
        13: .line 81
      StackMap locals:
      StackMap stack:
            aload 5 /* type */
            ifnull 14
            aload 5 /* type */
            aload 4 /* referenceType */
            invokeinterface jdk.vm.ci.meta.ResolvedJavaType.isAssignableFrom:(Ljdk/vm/ci/meta/ResolvedJavaType;)Z
            ifeq 15
        14: .line 84
      StackMap locals:
      StackMap stack:
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.MAYBE_WEAK_FIELD:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            areturn
        end local 5 // jdk.vm.ci.meta.ResolvedJavaType type
        end local 4 // jdk.vm.ci.meta.ResolvedJavaType referenceType
        end local 2 // long referentOffset
        15: .line 87
      StackMap locals:
      StackMap stack:
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.NONE:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            areturn
        end local 1 // org.graalvm.compiler.nodes.extended.RawLoadNode load
        end local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   16     0            this  Lorg/graalvm/compiler/nodes/gc/G1BarrierSet;
            0   16     1            load  Lorg/graalvm/compiler/nodes/extended/RawLoadNode;
            4   15     2  referentOffset  J
            8   15     4   referenceType  Ljdk/vm/ci/meta/ResolvedJavaType;
            9   15     5            type  Ljdk/vm/ci/meta/ResolvedJavaType;
    MethodParameters:
      Name  Flags
      load  

  public org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType storeBarrierType(org.graalvm.compiler.nodes.extended.RawStoreNode);
    descriptor: (Lorg/graalvm/compiler/nodes/extended/RawStoreNode;)Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
        start local 1 // org.graalvm.compiler.nodes.extended.RawStoreNode store
         0: .line 92
            aload 1 /* store */
            invokevirtual org.graalvm.compiler.nodes.extended.RawStoreNode.needsBarrier:()Z
            ifeq 1
            aload 0 /* this */
            aload 1 /* store */
            invokevirtual org.graalvm.compiler.nodes.extended.RawStoreNode.object:()Lorg/graalvm/compiler/nodes/ValueNode;
            aload 1 /* store */
            invokevirtual org.graalvm.compiler.nodes.extended.RawStoreNode.value:()Lorg/graalvm/compiler/nodes/ValueNode;
            invokevirtual org.graalvm.compiler.nodes.gc.G1BarrierSet.guessStoreBarrierType:(Lorg/graalvm/compiler/nodes/ValueNode;Lorg/graalvm/compiler/nodes/ValueNode;)Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            goto 2
      StackMap locals:
      StackMap stack:
         1: getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.NONE:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
      StackMap locals:
      StackMap stack: org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType
         2: areturn
        end local 1 // org.graalvm.compiler.nodes.extended.RawStoreNode store
        end local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0   this  Lorg/graalvm/compiler/nodes/gc/G1BarrierSet;
            0    3     1  store  Lorg/graalvm/compiler/nodes/extended/RawStoreNode;
    MethodParameters:
       Name  Flags
      store  

  public org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType fieldLoadBarrierType(jdk.vm.ci.meta.ResolvedJavaField, jdk.vm.ci.meta.JavaKind);
    descriptor: (Ljdk/vm/ci/meta/ResolvedJavaField;Ljdk/vm/ci/meta/JavaKind;)Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
        start local 1 // jdk.vm.ci.meta.ResolvedJavaField field
        start local 2 // jdk.vm.ci.meta.JavaKind storageKind
         0: .line 97
            aload 1 /* field */
            invokeinterface jdk.vm.ci.meta.ResolvedJavaField.getJavaKind:()Ljdk/vm/ci/meta/JavaKind;
            getstatic jdk.vm.ci.meta.JavaKind.Object:Ljdk/vm/ci/meta/JavaKind;
            if_acmpne 2
            aload 1 /* field */
            aload 0 /* this */
            getfield org.graalvm.compiler.nodes.gc.G1BarrierSet.referentField:Ljdk/vm/ci/meta/ResolvedJavaField;
            invokevirtual java.lang.Object.equals:(Ljava/lang/Object;)Z
            ifeq 2
         1: .line 98
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.WEAK_FIELD:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            areturn
         2: .line 100
      StackMap locals:
      StackMap stack:
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.NONE:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            areturn
        end local 2 // jdk.vm.ci.meta.JavaKind storageKind
        end local 1 // jdk.vm.ci.meta.ResolvedJavaField field
        end local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    3     0         this  Lorg/graalvm/compiler/nodes/gc/G1BarrierSet;
            0    3     1        field  Ljdk/vm/ci/meta/ResolvedJavaField;
            0    3     2  storageKind  Ljdk/vm/ci/meta/JavaKind;
    MethodParameters:
             Name  Flags
      field        
      storageKind  

  public org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType fieldStoreBarrierType(jdk.vm.ci.meta.ResolvedJavaField, jdk.vm.ci.meta.JavaKind);
    descriptor: (Ljdk/vm/ci/meta/ResolvedJavaField;Ljdk/vm/ci/meta/JavaKind;)Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
        start local 1 // jdk.vm.ci.meta.ResolvedJavaField field
        start local 2 // jdk.vm.ci.meta.JavaKind storageKind
         0: .line 105
            aload 2 /* storageKind */
            getstatic jdk.vm.ci.meta.JavaKind.Object:Ljdk/vm/ci/meta/JavaKind;
            if_acmpne 1
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.FIELD:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            goto 2
      StackMap locals:
      StackMap stack:
         1: getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.NONE:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
      StackMap locals:
      StackMap stack: org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType
         2: areturn
        end local 2 // jdk.vm.ci.meta.JavaKind storageKind
        end local 1 // jdk.vm.ci.meta.ResolvedJavaField field
        end local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    3     0         this  Lorg/graalvm/compiler/nodes/gc/G1BarrierSet;
            0    3     1        field  Ljdk/vm/ci/meta/ResolvedJavaField;
            0    3     2  storageKind  Ljdk/vm/ci/meta/JavaKind;
    MethodParameters:
             Name  Flags
      field        
      storageKind  

  public org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType arrayStoreBarrierType(jdk.vm.ci.meta.JavaKind);
    descriptor: (Ljdk/vm/ci/meta/JavaKind;)Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
        start local 1 // jdk.vm.ci.meta.JavaKind storageKind
         0: .line 110
            aload 1 /* storageKind */
            getstatic jdk.vm.ci.meta.JavaKind.Object:Ljdk/vm/ci/meta/JavaKind;
            if_acmpne 1
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.ARRAY:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            goto 2
      StackMap locals:
      StackMap stack:
         1: getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.NONE:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
      StackMap locals:
      StackMap stack: org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType
         2: areturn
        end local 1 // jdk.vm.ci.meta.JavaKind storageKind
        end local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    3     0         this  Lorg/graalvm/compiler/nodes/gc/G1BarrierSet;
            0    3     1  storageKind  Ljdk/vm/ci/meta/JavaKind;
    MethodParameters:
             Name  Flags
      storageKind  

  public org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType guessStoreBarrierType(org.graalvm.compiler.nodes.ValueNode, org.graalvm.compiler.nodes.ValueNode);
    descriptor: (Lorg/graalvm/compiler/nodes/ValueNode;Lorg/graalvm/compiler/nodes/ValueNode;)Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=3
        start local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
        start local 1 // org.graalvm.compiler.nodes.ValueNode object
        start local 2 // org.graalvm.compiler.nodes.ValueNode value
         0: .line 115
            aload 2 /* value */
            invokevirtual org.graalvm.compiler.nodes.ValueNode.getStackKind:()Ljdk/vm/ci/meta/JavaKind;
            getstatic jdk.vm.ci.meta.JavaKind.Object:Ljdk/vm/ci/meta/JavaKind;
            if_acmpne 7
            aload 1 /* object */
            invokevirtual org.graalvm.compiler.nodes.ValueNode.getStackKind:()Ljdk/vm/ci/meta/JavaKind;
            getstatic jdk.vm.ci.meta.JavaKind.Object:Ljdk/vm/ci/meta/JavaKind;
            if_acmpne 7
         1: .line 116
            aload 1 /* object */
            invokestatic org.graalvm.compiler.nodes.type.StampTool.typeOrNull:(Lorg/graalvm/compiler/nodes/ValueNode;)Ljdk/vm/ci/meta/ResolvedJavaType;
            astore 3 /* type */
        start local 3 // jdk.vm.ci.meta.ResolvedJavaType type
         2: .line 117
            aload 3 /* type */
            ifnull 4
            aload 3 /* type */
            invokeinterface jdk.vm.ci.meta.ResolvedJavaType.isArray:()Z
            ifeq 4
         3: .line 118
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.ARRAY:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            areturn
         4: .line 119
      StackMap locals: jdk.vm.ci.meta.ResolvedJavaType
      StackMap stack:
            aload 3 /* type */
            ifnull 5
            aload 3 /* type */
            aload 0 /* this */
            getfield org.graalvm.compiler.nodes.gc.G1BarrierSet.objectArrayType:Ljdk/vm/ci/meta/ResolvedJavaType;
            invokeinterface jdk.vm.ci.meta.ResolvedJavaType.isAssignableFrom:(Ljdk/vm/ci/meta/ResolvedJavaType;)Z
            ifeq 6
         5: .line 120
      StackMap locals:
      StackMap stack:
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.UNKNOWN:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            areturn
         6: .line 122
      StackMap locals:
      StackMap stack:
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.FIELD:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            areturn
        end local 3 // jdk.vm.ci.meta.ResolvedJavaType type
         7: .line 125
      StackMap locals:
      StackMap stack:
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.NONE:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            areturn
        end local 2 // org.graalvm.compiler.nodes.ValueNode value
        end local 1 // org.graalvm.compiler.nodes.ValueNode object
        end local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    8     0    this  Lorg/graalvm/compiler/nodes/gc/G1BarrierSet;
            0    8     1  object  Lorg/graalvm/compiler/nodes/ValueNode;
            0    8     2   value  Lorg/graalvm/compiler/nodes/ValueNode;
            2    7     3    type  Ljdk/vm/ci/meta/ResolvedJavaType;
    MethodParameters:
        Name  Flags
      object  
      value   

  public void addBarriers(org.graalvm.compiler.nodes.memory.FixedAccessNode);
    descriptor: (Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=3, args_size=2
        start local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
        start local 1 // org.graalvm.compiler.nodes.memory.FixedAccessNode n
         0: .line 130
            aload 1 /* n */
            instanceof org.graalvm.compiler.nodes.memory.ReadNode
            ifeq 3
         1: .line 131
            aload 1 /* n */
            checkcast org.graalvm.compiler.nodes.memory.ReadNode
            invokestatic org.graalvm.compiler.nodes.gc.G1BarrierSet.addReadNodeBarriers:(Lorg/graalvm/compiler/nodes/memory/ReadNode;)V
         2: .line 132
            goto 21
      StackMap locals:
      StackMap stack:
         3: aload 1 /* n */
            instanceof org.graalvm.compiler.nodes.memory.WriteNode
            ifeq 7
         4: .line 133
            aload 1 /* n */
            checkcast org.graalvm.compiler.nodes.memory.WriteNode
            astore 2 /* write */
        start local 2 // org.graalvm.compiler.nodes.memory.WriteNode write
         5: .line 134
            aload 0 /* this */
            aload 2 /* write */
            aload 2 /* write */
            invokevirtual org.graalvm.compiler.nodes.memory.WriteNode.value:()Lorg/graalvm/compiler/nodes/ValueNode;
            aconst_null
            iconst_1
            aload 2 /* write */
            invokevirtual org.graalvm.compiler.nodes.memory.WriteNode.getNullCheck:()Z
            invokevirtual org.graalvm.compiler.nodes.gc.G1BarrierSet.addWriteBarriers:(Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;Lorg/graalvm/compiler/nodes/ValueNode;Lorg/graalvm/compiler/nodes/ValueNode;ZZ)V
        end local 2 // org.graalvm.compiler.nodes.memory.WriteNode write
         6: .line 135
            goto 21
      StackMap locals:
      StackMap stack:
         7: aload 1 /* n */
            instanceof org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode
            ifeq 11
         8: .line 136
            aload 1 /* n */
            checkcast org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode
            astore 2 /* atomic */
        start local 2 // org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode atomic
         9: .line 137
            aload 0 /* this */
            aload 2 /* atomic */
            aload 2 /* atomic */
            invokevirtual org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode.getNewValue:()Lorg/graalvm/compiler/nodes/ValueNode;
            aconst_null
            iconst_1
            aload 2 /* atomic */
            invokevirtual org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode.getNullCheck:()Z
            invokevirtual org.graalvm.compiler.nodes.gc.G1BarrierSet.addWriteBarriers:(Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;Lorg/graalvm/compiler/nodes/ValueNode;Lorg/graalvm/compiler/nodes/ValueNode;ZZ)V
        end local 2 // org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode atomic
        10: .line 138
            goto 21
      StackMap locals:
      StackMap stack:
        11: aload 1 /* n */
            instanceof org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode
            ifeq 15
        12: .line 139
            aload 1 /* n */
            checkcast org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode
            astore 2 /* cmpSwap */
        start local 2 // org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode cmpSwap
        13: .line 140
            aload 0 /* this */
            aload 2 /* cmpSwap */
            aload 2 /* cmpSwap */
            invokevirtual org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode.getNewValue:()Lorg/graalvm/compiler/nodes/ValueNode;
            aload 2 /* cmpSwap */
            invokevirtual org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode.getExpectedValue:()Lorg/graalvm/compiler/nodes/ValueNode;
            iconst_0
            iconst_0
            invokevirtual org.graalvm.compiler.nodes.gc.G1BarrierSet.addWriteBarriers:(Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;Lorg/graalvm/compiler/nodes/ValueNode;Lorg/graalvm/compiler/nodes/ValueNode;ZZ)V
        end local 2 // org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode cmpSwap
        14: .line 141
            goto 21
      StackMap locals:
      StackMap stack:
        15: aload 1 /* n */
            instanceof org.graalvm.compiler.nodes.extended.ArrayRangeWrite
            ifeq 18
        16: .line 142
            aload 1 /* n */
            checkcast org.graalvm.compiler.nodes.extended.ArrayRangeWrite
            invokestatic org.graalvm.compiler.nodes.gc.G1BarrierSet.addArrayRangeBarriers:(Lorg/graalvm/compiler/nodes/extended/ArrayRangeWrite;)V
        17: .line 143
            goto 21
        18: .line 144
      StackMap locals:
      StackMap stack:
            aload 1 /* n */
            invokevirtual org.graalvm.compiler.nodes.memory.FixedAccessNode.getBarrierType:()Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.NONE:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            if_acmpne 19
            iconst_1
            goto 20
      StackMap locals:
      StackMap stack:
        19: iconst_0
      StackMap locals:
      StackMap stack: int
        20: ldc "missed a node that requires a GC barrier: %s"
            aload 1 /* n */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokestatic org.graalvm.compiler.debug.GraalError.guarantee:(ZLjava/lang/String;Ljava/lang/Object;)V
        21: .line 146
      StackMap locals:
      StackMap stack:
            return
        end local 1 // org.graalvm.compiler.nodes.memory.FixedAccessNode n
        end local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   22     0     this  Lorg/graalvm/compiler/nodes/gc/G1BarrierSet;
            0   22     1        n  Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;
            5    6     2    write  Lorg/graalvm/compiler/nodes/memory/WriteNode;
            9   10     2   atomic  Lorg/graalvm/compiler/nodes/java/LoweredAtomicReadAndWriteNode;
           13   14     2  cmpSwap  Lorg/graalvm/compiler/nodes/java/AbstractCompareAndSwapNode;
    MethodParameters:
      Name  Flags
      n     

  private static void addReadNodeBarriers(org.graalvm.compiler.nodes.memory.ReadNode);
    descriptor: (Lorg/graalvm/compiler/nodes/memory/ReadNode;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=7, locals=3, args_size=1
        start local 0 // org.graalvm.compiler.nodes.memory.ReadNode node
         0: .line 149
            aload 0 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.ReadNode.getBarrierType:()Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.WEAK_FIELD:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            if_acmpeq 1
            aload 0 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.ReadNode.getBarrierType:()Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.MAYBE_WEAK_FIELD:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            if_acmpne 7
         1: .line 150
      StackMap locals:
      StackMap stack:
            aload 0 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.ReadNode.graph:()Lorg/graalvm/compiler/nodes/StructuredGraph;
            astore 1 /* graph */
        start local 1 // org.graalvm.compiler.nodes.StructuredGraph graph
         2: .line 151
            aload 1 /* graph */
         3: new org.graalvm.compiler.nodes.gc.G1ReferentFieldReadBarrier
            dup
            aload 0 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.ReadNode.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            aload 0 /* node */
            aload 0 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.ReadNode.getBarrierType:()Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.MAYBE_WEAK_FIELD:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            if_acmpne 4
            iconst_1
            goto 5
      StackMap locals: org.graalvm.compiler.nodes.memory.ReadNode org.graalvm.compiler.nodes.StructuredGraph
      StackMap stack: org.graalvm.compiler.nodes.StructuredGraph new 3 new 3 org.graalvm.compiler.nodes.memory.address.AddressNode org.graalvm.compiler.nodes.memory.ReadNode
         4: iconst_0
      StackMap locals: org.graalvm.compiler.nodes.memory.ReadNode org.graalvm.compiler.nodes.StructuredGraph
      StackMap stack: org.graalvm.compiler.nodes.StructuredGraph new 3 new 3 org.graalvm.compiler.nodes.memory.address.AddressNode org.graalvm.compiler.nodes.memory.ReadNode int
         5: invokespecial org.graalvm.compiler.nodes.gc.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.nodes.gc.G1ReferentFieldReadBarrier
            astore 2 /* barrier */
        start local 2 // org.graalvm.compiler.nodes.gc.G1ReferentFieldReadBarrier barrier
         6: .line 152
            aload 1 /* graph */
            aload 0 /* node */
            aload 2 /* barrier */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.addAfterFixed:(Lorg/graalvm/compiler/nodes/FixedWithNextNode;Lorg/graalvm/compiler/nodes/FixedNode;)V
        end local 2 // org.graalvm.compiler.nodes.gc.G1ReferentFieldReadBarrier barrier
        end local 1 // org.graalvm.compiler.nodes.StructuredGraph graph
         7: .line 154
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.graalvm.compiler.nodes.memory.ReadNode node
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    8     0     node  Lorg/graalvm/compiler/nodes/memory/ReadNode;
            2    7     1    graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            6    7     2  barrier  Lorg/graalvm/compiler/nodes/gc/G1ReferentFieldReadBarrier;
    MethodParameters:
      Name  Flags
      node  

  private void addWriteBarriers(org.graalvm.compiler.nodes.memory.FixedAccessNode, org.graalvm.compiler.nodes.ValueNode, org.graalvm.compiler.nodes.ValueNode, boolean, boolean);
    descriptor: (Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;Lorg/graalvm/compiler/nodes/ValueNode;Lorg/graalvm/compiler/nodes/ValueNode;ZZ)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=6, locals=10, args_size=6
        start local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
        start local 1 // org.graalvm.compiler.nodes.memory.FixedAccessNode node
        start local 2 // org.graalvm.compiler.nodes.ValueNode writtenValue
        start local 3 // org.graalvm.compiler.nodes.ValueNode expectedValue
        start local 4 // boolean doLoad
        start local 5 // boolean nullCheck
         0: .line 157
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.FixedAccessNode.getBarrierType:()Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            astore 6 /* barrierType */
        start local 6 // org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType barrierType
         1: .line 158
            invokestatic org.graalvm.compiler.nodes.gc.G1BarrierSet.$SWITCH_TABLE$org$graalvm$compiler$nodes$memory$OnHeapMemoryAccess$BarrierType:()[I
            aload 6 /* barrierType */
            invokevirtual org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.ordinal:()I
            iaload
            tableswitch { // 1 - 4
                    1: 2
                    2: 3
                    3: 3
                    4: 3
              default: 14
          }
         2: .line 161
      StackMap locals: org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType
      StackMap stack:
            goto 15
         3: .line 165
      StackMap locals:
      StackMap stack:
            aload 2 /* writtenValue */
            invokestatic org.graalvm.compiler.nodes.gc.G1BarrierSet.isObjectValue:(Lorg/graalvm/compiler/nodes/ValueNode;)Z
            ifeq 15
         4: .line 166
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.FixedAccessNode.graph:()Lorg/graalvm/compiler/nodes/StructuredGraph;
            astore 7 /* graph */
        start local 7 // org.graalvm.compiler.nodes.StructuredGraph graph
         5: .line 167
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.FixedAccessNode.getLocationIdentity:()Ljdk/internal/vm/compiler/word/LocationIdentity;
            invokevirtual jdk.internal.vm.compiler.word.LocationIdentity.isInit:()Z
            istore 8 /* init */
        start local 8 // boolean init
         6: .line 168
            iload 8 /* init */
            ifne 8
         7: .line 171
            aload 1 /* node */
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.FixedAccessNode.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            aload 3 /* expectedValue */
            iload 4 /* doLoad */
            iload 5 /* nullCheck */
            aload 7 /* graph */
            invokestatic org.graalvm.compiler.nodes.gc.G1BarrierSet.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 173
      StackMap locals: org.graalvm.compiler.nodes.StructuredGraph int
      StackMap stack:
            aload 0 /* this */
            aload 1 /* node */
            aload 2 /* writtenValue */
            invokevirtual org.graalvm.compiler.nodes.gc.G1BarrierSet.writeRequiresPostBarrier:(Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;Lorg/graalvm/compiler/nodes/ValueNode;)Z
            ifeq 15
         9: .line 176
            aload 6 /* barrierType */
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.FIELD:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            if_acmpeq 10
            iconst_1
            goto 11
      StackMap locals:
      StackMap stack:
        10: iconst_0
      StackMap locals:
      StackMap stack: int
        11: istore 9 /* precise */
        start local 9 // boolean precise
        12: .line 177
            aload 1 /* node */
            aload 1 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.FixedAccessNode.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            aload 2 /* writtenValue */
            iload 9 /* precise */
            aload 7 /* graph */
            invokestatic org.graalvm.compiler.nodes.gc.G1BarrierSet.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
        end local 9 // boolean precise
        end local 8 // boolean init
        end local 7 // org.graalvm.compiler.nodes.StructuredGraph graph
        13: .line 180
            goto 15
        14: .line 182
      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 6 /* 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
        15: .line 184
      StackMap locals:
      StackMap stack:
            return
        end local 6 // org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType barrierType
        end local 5 // boolean nullCheck
        end local 4 // boolean doLoad
        end local 3 // org.graalvm.compiler.nodes.ValueNode expectedValue
        end local 2 // org.graalvm.compiler.nodes.ValueNode writtenValue
        end local 1 // org.graalvm.compiler.nodes.memory.FixedAccessNode node
        end local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   16     0           this  Lorg/graalvm/compiler/nodes/gc/G1BarrierSet;
            0   16     1           node  Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;
            0   16     2   writtenValue  Lorg/graalvm/compiler/nodes/ValueNode;
            0   16     3  expectedValue  Lorg/graalvm/compiler/nodes/ValueNode;
            0   16     4         doLoad  Z
            0   16     5      nullCheck  Z
            1   16     6    barrierType  Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            5   13     7          graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            6   13     8           init  Z
           12   13     9        precise  Z
    MethodParameters:
               Name  Flags
      node           
      writtenValue   
      expectedValue  
      doLoad         
      nullCheck      

  protected boolean writeRequiresPostBarrier(org.graalvm.compiler.nodes.memory.FixedAccessNode, org.graalvm.compiler.nodes.ValueNode);
    descriptor: (Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;Lorg/graalvm/compiler/nodes/ValueNode;)Z
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
        start local 1 // org.graalvm.compiler.nodes.memory.FixedAccessNode node
        start local 2 // org.graalvm.compiler.nodes.ValueNode writtenValue
         0: .line 190
            getstatic org.graalvm.compiler.nodes.gc.G1BarrierSet.$assertionsDisabled:Z
            ifne 1
            aload 2 /* writtenValue */
            invokestatic org.graalvm.compiler.nodes.gc.G1BarrierSet.isObjectValue:(Lorg/graalvm/compiler/nodes/ValueNode;)Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 191
      StackMap locals:
      StackMap stack:
            aload 2 /* writtenValue */
            invokestatic org.graalvm.compiler.nodes.type.StampTool.isPointerAlwaysNull:(Lorg/graalvm/compiler/nodes/ValueNode;)Z
            ifeq 2
            iconst_0
            goto 3
      StackMap locals:
      StackMap stack:
         2: iconst_1
      StackMap locals:
      StackMap stack: int
         3: ireturn
        end local 2 // org.graalvm.compiler.nodes.ValueNode writtenValue
        end local 1 // org.graalvm.compiler.nodes.memory.FixedAccessNode node
        end local 0 // org.graalvm.compiler.nodes.gc.G1BarrierSet this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    4     0          this  Lorg/graalvm/compiler/nodes/gc/G1BarrierSet;
            0    4     1          node  Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;
            0    4     2  writtenValue  Lorg/graalvm/compiler/nodes/ValueNode;
    MethodParameters:
              Name  Flags
      node          
      writtenValue  

  private static void addArrayRangeBarriers(org.graalvm.compiler.nodes.extended.ArrayRangeWrite);
    descriptor: (Lorg/graalvm/compiler/nodes/extended/ArrayRangeWrite;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=6, locals=3, args_size=1
        start local 0 // org.graalvm.compiler.nodes.extended.ArrayRangeWrite write
         0: .line 195
            aload 0 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.writesObjectArray:()Z
            ifeq 7
         1: .line 196
            aload 0 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.asNode:()Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;
            invokevirtual org.graalvm.compiler.nodes.memory.FixedAccessNode.graph:()Lorg/graalvm/compiler/nodes/StructuredGraph;
            astore 1 /* graph */
        start local 1 // org.graalvm.compiler.nodes.StructuredGraph graph
         2: .line 197
            aload 0 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.isInitialization:()Z
            ifne 5
         3: .line 200
            aload 1 /* graph */
            new org.graalvm.compiler.nodes.gc.G1ArrayRangePreWriteBarrier
            dup
            aload 0 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            aload 0 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.getLength:()Lorg/graalvm/compiler/nodes/ValueNode;
            aload 0 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.getElementStride:()I
            invokespecial org.graalvm.compiler.nodes.gc.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.nodes.gc.G1ArrayRangePreWriteBarrier
            astore 2 /* g1ArrayRangePreWriteBarrier */
        start local 2 // org.graalvm.compiler.nodes.gc.G1ArrayRangePreWriteBarrier g1ArrayRangePreWriteBarrier
         4: .line 201
            aload 1 /* graph */
            aload 0 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.asNode:()Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;
            aload 2 /* g1ArrayRangePreWriteBarrier */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.addBeforeFixed:(Lorg/graalvm/compiler/nodes/FixedNode;Lorg/graalvm/compiler/nodes/FixedWithNextNode;)V
        end local 2 // org.graalvm.compiler.nodes.gc.G1ArrayRangePreWriteBarrier g1ArrayRangePreWriteBarrier
         5: .line 203
      StackMap locals: org.graalvm.compiler.nodes.StructuredGraph
      StackMap stack:
            aload 1 /* graph */
            new org.graalvm.compiler.nodes.gc.G1ArrayRangePostWriteBarrier
            dup
            aload 0 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.getAddress:()Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            aload 0 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.getLength:()Lorg/graalvm/compiler/nodes/ValueNode;
            aload 0 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.getElementStride:()I
            invokespecial org.graalvm.compiler.nodes.gc.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.nodes.gc.G1ArrayRangePostWriteBarrier
            astore 2 /* g1ArrayRangePostWriteBarrier */
        start local 2 // org.graalvm.compiler.nodes.gc.G1ArrayRangePostWriteBarrier g1ArrayRangePostWriteBarrier
         6: .line 204
            aload 1 /* graph */
            aload 0 /* write */
            invokeinterface org.graalvm.compiler.nodes.extended.ArrayRangeWrite.asNode:()Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;
            aload 2 /* g1ArrayRangePostWriteBarrier */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.addAfterFixed:(Lorg/graalvm/compiler/nodes/FixedWithNextNode;Lorg/graalvm/compiler/nodes/FixedNode;)V
        end local 2 // org.graalvm.compiler.nodes.gc.G1ArrayRangePostWriteBarrier g1ArrayRangePostWriteBarrier
        end local 1 // org.graalvm.compiler.nodes.StructuredGraph graph
         7: .line 206
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.graalvm.compiler.nodes.extended.ArrayRangeWrite write
      LocalVariableTable:
        Start  End  Slot                          Name  Signature
            0    8     0                         write  Lorg/graalvm/compiler/nodes/extended/ArrayRangeWrite;
            2    7     1                         graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            4    5     2   g1ArrayRangePreWriteBarrier  Lorg/graalvm/compiler/nodes/gc/G1ArrayRangePreWriteBarrier;
            6    7     2  g1ArrayRangePostWriteBarrier  Lorg/graalvm/compiler/nodes/gc/G1ArrayRangePostWriteBarrier;
    MethodParameters:
       Name  Flags
      write  

  private 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: (0x000a) ACC_PRIVATE, 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 209
            aload 5 /* graph */
            new org.graalvm.compiler.nodes.gc.G1PreWriteBarrier
            dup
            aload 1 /* address */
            aload 2 /* value */
            iload 3 /* doLoad */
            iload 4 /* nullCheck */
            invokespecial org.graalvm.compiler.nodes.gc.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.nodes.gc.G1PreWriteBarrier
            astore 6 /* preBarrier */
        start local 6 // org.graalvm.compiler.nodes.gc.G1PreWriteBarrier preBarrier
         1: .line 210
            aload 6 /* preBarrier */
            aload 0 /* node */
            invokevirtual org.graalvm.compiler.nodes.memory.FixedAccessNode.stateBefore:()Lorg/graalvm/compiler/nodes/FrameState;
            invokevirtual org.graalvm.compiler.nodes.gc.G1PreWriteBarrier.setStateBefore:(Lorg/graalvm/compiler/nodes/FrameState;)V
         2: .line 211
            aload 0 /* node */
            iconst_0
            invokevirtual org.graalvm.compiler.nodes.memory.FixedAccessNode.setNullCheck:(Z)V
         3: .line 212
            aload 0 /* node */
            aconst_null
            invokevirtual org.graalvm.compiler.nodes.memory.FixedAccessNode.setStateBefore:(Lorg/graalvm/compiler/nodes/FrameState;)V
         4: .line 213
            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 214
            return
        end local 6 // org.graalvm.compiler.nodes.gc.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/nodes/gc/G1PreWriteBarrier;
    MethodParameters:
           Name  Flags
      node       
      address    
      value      
      doLoad     
      nullCheck  
      graph      

  private static 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: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=9, locals=6, args_size=5
        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 precise
        start local 4 // org.graalvm.compiler.nodes.StructuredGraph graph
         0: .line 217
            aload 2 /* value */
            invokestatic org.graalvm.compiler.nodes.type.StampTool.isPointerAlwaysNull:(Lorg/graalvm/compiler/nodes/ValueNode;)Z
            istore 5 /* alwaysNull */
        start local 5 // boolean alwaysNull
         1: .line 218
            aload 4 /* graph */
            aload 0 /* node */
            aload 4 /* graph */
            new org.graalvm.compiler.nodes.gc.G1PostWriteBarrier
            dup
            aload 1 /* address */
            aload 2 /* value */
            iload 3 /* precise */
            iload 5 /* alwaysNull */
            invokespecial org.graalvm.compiler.nodes.gc.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 219
            return
        end local 5 // boolean alwaysNull
        end local 4 // org.graalvm.compiler.nodes.StructuredGraph graph
        end local 3 // boolean precise
        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    3     0        node  Lorg/graalvm/compiler/nodes/memory/FixedAccessNode;
            0    3     1     address  Lorg/graalvm/compiler/nodes/memory/address/AddressNode;
            0    3     2       value  Lorg/graalvm/compiler/nodes/ValueNode;
            0    3     3     precise  Z
            0    3     4       graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            1    3     5  alwaysNull  Z
    MethodParameters:
         Name  Flags
      node     
      address  
      value    
      precise  
      graph    

  private static boolean isObjectValue(org.graalvm.compiler.nodes.ValueNode);
    descriptor: (Lorg/graalvm/compiler/nodes/ValueNode;)Z
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.nodes.ValueNode value
         0: .line 222
            aload 0 /* value */
            getstatic org.graalvm.compiler.nodes.NodeView.DEFAULT:Lorg/graalvm/compiler/nodes/NodeView;
            invokevirtual org.graalvm.compiler.nodes.ValueNode.stamp:(Lorg/graalvm/compiler/nodes/NodeView;)Lorg/graalvm/compiler/core/common/type/Stamp;
            instanceof org.graalvm.compiler.core.common.type.AbstractObjectStamp
            ireturn
        end local 0 // org.graalvm.compiler.nodes.ValueNode value
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0  value  Lorg/graalvm/compiler/nodes/ValueNode;
    MethodParameters:
       Name  Flags
      value  

  static int[] $SWITCH_TABLE$org$graalvm$compiler$nodes$memory$OnHeapMemoryAccess$BarrierType();
    descriptor: ()[I
    flags: (0x1008) ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=3, locals=1, args_size=0
         0: .line 49
            getstatic org.graalvm.compiler.nodes.gc.G1BarrierSet.$SWITCH_TABLE$org$graalvm$compiler$nodes$memory$OnHeapMemoryAccess$BarrierType:[I
            dup
            ifnull 1
            areturn
      StackMap locals:
      StackMap stack: int[]
         1: pop
            invokestatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.values:()[Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            arraylength
            newarray 10
            astore 0
         2: aload 0
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.ARRAY:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            invokevirtual org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.ordinal:()I
            iconst_2
            iastore
         3: goto 5
      StackMap locals: int[]
      StackMap stack: java.lang.NoSuchFieldError
         4: pop
      StackMap locals:
      StackMap stack:
         5: aload 0
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.FIELD:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            invokevirtual org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.ordinal:()I
            iconst_3
            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.OnHeapMemoryAccess$BarrierType.MAYBE_WEAK_FIELD:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            invokevirtual org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.ordinal:()I
            bipush 6
            iastore
         9: goto 11
      StackMap locals:
      StackMap stack: java.lang.NoSuchFieldError
        10: pop
      StackMap locals:
      StackMap stack:
        11: aload 0
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.NONE:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            invokevirtual org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.ordinal:()I
            iconst_1
            iastore
        12: goto 14
      StackMap locals:
      StackMap stack: java.lang.NoSuchFieldError
        13: pop
      StackMap locals:
      StackMap stack:
        14: aload 0
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.UNKNOWN:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            invokevirtual org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.ordinal:()I
            iconst_4
            iastore
        15: goto 17
      StackMap locals:
      StackMap stack: java.lang.NoSuchFieldError
        16: pop
      StackMap locals:
      StackMap stack:
        17: aload 0
            getstatic org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.WEAK_FIELD:Lorg/graalvm/compiler/nodes/memory/OnHeapMemoryAccess$BarrierType;
            invokevirtual org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType.ordinal:()I
            iconst_5
            iastore
        18: goto 20
      StackMap locals:
      StackMap stack: java.lang.NoSuchFieldError
        19: pop
      StackMap locals:
      StackMap stack:
        20: aload 0
            dup
            putstatic org.graalvm.compiler.nodes.gc.G1BarrierSet.$SWITCH_TABLE$org$graalvm$compiler$nodes$memory$OnHeapMemoryAccess$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
          11    12      13  Class java.lang.NoSuchFieldError
          14    15      16  Class java.lang.NoSuchFieldError
          17    18      19  Class java.lang.NoSuchFieldError
}
SourceFile: "G1BarrierSet.java"
InnerClasses:
  public final BarrierType = org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess$BarrierType of org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess
/

java/ 15/ jdk.internal.vm.compiler/org/graalvm/compiler/nodes/gc/G1BarrierSet.class
