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 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
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 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
 * endorse or promote products derived from this software without specific prior written
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package com.oracle.truffle.llvm.runtime.nodes.others;

import com.oracle.truffle.api.dsl.NodeChild;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.profiles.ConditionProfile;
import com.oracle.truffle.llvm.runtime.floating.LLVM80BitFloat;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode;
import com.oracle.truffle.llvm.runtime.pointer.LLVMPointer;

@NodeChild(type = LLVMExpressionNode.class)
@NodeChild(type = LLVMExpressionNode.class)
@NodeChild(type = LLVMExpressionNode.class)
public abstract class LLVMSelectNode extends LLVMExpressionNode {
    protected final ConditionProfile conditionProfile = ConditionProfile.createCountingProfile();

    public abstract static class LLVMI1SelectNode extends LLVMSelectNode {

        @Specialization
        protected boolean doOp(boolean cond, boolean trueBranch, boolean elseBranch) {
            return conditionProfile.profile(cond) ? trueBranch : elseBranch;
        }
    }

    public abstract static class LLVMI8SelectNode extends LLVMSelectNode {

        @Specialization
        protected byte doOp(boolean cond, byte trueBranch, byte elseBranch) {
            return conditionProfile.profile(cond) ? trueBranch : elseBranch;
        }
    }

    public abstract static class LLVMI16SelectNode extends LLVMSelectNode {

        @Specialization
        protected short doOp(boolean cond, short trueBranch, short elseBranch) {
            return conditionProfile.profile(cond) ? trueBranch : elseBranch;
        }
    }

    public abstract static class LLVMI32SelectNode extends LLVMSelectNode {

        @Specialization
        protected int doOp(boolean cond, int trueBranch, int elseBranch) {
            return conditionProfile.profile(cond) ? trueBranch : elseBranch;
        }
    }

    public abstract static class LLVMI64SelectNode extends LLVMSelectNode {

        @Specialization
        protected Object doOp(boolean cond, Object trueBranch, Object elseBranch) {
            assert trueBranch instanceof Long || LLVMPointer.isInstance(trueBranch);
            assert elseBranch instanceof Long || LLVMPointer.isInstance(elseBranch);
            return conditionProfile.profile(cond) ? trueBranch : elseBranch;
        }
    }

    public abstract static class LLVMFloatSelectNode extends LLVMSelectNode {

        @Specialization
        protected float doOp(boolean cond, float trueBranch, float elseBranch) {
            return conditionProfile.profile(cond) ? trueBranch : elseBranch;
        }
    }

    public abstract static class LLVMDoubleSelectNode extends LLVMSelectNode {

        @Specialization
        protected double doOp(boolean cond, double trueBranch, double elseBranch) {
            return conditionProfile.profile(cond) ? trueBranch : elseBranch;
        }
    }

    public abstract static class LLVM80BitFloatSelectNode extends LLVMSelectNode {

        @Specialization
        protected LLVM80BitFloat doOp(boolean cond, LLVM80BitFloat trueBranch, LLVM80BitFloat elseBranch) {
            return conditionProfile.profile(cond) ? trueBranch : elseBranch;
        }
    }

    public abstract static class LLVMGenericSelectNode extends LLVMSelectNode {

        @Specialization
        protected Object doOp(boolean cond, Object trueBranch, Object elseBranch) {
            return conditionProfile.profile(cond) ? trueBranch : elseBranch;
        }
    }
}