Examples with SubNode org.graalvm.compiler.nodes.calc.SubNode used on opensource projects

Example 6 with SubNode

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

the class BasicInductionVariable method direction.

@Override
public Direction direction() {
    Stamp stamp = rawStride.stamp(NodeView.DEFAULT);
    if (stamp instanceof IntegerStamp) {
        IntegerStamp integerStamp = (IntegerStamp) stamp;
        Direction dir = null;
        if (integerStamp.isStrictlyPositive()) {
            dir = Direction.Up;
        } else if (integerStamp.isStrictlyNegative()) {
            dir = Direction.Down;
        }
        if (dir != null) {
            if (op instanceof AddNode) {
                return dir;
            } else {
                assert op instanceof SubNode;
                return dir.opposite();
            }
        }
    }
    return null;
}