java/15 : jdk.internal.vm.compiler/org/graalvm/compiler/loop/phases/LoopSafepointEliminationPhase.class

LoopSafepointEliminationPhase
https://openjdk.java.net/
GPLv2 + Classpath Exception
public class org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase extends org.graalvm.compiler.phases.BasePhase<org.graalvm.compiler.phases.tiers.MidTierContext>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase
  super_class: org.graalvm.compiler.phases.BasePhase
{
  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 38
            ldc Lorg/graalvm/compiler/loop/phases/LoopSafepointEliminationPhase;
            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.loop.phases.LoopSafepointEliminationPhase.$assertionsDisabled:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase this
         0: .line 38
            aload 0 /* this */
            invokespecial org.graalvm.compiler.phases.BasePhase.<init>:()V
            return
        end local 0 // org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/compiler/loop/phases/LoopSafepointEliminationPhase;

  protected void run(org.graalvm.compiler.nodes.StructuredGraph, org.graalvm.compiler.phases.tiers.MidTierContext);
    descriptor: (Lorg/graalvm/compiler/nodes/StructuredGraph;Lorg/graalvm/compiler/phases/tiers/MidTierContext;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=11, args_size=3
        start local 0 // org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase this
        start local 1 // org.graalvm.compiler.nodes.StructuredGraph graph
        start local 2 // org.graalvm.compiler.phases.tiers.MidTierContext context
         0: .line 42
            new org.graalvm.compiler.loop.LoopsData
            dup
            aload 1 /* graph */
            invokespecial org.graalvm.compiler.loop.LoopsData.<init>:(Lorg/graalvm/compiler/nodes/StructuredGraph;)V
            astore 3 /* loops */
        start local 3 // org.graalvm.compiler.loop.LoopsData loops
         1: .line 43
            aload 3 /* loops */
            invokevirtual org.graalvm.compiler.loop.LoopsData.detectedCountedLoops:()V
         2: .line 44
            aload 3 /* loops */
            invokevirtual org.graalvm.compiler.loop.LoopsData.countedLoops:()Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 5
            goto 15
      StackMap locals: org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase org.graalvm.compiler.nodes.StructuredGraph org.graalvm.compiler.phases.tiers.MidTierContext org.graalvm.compiler.loop.LoopsData top java.util.Iterator
      StackMap stack:
         3: aload 5
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.graalvm.compiler.loop.LoopEx
            astore 4 /* loop */
        start local 4 // org.graalvm.compiler.loop.LoopEx loop
         4: .line 45
            aload 4 /* loop */
            invokevirtual org.graalvm.compiler.loop.LoopEx.loop:()Lorg/graalvm/compiler/core/common/cfg/Loop;
            invokevirtual org.graalvm.compiler.core.common.cfg.Loop.getChildren:()Ljava/util/List;
            invokeinterface java.util.List.isEmpty:()Z
            ifeq 15
            aload 4 /* loop */
            invokevirtual org.graalvm.compiler.loop.LoopEx.counted:()Lorg/graalvm/compiler/loop/CountedLoopInfo;
            invokevirtual org.graalvm.compiler.loop.CountedLoopInfo.getStamp:()Lorg/graalvm/compiler/core/common/type/IntegerStamp;
            invokevirtual org.graalvm.compiler.core.common.type.IntegerStamp.getBits:()I
            bipush 32
            if_icmpgt 15
         5: .line 46
            iconst_0
            istore 6 /* hasSafepoint */
        start local 6 // boolean hasSafepoint
         6: .line 47
            aload 4 /* loop */
            invokevirtual org.graalvm.compiler.loop.LoopEx.loopBegin:()Lorg/graalvm/compiler/nodes/LoopBeginNode;
            invokevirtual org.graalvm.compiler.nodes.LoopBeginNode.loopEnds:()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            invokeinterface org.graalvm.compiler.graph.iterators.NodeIterable.iterator:()Ljava/util/Iterator;
            astore 8
            goto 9
      StackMap locals: org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase org.graalvm.compiler.nodes.StructuredGraph org.graalvm.compiler.phases.tiers.MidTierContext org.graalvm.compiler.loop.LoopsData org.graalvm.compiler.loop.LoopEx java.util.Iterator int top java.util.Iterator
      StackMap stack:
         7: aload 8
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.graalvm.compiler.nodes.LoopEndNode
            astore 7 /* loopEnd */
        start local 7 // org.graalvm.compiler.nodes.LoopEndNode loopEnd
         8: .line 48
            iload 6 /* hasSafepoint */
            aload 7 /* loopEnd */
            invokevirtual org.graalvm.compiler.nodes.LoopEndNode.canSafepoint:()Z
            ior
            istore 6 /* hasSafepoint */
        end local 7 // org.graalvm.compiler.nodes.LoopEndNode loopEnd
         9: .line 47
      StackMap locals:
      StackMap stack:
            aload 8
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 7
        10: .line 50
            iload 6 /* hasSafepoint */
            ifeq 15
        11: .line 51
            aload 4 /* loop */
            invokevirtual org.graalvm.compiler.loop.LoopEx.counted:()Lorg/graalvm/compiler/loop/CountedLoopInfo;
            invokevirtual org.graalvm.compiler.loop.CountedLoopInfo.counterNeverOverflows:()Z
            ifne 14
        12: .line 53
            aload 2 /* context */
            invokevirtual org.graalvm.compiler.phases.tiers.MidTierContext.getOptimisticOptimizations:()Lorg/graalvm/compiler/phases/OptimisticOptimizations;
            aload 1 /* graph */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.getOptions:()Lorg/graalvm/compiler/options/OptionValues;
            invokevirtual org.graalvm.compiler.phases.OptimisticOptimizations.useLoopLimitChecks:(Lorg/graalvm/compiler/options/OptionValues;)Z
            ifeq 15
            aload 1 /* graph */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.getGuardsStage:()Lorg/graalvm/compiler/nodes/StructuredGraph$GuardsStage;
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph$GuardsStage.allowsFloatingGuards:()Z
            ifeq 15
        13: .line 54
            aload 4 /* loop */
            invokevirtual org.graalvm.compiler.loop.LoopEx.counted:()Lorg/graalvm/compiler/loop/CountedLoopInfo;
            invokevirtual org.graalvm.compiler.loop.CountedLoopInfo.createOverFlowGuard:()Lorg/graalvm/compiler/nodes/extended/GuardingNode;
            pop
        14: .line 60
      StackMap locals: org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase org.graalvm.compiler.nodes.StructuredGraph org.graalvm.compiler.phases.tiers.MidTierContext org.graalvm.compiler.loop.LoopsData org.graalvm.compiler.loop.LoopEx java.util.Iterator int
      StackMap stack:
            aload 4 /* loop */
            invokevirtual org.graalvm.compiler.loop.LoopEx.loopBegin:()Lorg/graalvm/compiler/nodes/LoopBeginNode;
            invokevirtual org.graalvm.compiler.nodes.LoopBeginNode.disableSafepoint:()V
        end local 6 // boolean hasSafepoint
        end local 4 // org.graalvm.compiler.loop.LoopEx loop
        15: .line 44
      StackMap locals: org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase org.graalvm.compiler.nodes.StructuredGraph org.graalvm.compiler.phases.tiers.MidTierContext org.graalvm.compiler.loop.LoopsData top java.util.Iterator
      StackMap stack:
            aload 5
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
        16: .line 64
            aload 3 /* loops */
            invokevirtual org.graalvm.compiler.loop.LoopsData.loops:()Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 5
            goto 32
      StackMap locals:
      StackMap stack:
        17: aload 5
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.graalvm.compiler.loop.LoopEx
            astore 4 /* loop */
        start local 4 // org.graalvm.compiler.loop.LoopEx loop
        18: .line 65
            aload 4 /* loop */
            invokevirtual org.graalvm.compiler.loop.LoopEx.loopBegin:()Lorg/graalvm/compiler/nodes/LoopBeginNode;
            invokevirtual org.graalvm.compiler.nodes.LoopBeginNode.loopEnds:()Lorg/graalvm/compiler/graph/iterators/NodeIterable;
            invokeinterface org.graalvm.compiler.graph.iterators.NodeIterable.iterator:()Ljava/util/Iterator;
            astore 7
            goto 31
      StackMap locals: org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase org.graalvm.compiler.nodes.StructuredGraph org.graalvm.compiler.phases.tiers.MidTierContext org.graalvm.compiler.loop.LoopsData org.graalvm.compiler.loop.LoopEx java.util.Iterator top java.util.Iterator
      StackMap stack:
        19: aload 7
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.graalvm.compiler.nodes.LoopEndNode
            astore 6 /* loopEnd */
        start local 6 // org.graalvm.compiler.nodes.LoopEndNode loopEnd
        20: .line 66
            aload 3 /* loops */
            invokevirtual org.graalvm.compiler.loop.LoopsData.getCFG:()Lorg/graalvm/compiler/nodes/cfg/ControlFlowGraph;
            aload 6 /* loopEnd */
            invokevirtual org.graalvm.compiler.nodes.cfg.ControlFlowGraph.blockFor:(Lorg/graalvm/compiler/graph/Node;)Lorg/graalvm/compiler/nodes/cfg/Block;
            astore 8 /* b */
        start local 8 // org.graalvm.compiler.nodes.cfg.Block b
        21: .line 67
            goto 30
        22: .line 68
      StackMap locals: org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase org.graalvm.compiler.nodes.StructuredGraph org.graalvm.compiler.phases.tiers.MidTierContext org.graalvm.compiler.loop.LoopsData org.graalvm.compiler.loop.LoopEx java.util.Iterator org.graalvm.compiler.nodes.LoopEndNode java.util.Iterator org.graalvm.compiler.nodes.cfg.Block
      StackMap stack:
            getstatic org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase.$assertionsDisabled:Z
            ifne 23
            aload 8 /* b */
            ifnonnull 23
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        23: .line 69
      StackMap locals:
      StackMap stack:
            aload 8 /* b */
            invokevirtual org.graalvm.compiler.nodes.cfg.Block.getNodes:()Ljava/lang/Iterable;
            invokeinterface java.lang.Iterable.iterator:()Ljava/util/Iterator;
            astore 10
            goto 28
      StackMap locals: org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase org.graalvm.compiler.nodes.StructuredGraph org.graalvm.compiler.phases.tiers.MidTierContext org.graalvm.compiler.loop.LoopsData org.graalvm.compiler.loop.LoopEx java.util.Iterator org.graalvm.compiler.nodes.LoopEndNode java.util.Iterator org.graalvm.compiler.nodes.cfg.Block top java.util.Iterator
      StackMap stack:
        24: aload 10
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.graalvm.compiler.nodes.FixedNode
            astore 9 /* node */
        start local 9 // org.graalvm.compiler.nodes.FixedNode node
        25: .line 70
            aload 9 /* node */
            instanceof org.graalvm.compiler.nodes.Invoke
            ifne 26
            aload 9 /* node */
            instanceof org.graalvm.compiler.nodes.extended.ForeignCallNode
            ifeq 28
            aload 9 /* node */
            checkcast org.graalvm.compiler.nodes.extended.ForeignCallNode
            invokevirtual org.graalvm.compiler.nodes.extended.ForeignCallNode.isGuaranteedSafepoint:()Z
            ifeq 28
        26: .line 71
      StackMap locals: org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase org.graalvm.compiler.nodes.StructuredGraph org.graalvm.compiler.phases.tiers.MidTierContext org.graalvm.compiler.loop.LoopsData org.graalvm.compiler.loop.LoopEx java.util.Iterator org.graalvm.compiler.nodes.LoopEndNode java.util.Iterator org.graalvm.compiler.nodes.cfg.Block org.graalvm.compiler.nodes.FixedNode java.util.Iterator
      StackMap stack:
            aload 6 /* loopEnd */
            invokevirtual org.graalvm.compiler.nodes.LoopEndNode.disableSafepoint:()V
        27: .line 72
            goto 31
        end local 9 // org.graalvm.compiler.nodes.FixedNode node
        28: .line 69
      StackMap locals: org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase org.graalvm.compiler.nodes.StructuredGraph org.graalvm.compiler.phases.tiers.MidTierContext org.graalvm.compiler.loop.LoopsData org.graalvm.compiler.loop.LoopEx java.util.Iterator org.graalvm.compiler.nodes.LoopEndNode java.util.Iterator org.graalvm.compiler.nodes.cfg.Block top java.util.Iterator
      StackMap stack:
            aload 10
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 24
        29: .line 75
            aload 8 /* b */
            invokevirtual org.graalvm.compiler.nodes.cfg.Block.getDominator:()Lorg/graalvm/compiler/core/common/cfg/AbstractBlockBase;
            checkcast org.graalvm.compiler.nodes.cfg.Block
            astore 8 /* b */
        30: .line 67
      StackMap locals: org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase org.graalvm.compiler.nodes.StructuredGraph org.graalvm.compiler.phases.tiers.MidTierContext org.graalvm.compiler.loop.LoopsData org.graalvm.compiler.loop.LoopEx java.util.Iterator org.graalvm.compiler.nodes.LoopEndNode java.util.Iterator org.graalvm.compiler.nodes.cfg.Block
      StackMap stack:
            aload 8 /* b */
            aload 4 /* loop */
            invokevirtual org.graalvm.compiler.loop.LoopEx.loop:()Lorg/graalvm/compiler/core/common/cfg/Loop;
            invokevirtual org.graalvm.compiler.core.common.cfg.Loop.getHeader:()Lorg/graalvm/compiler/core/common/cfg/AbstractBlockBase;
            if_acmpne 22
        end local 8 // org.graalvm.compiler.nodes.cfg.Block b
        end local 6 // org.graalvm.compiler.nodes.LoopEndNode loopEnd
        31: .line 65
      StackMap locals: org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase org.graalvm.compiler.nodes.StructuredGraph org.graalvm.compiler.phases.tiers.MidTierContext org.graalvm.compiler.loop.LoopsData org.graalvm.compiler.loop.LoopEx java.util.Iterator top java.util.Iterator
      StackMap stack:
            aload 7
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 19
        end local 4 // org.graalvm.compiler.loop.LoopEx loop
        32: .line 64
      StackMap locals: org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase org.graalvm.compiler.nodes.StructuredGraph org.graalvm.compiler.phases.tiers.MidTierContext org.graalvm.compiler.loop.LoopsData top java.util.Iterator
      StackMap stack:
            aload 5
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 17
        33: .line 79
            aload 3 /* loops */
            invokevirtual org.graalvm.compiler.loop.LoopsData.deleteUnusedNodes:()V
        34: .line 80
            return
        end local 3 // org.graalvm.compiler.loop.LoopsData loops
        end local 2 // org.graalvm.compiler.phases.tiers.MidTierContext context
        end local 1 // org.graalvm.compiler.nodes.StructuredGraph graph
        end local 0 // org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0   35     0          this  Lorg/graalvm/compiler/loop/phases/LoopSafepointEliminationPhase;
            0   35     1         graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            0   35     2       context  Lorg/graalvm/compiler/phases/tiers/MidTierContext;
            1   35     3         loops  Lorg/graalvm/compiler/loop/LoopsData;
            4   15     4          loop  Lorg/graalvm/compiler/loop/LoopEx;
            6   15     6  hasSafepoint  Z
            8    9     7       loopEnd  Lorg/graalvm/compiler/nodes/LoopEndNode;
           18   32     4          loop  Lorg/graalvm/compiler/loop/LoopEx;
           20   31     6       loopEnd  Lorg/graalvm/compiler/nodes/LoopEndNode;
           21   31     8             b  Lorg/graalvm/compiler/nodes/cfg/Block;
           25   28     9          node  Lorg/graalvm/compiler/nodes/FixedNode;
    MethodParameters:
         Name  Flags
      graph    
      context  

  protected void run(org.graalvm.compiler.nodes.StructuredGraph, java.lang.Object);
    descriptor: (Lorg/graalvm/compiler/nodes/StructuredGraph;Ljava/lang/Object;)V
    flags: (0x1044) ACC_PROTECTED, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=3, locals=3, args_size=3
         0: .line 1
            aload 0
            aload 1
            aload 2
            checkcast org.graalvm.compiler.phases.tiers.MidTierContext
            invokevirtual org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase.run:(Lorg/graalvm/compiler/nodes/StructuredGraph;Lorg/graalvm/compiler/phases/tiers/MidTierContext;)V
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Lorg/graalvm/compiler/phases/BasePhase<Lorg/graalvm/compiler/phases/tiers/MidTierContext;>;
SourceFile: "LoopSafepointEliminationPhase.java"
InnerClasses:
  public final GuardsStage = org.graalvm.compiler.nodes.StructuredGraph$GuardsStage of org.graalvm.compiler.nodes.StructuredGraph
/

java/ 15/ jdk.internal.vm.compiler/org/graalvm/compiler/loop/phases/LoopSafepointEliminationPhase.class
