java/9 : jdk.internal.vm.compiler/org/graalvm/compiler/phases/common/GuardLoweringPhase$LowerGuards.class

GuardLoweringPhase$LowerGuards
https://openjdk.java.net/
GPLv2 + Classpath Exception
class org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards extends org.graalvm.compiler.phases.graph.ScheduledNodeIterator
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards
  super_class: org.graalvm.compiler.phases.graph.ScheduledNodeIterator
{
  private final org.graalvm.compiler.nodes.cfg.Block block;
    descriptor: Lorg/graalvm/compiler/nodes/cfg/Block;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

  void <init>(org.graalvm.compiler.nodes.cfg.Block, boolean);
    descriptor: (Lorg/graalvm/compiler/nodes/cfg/Block;Z)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards this
        start local 1 // org.graalvm.compiler.nodes.cfg.Block block
        start local 2 // boolean useGuardIdAsDebugId
         0: .line 210
            aload 0 /* this */
            invokespecial org.graalvm.compiler.phases.graph.ScheduledNodeIterator.<init>:()V
         1: .line 211
            aload 0 /* this */
            aload 1 /* block */
            putfield org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards.block:Lorg/graalvm/compiler/nodes/cfg/Block;
         2: .line 212
            aload 0 /* this */
            iload 2 /* useGuardIdAsDebugId */
            putfield org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards.useGuardIdAsDebugId:Z
         3: .line 213
            return
        end local 2 // boolean useGuardIdAsDebugId
        end local 1 // org.graalvm.compiler.nodes.cfg.Block block
        end local 0 // org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards this
      LocalVariableTable:
        Start  End  Slot                 Name  Signature
            0    4     0                 this  Lorg/graalvm/compiler/phases/common/GuardLoweringPhase$LowerGuards;
            0    4     1                block  Lorg/graalvm/compiler/nodes/cfg/Block;
            0    4     2  useGuardIdAsDebugId  Z
    MethodParameters:
                     Name  Flags
      block                
      useGuardIdAsDebugId  

  protected void processNode(org.graalvm.compiler.graph.Node);
    descriptor: (Lorg/graalvm/compiler/graph/Node;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=4, args_size=2
        start local 0 // org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards this
        start local 1 // org.graalvm.compiler.graph.Node node
         0: .line 217
            aload 1 /* node */
            instanceof org.graalvm.compiler.nodes.GuardNode
            ifeq 7
         1: .line 218
            aload 1 /* node */
            checkcast org.graalvm.compiler.nodes.GuardNode
            astore 2 /* guard */
        start local 2 // org.graalvm.compiler.nodes.GuardNode guard
         2: .line 219
            aload 2 /* guard */
            invokevirtual org.graalvm.compiler.nodes.GuardNode.lowerGuard:()Lorg/graalvm/compiler/nodes/FixedWithNextNode;
            astore 3 /* lowered */
        start local 3 // org.graalvm.compiler.nodes.FixedWithNextNode lowered
         3: .line 220
            aload 3 /* lowered */
            ifnull 6
         4: .line 221
            aload 0 /* this */
            aload 3 /* lowered */
            invokevirtual org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards.replaceCurrent:(Lorg/graalvm/compiler/nodes/FixedWithNextNode;)V
         5: .line 222
            goto 7
         6: .line 223
      StackMap locals: org.graalvm.compiler.nodes.GuardNode org.graalvm.compiler.nodes.FixedWithNextNode
      StackMap stack:
            aload 0 /* this */
            aload 2 /* guard */
            invokevirtual org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards.lowerToIf:(Lorg/graalvm/compiler/nodes/GuardNode;)V
        end local 3 // org.graalvm.compiler.nodes.FixedWithNextNode lowered
        end local 2 // org.graalvm.compiler.nodes.GuardNode guard
         7: .line 226
      StackMap locals:
      StackMap stack:
            return
        end local 1 // org.graalvm.compiler.graph.Node node
        end local 0 // org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    8     0     this  Lorg/graalvm/compiler/phases/common/GuardLoweringPhase$LowerGuards;
            0    8     1     node  Lorg/graalvm/compiler/graph/Node;
            2    7     2    guard  Lorg/graalvm/compiler/nodes/GuardNode;
            3    7     3  lowered  Lorg/graalvm/compiler/nodes/FixedWithNextNode;
    MethodParameters:
      Name  Flags
      node  

  private void lowerToIf(org.graalvm.compiler.nodes.GuardNode);
    descriptor: (Lorg/graalvm/compiler/nodes/GuardNode;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=8, locals=13, args_size=2
        start local 0 // org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards this
        start local 1 // org.graalvm.compiler.nodes.GuardNode guard
         0: .line 230
            aconst_null
            astore 2
            aconst_null
            astore 3
         1: aload 1 /* guard */
            invokevirtual org.graalvm.compiler.nodes.GuardNode.withNodeSourcePosition:()Lorg/graalvm/compiler/debug/DebugCloseable;
            astore 4 /* position */
        start local 4 // org.graalvm.compiler.debug.DebugCloseable position
         2: .line 231
            aload 1 /* guard */
            invokevirtual org.graalvm.compiler.nodes.GuardNode.graph:()Lorg/graalvm/compiler/nodes/StructuredGraph;
            astore 5 /* graph */
        start local 5 // org.graalvm.compiler.nodes.StructuredGraph graph
         3: .line 232
            aload 5 /* graph */
            new org.graalvm.compiler.nodes.BeginNode
            dup
            invokespecial org.graalvm.compiler.nodes.BeginNode.<init>:()V
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.add:(Lorg/graalvm/compiler/graph/Node;)Lorg/graalvm/compiler/graph/Node;
            checkcast org.graalvm.compiler.nodes.AbstractBeginNode
            astore 6 /* fastPath */
        start local 6 // org.graalvm.compiler.nodes.AbstractBeginNode fastPath
         4: .line 234
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards.useGuardIdAsDebugId:Z
            ifeq 5
            aload 1 /* guard */
            invokevirtual org.graalvm.compiler.nodes.GuardNode.getId:()I
            goto 6
      StackMap locals: org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards org.graalvm.compiler.nodes.GuardNode java.lang.Throwable java.lang.Throwable org.graalvm.compiler.debug.DebugCloseable org.graalvm.compiler.nodes.StructuredGraph org.graalvm.compiler.nodes.AbstractBeginNode
      StackMap stack:
         5: iconst_0
      StackMap locals:
      StackMap stack: int
         6: istore 7 /* debugId */
        start local 7 // int debugId
         7: .line 235
            aload 5 /* graph */
            new org.graalvm.compiler.nodes.DeoptimizeNode
            dup
            aload 1 /* guard */
            invokevirtual org.graalvm.compiler.nodes.GuardNode.getAction:()Ljdk/vm/ci/meta/DeoptimizationAction;
            aload 1 /* guard */
            invokevirtual org.graalvm.compiler.nodes.GuardNode.getReason:()Ljdk/vm/ci/meta/DeoptimizationReason;
            iload 7 /* debugId */
            aload 1 /* guard */
            invokevirtual org.graalvm.compiler.nodes.GuardNode.getSpeculation:()Ljdk/vm/ci/meta/JavaConstant;
            aconst_null
            invokespecial org.graalvm.compiler.nodes.DeoptimizeNode.<init>:(Ljdk/vm/ci/meta/DeoptimizationAction;Ljdk/vm/ci/meta/DeoptimizationReason;ILjdk/vm/ci/meta/JavaConstant;Lorg/graalvm/compiler/nodes/FrameState;)V
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.add:(Lorg/graalvm/compiler/graph/Node;)Lorg/graalvm/compiler/graph/Node;
            checkcast org.graalvm.compiler.nodes.DeoptimizeNode
            astore 8 /* deopt */
        start local 8 // org.graalvm.compiler.nodes.DeoptimizeNode deopt
         8: .line 236
            aload 8 /* deopt */
            invokestatic org.graalvm.compiler.nodes.BeginNode.begin:(Lorg/graalvm/compiler/nodes/FixedNode;)Lorg/graalvm/compiler/nodes/AbstractBeginNode;
            astore 9 /* deoptBranch */
        start local 9 // org.graalvm.compiler.nodes.AbstractBeginNode deoptBranch
         9: .line 239
            aload 0 /* this */
            aload 8 /* deopt */
            invokevirtual org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards.insertLoopExits:(Lorg/graalvm/compiler/nodes/DeoptimizeNode;)V
        10: .line 240
            aload 1 /* guard */
            invokevirtual org.graalvm.compiler.nodes.GuardNode.isNegated:()Z
            ifeq 14
        11: .line 241
            aload 9 /* deoptBranch */
            astore 10 /* trueSuccessor */
        start local 10 // org.graalvm.compiler.nodes.AbstractBeginNode trueSuccessor
        12: .line 242
            aload 6 /* fastPath */
            astore 11 /* falseSuccessor */
        start local 11 // org.graalvm.compiler.nodes.AbstractBeginNode falseSuccessor
        13: .line 243
            goto 16
        end local 11 // org.graalvm.compiler.nodes.AbstractBeginNode falseSuccessor
        end local 10 // org.graalvm.compiler.nodes.AbstractBeginNode trueSuccessor
        14: .line 244
      StackMap locals: int org.graalvm.compiler.nodes.DeoptimizeNode org.graalvm.compiler.nodes.AbstractBeginNode
      StackMap stack:
            aload 6 /* fastPath */
            astore 10 /* trueSuccessor */
        start local 10 // org.graalvm.compiler.nodes.AbstractBeginNode trueSuccessor
        15: .line 245
            aload 9 /* deoptBranch */
            astore 11 /* falseSuccessor */
        start local 11 // org.graalvm.compiler.nodes.AbstractBeginNode falseSuccessor
        16: .line 247
      StackMap locals: org.graalvm.compiler.nodes.AbstractBeginNode org.graalvm.compiler.nodes.AbstractBeginNode
      StackMap stack:
            aload 5 /* graph */
        17: new org.graalvm.compiler.nodes.IfNode
            dup
            aload 1 /* guard */
            invokevirtual org.graalvm.compiler.nodes.GuardNode.getCondition:()Lorg/graalvm/compiler/nodes/LogicNode;
            aload 10 /* trueSuccessor */
            aload 11 /* falseSuccessor */
            aload 10 /* trueSuccessor */
            aload 6 /* fastPath */
            if_acmpne 18
            iconst_1
            goto 19
      StackMap locals: org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards org.graalvm.compiler.nodes.GuardNode java.lang.Throwable java.lang.Throwable org.graalvm.compiler.debug.DebugCloseable org.graalvm.compiler.nodes.StructuredGraph org.graalvm.compiler.nodes.AbstractBeginNode int org.graalvm.compiler.nodes.DeoptimizeNode org.graalvm.compiler.nodes.AbstractBeginNode org.graalvm.compiler.nodes.AbstractBeginNode org.graalvm.compiler.nodes.AbstractBeginNode
      StackMap stack: org.graalvm.compiler.nodes.StructuredGraph new 17 new 17 org.graalvm.compiler.nodes.LogicNode org.graalvm.compiler.nodes.AbstractBeginNode org.graalvm.compiler.nodes.AbstractBeginNode
        18: iconst_0
      StackMap locals: org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards org.graalvm.compiler.nodes.GuardNode java.lang.Throwable java.lang.Throwable org.graalvm.compiler.debug.DebugCloseable org.graalvm.compiler.nodes.StructuredGraph org.graalvm.compiler.nodes.AbstractBeginNode int org.graalvm.compiler.nodes.DeoptimizeNode org.graalvm.compiler.nodes.AbstractBeginNode org.graalvm.compiler.nodes.AbstractBeginNode org.graalvm.compiler.nodes.AbstractBeginNode
      StackMap stack: org.graalvm.compiler.nodes.StructuredGraph new 17 new 17 org.graalvm.compiler.nodes.LogicNode org.graalvm.compiler.nodes.AbstractBeginNode org.graalvm.compiler.nodes.AbstractBeginNode int
        19: i2d
            invokespecial org.graalvm.compiler.nodes.IfNode.<init>:(Lorg/graalvm/compiler/nodes/LogicNode;Lorg/graalvm/compiler/nodes/AbstractBeginNode;Lorg/graalvm/compiler/nodes/AbstractBeginNode;D)V
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.add:(Lorg/graalvm/compiler/graph/Node;)Lorg/graalvm/compiler/graph/Node;
            checkcast org.graalvm.compiler.nodes.IfNode
            astore 12 /* ifNode */
        start local 12 // org.graalvm.compiler.nodes.IfNode ifNode
        20: .line 248
            aload 1 /* guard */
            aload 6 /* fastPath */
            invokevirtual org.graalvm.compiler.nodes.GuardNode.replaceAndDelete:(Lorg/graalvm/compiler/graph/Node;)V
        21: .line 249
            aload 0 /* this */
            aload 12 /* ifNode */
            aload 6 /* fastPath */
            invokevirtual org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards.insert:(Lorg/graalvm/compiler/nodes/FixedNode;Lorg/graalvm/compiler/nodes/FixedWithNextNode;)V
        end local 12 // org.graalvm.compiler.nodes.IfNode ifNode
        end local 11 // org.graalvm.compiler.nodes.AbstractBeginNode falseSuccessor
        end local 10 // org.graalvm.compiler.nodes.AbstractBeginNode trueSuccessor
        end local 9 // org.graalvm.compiler.nodes.AbstractBeginNode deoptBranch
        end local 8 // org.graalvm.compiler.nodes.DeoptimizeNode deopt
        end local 7 // int debugId
        end local 6 // org.graalvm.compiler.nodes.AbstractBeginNode fastPath
        end local 5 // org.graalvm.compiler.nodes.StructuredGraph graph
        22: .line 250
            aload 4 /* position */
            ifnull 28
            aload 4 /* position */
            invokeinterface org.graalvm.compiler.debug.DebugCloseable.close:()V
            goto 28
      StackMap locals: org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards org.graalvm.compiler.nodes.GuardNode java.lang.Throwable java.lang.Throwable org.graalvm.compiler.debug.DebugCloseable
      StackMap stack: java.lang.Throwable
        23: astore 2
            aload 4 /* position */
            ifnull 24
            aload 4 /* position */
            invokeinterface org.graalvm.compiler.debug.DebugCloseable.close:()V
        end local 4 // org.graalvm.compiler.debug.DebugCloseable position
      StackMap locals:
      StackMap stack:
        24: aload 2
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        25: astore 3
            aload 2
            ifnonnull 26
            aload 3
            astore 2
            goto 27
      StackMap locals:
      StackMap stack:
        26: aload 2
            aload 3
            if_acmpeq 27
            aload 2
            aload 3
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        27: aload 2
            athrow
        28: .line 251
      StackMap locals:
      StackMap stack:
            return
        end local 1 // org.graalvm.compiler.nodes.GuardNode guard
        end local 0 // org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   29     0            this  Lorg/graalvm/compiler/phases/common/GuardLoweringPhase$LowerGuards;
            0   29     1           guard  Lorg/graalvm/compiler/nodes/GuardNode;
            2   24     4        position  Lorg/graalvm/compiler/debug/DebugCloseable;
            3   22     5           graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            4   22     6        fastPath  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
            7   22     7         debugId  I
            8   22     8           deopt  Lorg/graalvm/compiler/nodes/DeoptimizeNode;
            9   22     9     deoptBranch  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
           12   14    10   trueSuccessor  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
           15   22    10   trueSuccessor  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
           13   14    11  falseSuccessor  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
           16   22    11  falseSuccessor  Lorg/graalvm/compiler/nodes/AbstractBeginNode;
           20   22    12          ifNode  Lorg/graalvm/compiler/nodes/IfNode;
      Exception table:
        from    to  target  type
           2    22      23  any
           1    25      25  any
    MethodParameters:
       Name  Flags
      guard  

  private void insertLoopExits(org.graalvm.compiler.nodes.DeoptimizeNode);
    descriptor: (Lorg/graalvm/compiler/nodes/DeoptimizeNode;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=5, args_size=2
        start local 0 // org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards this
        start local 1 // org.graalvm.compiler.nodes.DeoptimizeNode deopt
         0: .line 254
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards.block:Lorg/graalvm/compiler/nodes/cfg/Block;
            invokevirtual org.graalvm.compiler.nodes.cfg.Block.getLoop:()Lorg/graalvm/compiler/core/common/cfg/Loop;
            astore 2 /* loop */
        start local 2 // org.graalvm.compiler.core.common.cfg.Loop loop
         1: .line 255
            aload 1 /* deopt */
            invokevirtual org.graalvm.compiler.nodes.DeoptimizeNode.graph:()Lorg/graalvm/compiler/nodes/StructuredGraph;
            astore 3 /* graph */
        start local 3 // org.graalvm.compiler.nodes.StructuredGraph graph
         2: .line 256
            goto 6
         3: .line 257
      StackMap locals: org.graalvm.compiler.core.common.cfg.Loop org.graalvm.compiler.nodes.StructuredGraph
      StackMap stack:
            aload 3 /* graph */
            new org.graalvm.compiler.nodes.LoopExitNode
            dup
            aload 2 /* loop */
            invokevirtual org.graalvm.compiler.core.common.cfg.Loop.getHeader:()Lorg/graalvm/compiler/core/common/cfg/AbstractBlockBase;
            checkcast org.graalvm.compiler.nodes.cfg.Block
            invokevirtual org.graalvm.compiler.nodes.cfg.Block.getBeginNode:()Lorg/graalvm/compiler/nodes/AbstractBeginNode;
            checkcast org.graalvm.compiler.nodes.LoopBeginNode
            invokespecial org.graalvm.compiler.nodes.LoopExitNode.<init>:(Lorg/graalvm/compiler/nodes/LoopBeginNode;)V
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.add:(Lorg/graalvm/compiler/graph/Node;)Lorg/graalvm/compiler/graph/Node;
            checkcast org.graalvm.compiler.nodes.LoopExitNode
            astore 4 /* exit */
        start local 4 // org.graalvm.compiler.nodes.LoopExitNode exit
         4: .line 258
            aload 3 /* graph */
            aload 1 /* deopt */
            aload 4 /* exit */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.addBeforeFixed:(Lorg/graalvm/compiler/nodes/FixedNode;Lorg/graalvm/compiler/nodes/FixedWithNextNode;)V
         5: .line 259
            aload 2 /* loop */
            invokevirtual org.graalvm.compiler.core.common.cfg.Loop.getParent:()Lorg/graalvm/compiler/core/common/cfg/Loop;
            astore 2 /* loop */
        end local 4 // org.graalvm.compiler.nodes.LoopExitNode exit
         6: .line 256
      StackMap locals:
      StackMap stack:
            aload 2 /* loop */
            ifnonnull 3
         7: .line 261
            return
        end local 3 // org.graalvm.compiler.nodes.StructuredGraph graph
        end local 2 // org.graalvm.compiler.core.common.cfg.Loop loop
        end local 1 // org.graalvm.compiler.nodes.DeoptimizeNode deopt
        end local 0 // org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    8     0   this  Lorg/graalvm/compiler/phases/common/GuardLoweringPhase$LowerGuards;
            0    8     1  deopt  Lorg/graalvm/compiler/nodes/DeoptimizeNode;
            1    8     2   loop  Lorg/graalvm/compiler/core/common/cfg/Loop<Lorg/graalvm/compiler/nodes/cfg/Block;>;
            2    8     3  graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            4    6     4   exit  Lorg/graalvm/compiler/nodes/LoopExitNode;
    MethodParameters:
       Name  Flags
      deopt  
}
SourceFile: "GuardLoweringPhase.java"
NestHost: org.graalvm.compiler.phases.common.GuardLoweringPhase
InnerClasses:
  private LowerGuards = org.graalvm.compiler.phases.common.GuardLoweringPhase$LowerGuards of org.graalvm.compiler.phases.common.GuardLoweringPhase
/

java/ 9/ jdk.internal.vm.compiler/org/graalvm/compiler/phases/common/GuardLoweringPhase$LowerGuards.class
