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src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements/src/org/graalvm/compiler/replacements/nodes/arithmetic/IntegerMulExactNode.java

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@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -30,38 +30,35 @@
 import org.graalvm.compiler.core.common.type.IntegerStamp;
 import org.graalvm.compiler.graph.NodeClass;
 import org.graalvm.compiler.graph.spi.CanonicalizerTool;
 import org.graalvm.compiler.nodeinfo.InputType;
 import org.graalvm.compiler.nodeinfo.NodeInfo;
-import org.graalvm.compiler.nodes.AbstractBeginNode;
 import org.graalvm.compiler.nodes.ConstantNode;
 import org.graalvm.compiler.nodes.NodeView;
 import org.graalvm.compiler.nodes.ValueNode;
 import org.graalvm.compiler.nodes.calc.MulNode;
-import org.graalvm.compiler.nodes.extended.AnchoringNode;
-import org.graalvm.compiler.nodes.spi.LoweringTool;
+import org.graalvm.compiler.nodes.extended.GuardedNode;
+import org.graalvm.compiler.nodes.extended.GuardingNode;
 
 import jdk.vm.ci.meta.JavaConstant;
 import jdk.vm.ci.meta.JavaKind;
-import jdk.vm.ci.meta.SpeculationLog.SpeculationReason;
 
 /**
  * Node representing an exact integer multiplication that will throw an {@link ArithmeticException}
  * in case the addition would overflow the 32 bit range.
  */
 @NodeInfo(cycles = CYCLES_4, cyclesRationale = "mul+cmp", size = SIZE_2)
-public final class IntegerMulExactNode extends MulNode implements IntegerExactArithmeticNode {
+public final class IntegerMulExactNode extends MulNode implements GuardedNode, IntegerExactArithmeticNode {
     public static final NodeClass<IntegerMulExactNode> TYPE = NodeClass.create(IntegerMulExactNode.class);
 
-    @OptionalInput(InputType.Anchor) protected AnchoringNode anchor;
-    protected final SpeculationReason speculation;
+    @Input(InputType.Guard) protected GuardingNode guard;
 
-    public IntegerMulExactNode(ValueNode x, ValueNode y, SpeculationReason speculation) {
+    public IntegerMulExactNode(ValueNode x, ValueNode y, GuardingNode guard) {
         super(TYPE, x, y);
         setStamp(x.stamp(NodeView.DEFAULT).unrestricted());
         assert x.stamp(NodeView.DEFAULT).isCompatible(y.stamp(NodeView.DEFAULT)) && x.stamp(NodeView.DEFAULT) instanceof IntegerStamp;
-        this.speculation = speculation;
+        this.guard = guard;
     }
 
     @Override
     public boolean inferStamp() {
         /*

@@ -74,14 +71,14 @@
     }
 
     @Override
     public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) {
         if (forX.isConstant() && !forY.isConstant()) {
-            return new IntegerMulExactNode(forY, forX, speculation).canonical(tool);
+            return new IntegerMulExactNode(forY, forX, guard).canonical(tool);
         }
-        if (forX.isConstant()) {
-            return canonicalXconstant(forX, forY);
+        if (forX.isConstant() && forY.isConstant()) {
+            return canonicalXYconstant(forX, forY);
         } else if (forY.isConstant()) {
             long c = forY.asJavaConstant().asLong();
             if (c == 1) {
                 return forX;
             }

@@ -93,11 +90,11 @@
             return new MulNode(x, y).canonical(tool);
         }
         return this;
     }
 
-    private ValueNode canonicalXconstant(ValueNode forX, ValueNode forY) {
+    private ValueNode canonicalXYconstant(ValueNode forX, ValueNode forY) {
         JavaConstant xConst = forX.asJavaConstant();
         JavaConstant yConst = forY.asJavaConstant();
         assert xConst.getJavaKind() == yConst.getJavaKind();
         try {
             if (xConst.getJavaKind() == JavaKind.Int) {

@@ -111,30 +108,15 @@
         }
         return this;
     }
 
     @Override
-    public IntegerExactArithmeticSplitNode createSplit(AbstractBeginNode next, AbstractBeginNode deopt) {
-        return graph().add(new IntegerMulExactSplitNode(stamp(NodeView.DEFAULT), getX(), getY(), next, deopt));
+    public GuardingNode getGuard() {
+        return guard;
     }
 
     @Override
-    public SpeculationReason getSpeculation() {
-        return speculation;
-    }
-
-    @Override
-    public AnchoringNode getAnchor() {
-        return anchor;
-    }
-
-    @Override
-    public void setAnchor(AnchoringNode x) {
-        updateUsagesInterface(this.anchor, x);
-        this.anchor = x;
-    }
-
-    @Override
-    public void lower(LoweringTool tool) {
-        IntegerExactArithmeticSplitNode.lower(tool, this);
+    public void setGuard(GuardingNode guard) {
+        updateUsagesInterface(this.guard, guard);
+        this.guard = guard;
     }
 }
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