java/12 : jdk.internal.vm.compiler/org/graalvm/compiler/nodes/AbstractBeginNode.class

AbstractBeginNode
https://openjdk.java.net/
GPLv2 + Classpath Exception
public abstract class org.graalvm.compiler.nodes.AbstractBeginNode extends org.graalvm.compiler.nodes.FixedWithNextNode implements org.graalvm.compiler.nodes.spi.LIRLowerable, org.graalvm.compiler.nodes.extended.GuardingNode, org.graalvm.compiler.nodes.extended.AnchoringNode, org.graalvm.compiler.graph.IterableNodeType
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.graalvm.compiler.nodes.AbstractBeginNode
  super_class: org.graalvm.compiler.nodes.FixedWithNextNode
{
  public static final org.graalvm.compiler.graph.NodeClass<org.graalvm.compiler.nodes.AbstractBeginNode> TYPE;
    descriptor: Lorg/graalvm/compiler/graph/NodeClass;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    Signature: Lorg/graalvm/compiler/graph/NodeClass<Lorg/graalvm/compiler/nodes/AbstractBeginNode;>;

  private boolean withSpeculationFence;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE

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

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 44
            ldc Lorg/graalvm/compiler/nodes/AbstractBeginNode;
            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.AbstractBeginNode.$assertionsDisabled:Z
         3: .line 46
            ldc Lorg/graalvm/compiler/nodes/AbstractBeginNode;
            invokestatic org.graalvm.compiler.graph.NodeClass.create:(Ljava/lang/Class;)Lorg/graalvm/compiler/graph/NodeClass;
            putstatic org.graalvm.compiler.nodes.AbstractBeginNode.TYPE:Lorg/graalvm/compiler/graph/NodeClass;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  protected void <init>(org.graalvm.compiler.graph.NodeClass<? extends org.graalvm.compiler.nodes.AbstractBeginNode>);
    descriptor: (Lorg/graalvm/compiler/graph/NodeClass;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
        start local 1 // org.graalvm.compiler.graph.NodeClass c
         0: .line 51
            aload 0 /* this */
            aload 1 /* c */
            invokestatic org.graalvm.compiler.core.common.type.StampFactory.forVoid:()Lorg/graalvm/compiler/core/common/type/Stamp;
            invokespecial org.graalvm.compiler.nodes.AbstractBeginNode.<init>:(Lorg/graalvm/compiler/graph/NodeClass;Lorg/graalvm/compiler/core/common/type/Stamp;)V
         1: .line 52
            return
        end local 1 // org.graalvm.compiler.graph.NodeClass c
        end local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
            0    2     1     c  Lorg/graalvm/compiler/graph/NodeClass<+Lorg/graalvm/compiler/nodes/AbstractBeginNode;>;
    Signature: (Lorg/graalvm/compiler/graph/NodeClass<+Lorg/graalvm/compiler/nodes/AbstractBeginNode;>;)V
    MethodParameters:
      Name  Flags
      c     

  protected void <init>(org.graalvm.compiler.graph.NodeClass<? extends org.graalvm.compiler.nodes.AbstractBeginNode>, org.graalvm.compiler.core.common.type.Stamp);
    descriptor: (Lorg/graalvm/compiler/graph/NodeClass;Lorg/graalvm/compiler/core/common/type/Stamp;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
        start local 1 // org.graalvm.compiler.graph.NodeClass c
        start local 2 // org.graalvm.compiler.core.common.type.Stamp stamp
         0: .line 55
            aload 0 /* this */
            aload 1 /* c */
            aload 2 /* stamp */
            invokespecial org.graalvm.compiler.nodes.FixedWithNextNode.<init>:(Lorg/graalvm/compiler/graph/NodeClass;Lorg/graalvm/compiler/core/common/type/Stamp;)V
         1: .line 56
            return
        end local 2 // org.graalvm.compiler.core.common.type.Stamp stamp
        end local 1 // org.graalvm.compiler.graph.NodeClass c
        end local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
            0    2     1      c  Lorg/graalvm/compiler/graph/NodeClass<+Lorg/graalvm/compiler/nodes/AbstractBeginNode;>;
            0    2     2  stamp  Lorg/graalvm/compiler/core/common/type/Stamp;
    Signature: (Lorg/graalvm/compiler/graph/NodeClass<+Lorg/graalvm/compiler/nodes/AbstractBeginNode;>;Lorg/graalvm/compiler/core/common/type/Stamp;)V
    MethodParameters:
       Name  Flags
      c      
      stamp  

  public static org.graalvm.compiler.nodes.AbstractBeginNode prevBegin(org.graalvm.compiler.nodes.FixedNode);
    descriptor: (Lorg/graalvm/compiler/nodes/FixedNode;)Lorg/graalvm/compiler/nodes/AbstractBeginNode;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=3, args_size=1
        start local 0 // org.graalvm.compiler.nodes.FixedNode from
         0: .line 59
            aload 0 /* from */
            astore 1 /* next */
        start local 1 // org.graalvm.compiler.graph.Node next
         1: .line 60
            goto 6
         2: .line 61
      StackMap locals: org.graalvm.compiler.graph.Node
      StackMap stack:
            aload 1 /* next */
            instanceof org.graalvm.compiler.nodes.AbstractBeginNode
            ifeq 5
         3: .line 62
            aload 1 /* next */
            checkcast org.graalvm.compiler.nodes.AbstractBeginNode
            astore 2 /* begin */
        start local 2 // org.graalvm.compiler.nodes.AbstractBeginNode begin
         4: .line 63
            aload 2 /* begin */
            areturn
        end local 2 // org.graalvm.compiler.nodes.AbstractBeginNode begin
         5: .line 65
      StackMap locals:
      StackMap stack:
            aload 1 /* next */
            invokevirtual org.graalvm.compiler.graph.Node.predecessor:()Lorg/graalvm/compiler/graph/Node;
            astore 1 /* next */
         6: .line 60
      StackMap locals:
      StackMap stack:
            aload 1 /* next */
            ifnonnull 2
         7: .line 67
            aconst_null
            areturn
        end local 1 // org.graalvm.compiler.graph.Node next
        end local 0 // org.graalvm.compiler.nodes.FixedNode from
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    8     0   from  Lorg/graalvm/compiler/nodes/FixedNode;
            1    8     1   next  Lorg/graalvm/compiler/graph/Node;
            4    5     2  begin  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
    MethodParameters:
      Name  Flags
      from  

  private void evacuateGuards(org.graalvm.compiler.nodes.FixedNode);
    descriptor: (Lorg/graalvm/compiler/nodes/FixedNode;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=5, args_size=2
        start local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
        start local 1 // org.graalvm.compiler.nodes.FixedNode evacuateFrom
         0: .line 71
            aload 0 /* this */
            invokevirtual org.graalvm.compiler.nodes.AbstractBeginNode.hasNoUsages:()Z
            ifne 7
         1: .line 72
            aload 1 /* evacuateFrom */
            invokestatic org.graalvm.compiler.nodes.AbstractBeginNode.prevBegin:(Lorg/graalvm/compiler/nodes/FixedNode;)Lorg/graalvm/compiler/nodes/AbstractBeginNode;
            astore 2 /* prevBegin */
        start local 2 // org.graalvm.compiler.nodes.AbstractBeginNode prevBegin
         2: .line 73
            getstatic org.graalvm.compiler.nodes.AbstractBeginNode.$assertionsDisabled:Z
            ifne 3
            aload 2 /* prevBegin */
            ifnonnull 3
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         3: .line 74
      StackMap locals: org.graalvm.compiler.nodes.AbstractBeginNode
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.graalvm.compiler.nodes.AbstractBeginNode.anchored:()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            invokeinterface org.graalvm.compiler.graph.iterators.NodeIterable.snapshot:()Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 4
            goto 6
      StackMap locals: org.graalvm.compiler.nodes.AbstractBeginNode org.graalvm.compiler.nodes.FixedNode org.graalvm.compiler.nodes.AbstractBeginNode top java.util.Iterator
      StackMap stack:
         4: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.graalvm.compiler.graph.Node
            astore 3 /* anchored */
        start local 3 // org.graalvm.compiler.graph.Node anchored
         5: .line 75
            aload 3 /* anchored */
            aload 0 /* this */
            aload 2 /* prevBegin */
            invokevirtual org.graalvm.compiler.graph.Node.replaceFirstInput:(Lorg/graalvm/compiler/graph/Node;Lorg/graalvm/compiler/graph/Node;)V
        end local 3 // org.graalvm.compiler.graph.Node anchored
         6: .line 74
      StackMap locals:
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 4
        end local 2 // org.graalvm.compiler.nodes.AbstractBeginNode prevBegin
         7: .line 78
      StackMap locals: org.graalvm.compiler.nodes.AbstractBeginNode org.graalvm.compiler.nodes.FixedNode
      StackMap stack:
            return
        end local 1 // org.graalvm.compiler.nodes.FixedNode evacuateFrom
        end local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    8     0          this  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
            0    8     1  evacuateFrom  Lorg/graalvm/compiler/nodes/FixedNode;
            2    7     2     prevBegin  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
            5    6     3      anchored  Lorg/graalvm/compiler/graph/Node;
    MethodParameters:
              Name  Flags
      evacuateFrom  

  public void prepareDelete();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
         0: .line 81
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual org.graalvm.compiler.nodes.AbstractBeginNode.predecessor:()Lorg/graalvm/compiler/graph/Node;
            checkcast org.graalvm.compiler.nodes.FixedNode
            invokevirtual org.graalvm.compiler.nodes.AbstractBeginNode.prepareDelete:(Lorg/graalvm/compiler/nodes/FixedNode;)V
         1: .line 82
            return
        end local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/graalvm/compiler/nodes/AbstractBeginNode;

  public void prepareDelete(org.graalvm.compiler.nodes.FixedNode);
    descriptor: (Lorg/graalvm/compiler/nodes/FixedNode;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
        start local 1 // org.graalvm.compiler.nodes.FixedNode evacuateFrom
         0: .line 85
            aload 0 /* this */
            aload 1 /* evacuateFrom */
            invokevirtual org.graalvm.compiler.nodes.AbstractBeginNode.evacuateGuards:(Lorg/graalvm/compiler/nodes/FixedNode;)V
         1: .line 86
            return
        end local 1 // org.graalvm.compiler.nodes.FixedNode evacuateFrom
        end local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    2     0          this  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
            0    2     1  evacuateFrom  Lorg/graalvm/compiler/nodes/FixedNode;
    MethodParameters:
              Name  Flags
      evacuateFrom  

  public boolean verify();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
         0: .line 90
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual org.graalvm.compiler.nodes.AbstractBeginNode.predecessor:()Lorg/graalvm/compiler/graph/Node;
            ifnonnull 1
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual org.graalvm.compiler.nodes.AbstractBeginNode.graph:()Lorg/graalvm/compiler/nodes/StructuredGraph;
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.start:()Lorg/graalvm/compiler/nodes/StartNode;
            if_acmpeq 1
            aload 0 /* this */
            instanceof org.graalvm.compiler.nodes.AbstractMergeNode
            ifne 1
            iconst_0
            goto 2
      StackMap locals:
      StackMap stack: org.graalvm.compiler.nodes.AbstractBeginNode
         1: iconst_1
      StackMap locals: org.graalvm.compiler.nodes.AbstractBeginNode
      StackMap stack: org.graalvm.compiler.nodes.AbstractBeginNode int
         2: ldc "begin nodes must be connected"
            iconst_0
            anewarray java.lang.Object
            invokevirtual org.graalvm.compiler.nodes.AbstractBeginNode.assertTrue:(ZLjava/lang/String;[Ljava/lang/Object;)Z
            pop
         3: .line 91
            aload 0 /* this */
            invokespecial org.graalvm.compiler.nodes.FixedWithNextNode.verify:()Z
            ireturn
        end local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/graalvm/compiler/nodes/AbstractBeginNode;

  public void generate(org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool);
    descriptor: (Lorg/graalvm/compiler/nodes/spi/NodeLIRBuilderTool;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
        start local 1 // org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool gen
         0: .line 96
            aload 0 /* this */
            getfield org.graalvm.compiler.nodes.AbstractBeginNode.withSpeculationFence:Z
            ifeq 2
         1: .line 97
            aload 1 /* gen */
            invokeinterface org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool.getLIRGeneratorTool:()Lorg/graalvm/compiler/lir/gen/LIRGeneratorTool;
            invokeinterface org.graalvm.compiler.lir.gen.LIRGeneratorTool.emitSpeculationFence:()V
         2: .line 99
      StackMap locals:
      StackMap stack:
            return
        end local 1 // org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool gen
        end local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
            0    3     1   gen  Lorg/graalvm/compiler/nodes/spi/NodeLIRBuilderTool;
    MethodParameters:
      Name  Flags
      gen   

  public org.graalvm.compiler.graph.iterators.NodeIterable<org.graalvm.compiler.nodes.GuardNode> guards();
    descriptor: ()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
         0: .line 102
            aload 0 /* this */
            invokevirtual org.graalvm.compiler.nodes.AbstractBeginNode.usages:()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            ldc Lorg/graalvm/compiler/nodes/GuardNode;
            invokeinterface org.graalvm.compiler.graph.iterators.NodeIterable.filter:(Ljava/lang/Class;)Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            areturn
        end local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
    Signature: ()Lorg/graalvm/compiler/graph/iterators/NodeIterable<Lorg/graalvm/compiler/nodes/GuardNode;>;

  public org.graalvm.compiler.graph.iterators.NodeIterable<org.graalvm.compiler.graph.Node> anchored();
    descriptor: ()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
         0: .line 106
            aload 0 /* this */
            invokevirtual org.graalvm.compiler.nodes.AbstractBeginNode.usages:()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            areturn
        end local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
    Signature: ()Lorg/graalvm/compiler/graph/iterators/NodeIterable<Lorg/graalvm/compiler/graph/Node;>;

  public org.graalvm.compiler.graph.iterators.NodeIterable<org.graalvm.compiler.nodes.FixedNode> getBlockNodes();
    descriptor: ()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
         0: .line 110
            new org.graalvm.compiler.nodes.AbstractBeginNode$1
            dup
            aload 0 /* this */
            invokespecial org.graalvm.compiler.nodes.AbstractBeginNode$1.<init>:(Lorg/graalvm/compiler/nodes/AbstractBeginNode;)V
            areturn
        end local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
    Signature: ()Lorg/graalvm/compiler/graph/iterators/NodeIterable<Lorg/graalvm/compiler/nodes/FixedNode;>;

  public void setWithSpeculationFence();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
         0: .line 124
            aload 0 /* this */
            iconst_1
            putfield org.graalvm.compiler.nodes.AbstractBeginNode.withSpeculationFence:Z
         1: .line 125
            return
        end local 0 // org.graalvm.compiler.nodes.AbstractBeginNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
}
SourceFile: "AbstractBeginNode.java"
NestMembers:
  org.graalvm.compiler.nodes.AbstractBeginNode$1  org.graalvm.compiler.nodes.AbstractBeginNode$BlockNodeIterator
InnerClasses:
  org.graalvm.compiler.nodes.AbstractBeginNode$1
  private BlockNodeIterator = org.graalvm.compiler.nodes.AbstractBeginNode$BlockNodeIterator of org.graalvm.compiler.nodes.AbstractBeginNode
    RuntimeVisibleAnnotations: 
      org.graalvm.compiler.nodeinfo.NodeInfo(allowedUsageTypes = {org.graalvm.compiler.nodeinfo.InputType.Guard:Lorg/graalvm/compiler/nodeinfo/InputType;, org.graalvm.compiler.nodeinfo.InputType.Anchor:Lorg/graalvm/compiler/nodeinfo/InputType;})
/

java/ 12/ jdk.internal.vm.compiler/org/graalvm/compiler/nodes/AbstractBeginNode.class
