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

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  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 
  25 package org.graalvm.compiler.replacements.nodes.arithmetic;
  26 
  27 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_2;
  28 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_2;
  29 
  30 import org.graalvm.compiler.core.common.type.Stamp;
  31 import org.graalvm.compiler.graph.NodeClass;
  32 import org.graalvm.compiler.graph.spi.Simplifiable;
  33 import org.graalvm.compiler.nodeinfo.NodeInfo;
  34 import org.graalvm.compiler.nodes.AbstractBeginNode;
  35 import org.graalvm.compiler.nodes.BeginNode;
  36 import org.graalvm.compiler.nodes.ControlSplitNode;
  37 import org.graalvm.compiler.nodes.DeoptimizeNode;
  38 import org.graalvm.compiler.nodes.FixedNode;
  39 import org.graalvm.compiler.nodes.FixedWithNextNode;
  40 import org.graalvm.compiler.nodes.StructuredGraph;
  41 import org.graalvm.compiler.nodes.ValueNode;
  42 import org.graalvm.compiler.nodes.calc.FloatingNode;
  43 import org.graalvm.compiler.nodes.spi.LIRLowerable;
  44 import org.graalvm.compiler.nodes.spi.LoweringTool;
  45 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
  46 
  47 import jdk.vm.ci.meta.DeoptimizationAction;
  48 import jdk.vm.ci.meta.DeoptimizationReason;
  49 import jdk.vm.ci.meta.SpeculationLog;
  50 import jdk.vm.ci.meta.Value;
  51 
  52 @NodeInfo(cycles = CYCLES_2, cyclesRationale = "add+cmp", size = SIZE_2)
  53 public abstract class IntegerExactArithmeticSplitNode extends ControlSplitNode implements Simplifiable, LIRLowerable {
  54     public static final NodeClass<IntegerExactArithmeticSplitNode> TYPE = NodeClass.create(IntegerExactArithmeticSplitNode.class);
  55 
  56     @Successor AbstractBeginNode next;
  57     @Successor AbstractBeginNode overflowSuccessor;
  58     @Input ValueNode x;
  59     @Input ValueNode y;
  60 
  61     protected IntegerExactArithmeticSplitNode(NodeClass<? extends IntegerExactArithmeticSplitNode> c, Stamp stamp, ValueNode x, ValueNode y, AbstractBeginNode next,
  62                     AbstractBeginNode overflowSuccessor) {
  63         super(c, stamp);
  64         this.x = x;
  65         this.y = y;
  66         this.overflowSuccessor = overflowSuccessor;
  67         this.next = next;
  68     }
  69 


  99     public void setOverflowSuccessor(AbstractBeginNode overflowSuccessor) {
 100         updatePredecessor(this.overflowSuccessor, overflowSuccessor);
 101         this.overflowSuccessor = overflowSuccessor;
 102     }
 103 
 104     public ValueNode getX() {
 105         return x;
 106     }
 107 
 108     public ValueNode getY() {
 109         return y;
 110     }
 111 
 112     @Override
 113     public void generate(NodeLIRBuilderTool generator) {
 114         generator.setResult(this, generateArithmetic(generator));
 115         generator.emitOverflowCheckBranch(getOverflowSuccessor(), getNext(), stamp, probability(getOverflowSuccessor()));
 116     }
 117 
 118     protected abstract Value generateArithmetic(NodeLIRBuilderTool generator);
 119 
 120     static void lower(LoweringTool tool, IntegerExactArithmeticNode node) {
 121         if (node.asNode().graph().getGuardsStage() == StructuredGraph.GuardsStage.FIXED_DEOPTS) {
 122             FloatingNode floatingNode = (FloatingNode) node;
 123             FixedWithNextNode previous = tool.lastFixedNode();
 124             FixedNode next = previous.next();
 125             previous.setNext(null);
 126             StructuredGraph graph = floatingNode.graph();
 127             DeoptimizeNode deopt = graph.add(new DeoptimizeNode(DeoptimizationAction.InvalidateReprofile, DeoptimizationReason.ArithmeticException,
 128                             node.getSpeculation() == null ? SpeculationLog.NO_SPECULATION : graph.getSpeculationLog().speculate(node.getSpeculation())));
 129             AbstractBeginNode normalBegin = graph.add(new BeginNode());
 130             normalBegin.setNext(next);
 131             IntegerExactArithmeticSplitNode split = node.createSplit(normalBegin, BeginNode.begin(deopt));
 132             previous.setNext(split);
 133             floatingNode.replaceAndDelete(split);
 134         }
 135     }
 136 
 137     @Override
 138     public int getSuccessorCount() {
 139         return 2;
 140     }
 141 }


  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 
  25 package org.graalvm.compiler.replacements.nodes.arithmetic;
  26 
  27 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_2;
  28 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_2;
  29 
  30 import org.graalvm.compiler.core.common.type.Stamp;
  31 import org.graalvm.compiler.graph.NodeClass;
  32 import org.graalvm.compiler.graph.spi.Simplifiable;
  33 import org.graalvm.compiler.nodeinfo.NodeInfo;
  34 import org.graalvm.compiler.nodes.AbstractBeginNode;

  35 import org.graalvm.compiler.nodes.ControlSplitNode;




  36 import org.graalvm.compiler.nodes.ValueNode;

  37 import org.graalvm.compiler.nodes.spi.LIRLowerable;

  38 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
  39 



  40 import jdk.vm.ci.meta.Value;
  41 
  42 @NodeInfo(cycles = CYCLES_2, cyclesRationale = "add+cmp", size = SIZE_2)
  43 public abstract class IntegerExactArithmeticSplitNode extends ControlSplitNode implements Simplifiable, LIRLowerable {
  44     public static final NodeClass<IntegerExactArithmeticSplitNode> TYPE = NodeClass.create(IntegerExactArithmeticSplitNode.class);
  45 
  46     @Successor AbstractBeginNode next;
  47     @Successor AbstractBeginNode overflowSuccessor;
  48     @Input ValueNode x;
  49     @Input ValueNode y;
  50 
  51     protected IntegerExactArithmeticSplitNode(NodeClass<? extends IntegerExactArithmeticSplitNode> c, Stamp stamp, ValueNode x, ValueNode y, AbstractBeginNode next,
  52                     AbstractBeginNode overflowSuccessor) {
  53         super(c, stamp);
  54         this.x = x;
  55         this.y = y;
  56         this.overflowSuccessor = overflowSuccessor;
  57         this.next = next;
  58     }
  59 


  89     public void setOverflowSuccessor(AbstractBeginNode overflowSuccessor) {
  90         updatePredecessor(this.overflowSuccessor, overflowSuccessor);
  91         this.overflowSuccessor = overflowSuccessor;
  92     }
  93 
  94     public ValueNode getX() {
  95         return x;
  96     }
  97 
  98     public ValueNode getY() {
  99         return y;
 100     }
 101 
 102     @Override
 103     public void generate(NodeLIRBuilderTool generator) {
 104         generator.setResult(this, generateArithmetic(generator));
 105         generator.emitOverflowCheckBranch(getOverflowSuccessor(), getNext(), stamp, probability(getOverflowSuccessor()));
 106     }
 107 
 108     protected abstract Value generateArithmetic(NodeLIRBuilderTool generator);

















 109 
 110     @Override
 111     public int getSuccessorCount() {
 112         return 2;
 113     }
 114 }
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