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

Example 91 with ValueNode

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

the class IntegerConvertNode method convert.

public static ValueNode convert(ValueNode input, Stamp stamp, boolean zeroExtend, NodeView view) {
    IntegerStamp fromStamp = (IntegerStamp) input.stamp(view);
    IntegerStamp toStamp = (IntegerStamp) stamp;
    ValueNode result;
    if (toStamp.getBits() == fromStamp.getBits()) {
        result = input;
    } else if (toStamp.getBits() < fromStamp.getBits()) {
        result = new NarrowNode(input, fromStamp.getBits(), toStamp.getBits());
    } else if (zeroExtend) {
        // toStamp.getBits() > fromStamp.getBits()
        result = ZeroExtendNode.create(input, toStamp.getBits(), view);
    } else {
        // toStamp.getBits() > fromStamp.getBits()
        result = SignExtendNode.create(input, toStamp.getBits(), view);
    }
    IntegerStamp resultStamp = (IntegerStamp) result.stamp(view);
    assert toStamp.getBits() == resultStamp.getBits();
    return result;
}

Example 92 with ValueNode

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

the class UnpackEndianHalfNode method lower.

public void lower(ByteOrder byteOrder) {
    ValueNode result = value;
    if (value.getStackKind() == JavaKind.Double) {
        result = graph().unique(new ReinterpretNode(JavaKind.Long, value));
    }
    if ((byteOrder == ByteOrder.BIG_ENDIAN) == firstHalf) {
        result = graph().unique(new UnsignedRightShiftNode(result, ConstantNode.forInt(32, graph())));
    }
    result = IntegerConvertNode.convert(result, StampFactory.forKind(JavaKind.Int), graph(), NodeView.DEFAULT);
    replaceAtUsagesAndDelete(result);
}

Example 93 with ValueNode

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

the class UnsignedRightShiftNode method canonical.

@Override
public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) {
    NodeView view = NodeView.from(tool);
    ValueNode ret = super.canonical(tool, forX, forY);
    if (ret != this) {
        return ret;
    }
    return canonical(this, this.getArithmeticOp(), this.stamp(view), forX, forY, view);
}

Example 94 with ValueNode

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

the class ZeroExtendNode method canonical.

@Override
public ValueNode canonical(CanonicalizerTool tool, ValueNode forValue) {
    NodeView view = NodeView.from(tool);
    ValueNode ret = super.canonical(tool, forValue);
    if (ret != this) {
        return ret;
    }
    return canonical(this, forValue, getInputBits(), getResultBits(), view, inputAlwaysPositive);
}

Example 95 with ValueNode

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

the class ZeroExtendNode method create.

public static ValueNode create(ValueNode input, int inputBits, int resultBits, NodeView view, boolean alwaysPositive) {
    IntegerConvertOp<ZeroExtend> signExtend = ArithmeticOpTable.forStamp(input.stamp(view)).getZeroExtend();
    ValueNode synonym = findSynonym(signExtend, input, inputBits, resultBits, signExtend.foldStamp(inputBits, resultBits, input.stamp(view)));
    if (synonym != null) {
        return synonym;
    }
    return canonical(null, input, inputBits, resultBits, view, alwaysPositive);
}