Examples with ValueNode org.graalvm.compiler.nodes.ValueNode used on opensource projects

Example 76 with ValueNode

use of org.graalvm.compiler.nodes.ValueNode in project graal by oracle.

the class IsNullNode method virtualize.

@Override
public void virtualize(VirtualizerTool tool) {
    ValueNode alias = tool.getAlias(getValue());
    TriState fold = tryFold(alias.stamp(NodeView.DEFAULT));
    if (fold != TriState.UNKNOWN) {
        tool.replaceWithValue(LogicConstantNode.forBoolean(fold.isTrue(), graph()));
    }
}

Example 77 with ValueNode

use of org.graalvm.compiler.nodes.ValueNode in project graal by oracle.

the class LeftShiftNode method create.

public static ValueNode create(ValueNode x, ValueNode y, NodeView view) {
    ArithmeticOpTable.ShiftOp<Shl> op = ArithmeticOpTable.forStamp(x.stamp(view)).getShl();
    Stamp stamp = op.foldStamp(x.stamp(view), (IntegerStamp) y.stamp(view));
    ValueNode value = ShiftNode.canonical(op, stamp, x, y, view);
    if (value != null) {
        return value;
    }
    return canonical(null, op, stamp, x, y);
}

Example 78 with ValueNode

use of org.graalvm.compiler.nodes.ValueNode in project graal by oracle.

the class MulNode method canonical.

@Override
public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) {
    ValueNode ret = super.canonical(tool, forX, forY);
    if (ret != this) {
        return ret;
    }
    if (forX.isConstant() && !forY.isConstant()) {
        // we try to swap and canonicalize
        ValueNode improvement = canonical(tool, forY, forX);
        if (improvement != this) {
            return improvement;
        }
        // if this fails we only swap
        return new MulNode(forY, forX);
    }
    BinaryOp<Mul> op = getOp(forX, forY);
    NodeView view = NodeView.from(tool);
    return canonical(this, op, stamp(view), forX, forY, view);
}

Example 79 with ValueNode

use of org.graalvm.compiler.nodes.ValueNode in project graal by oracle.

the class NarrowNode method create.

public static ValueNode create(ValueNode input, int inputBits, int resultBits, NodeView view) {
    IntegerConvertOp<Narrow> signExtend = ArithmeticOpTable.forStamp(input.stamp(view)).getNarrow();
    ValueNode synonym = findSynonym(signExtend, input, inputBits, resultBits, signExtend.foldStamp(inputBits, resultBits, input.stamp(view)));
    if (synonym != null) {
        return synonym;
    } else {
        return new NarrowNode(input, inputBits, resultBits);
    }
}

Example 80 with ValueNode

use of org.graalvm.compiler.nodes.ValueNode in project graal by oracle.

the class NormalizeCompareNode method canonical.

@Override
public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) {
    NodeView view = NodeView.from(tool);
    ValueNode result = tryConstantFold(x, y, isUnorderedLess, stamp(view).getStackKind(), tool.getConstantReflection());
    if (result != null) {
        return result;
    }
    return this;
}