/*
* Copyright (c) 2017, 2019, Oracle and/or its affiliates.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* 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
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.oracle.truffle.llvm.runtime.nodes.asm.support;
import com.oracle.truffle.api.CompilerAsserts;
import com.oracle.truffle.api.frame.FrameSlot;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode;
public class LLVMAMD64Target {
private final Object location;
private final int shift;
public LLVMAMD64Target(FrameSlot location) {
this(location, 0);
}
public LLVMAMD64Target(FrameSlot location, int shift) {
this.location = location;
this.shift = shift;
}
public LLVMAMD64Target(LLVMExpressionNode src) {
location = src;
shift = 0;
}
public LLVMExpressionNode createInput() {
CompilerAsserts.neverPartOfCompilation();
if (location instanceof LLVMExpressionNode) {
return (LLVMExpressionNode) location;
} else if (location instanceof FrameSlot) {
return LLVMAMD64FrameSlotNodeGen.create((FrameSlot) location);
} else {
throw new IllegalStateException();
}
}
public LLVMAMD64WriteNode createTarget() {
CompilerAsserts.neverPartOfCompilation();
return LLVMAMD64WriteNodeGen.create(shift);
}
}