Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/ops/IfOp.java @ 7296:8d9c7a109967
Fix elimination of unnecessary UnsafeCastNode
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Wed, 26 Dec 2012 13:36:41 -0800 |
parents | 213c1297a814 |
children |
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/* * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.truffle.sl.ops; import java.math.*; import com.oracle.truffle.api.codegen.*; import com.oracle.truffle.sl.types.*; @SuppressWarnings("unused") @Operation(typeSystem = Types.class, values = {"condition"}, shortCircuitValues = {"ifPart", "elsePart"}) public class IfOp { @ShortCircuit("ifPart") public boolean needsIfPart(boolean condition) { return condition; } @ShortCircuit("ifPart") public boolean needsIfPart(Object condition) { if (TypesGen.TYPES.isBoolean(condition)) { return TypesGen.TYPES.asBoolean(condition); } throw new RuntimeException("operation not defined for type " + condition.getClass().getSimpleName()); } @ShortCircuit("elsePart") public boolean needsElsePart(Object condition, boolean hasIfPart, Object ifPart) { return !hasIfPart; } @ShortCircuit("elsePart") public boolean needsElsePart(boolean condition, boolean hasIfPart, int ifPart) { return !hasIfPart; } @ShortCircuit("elsePart") public boolean needsElsePart(boolean condition, boolean hasIfPart, BigInteger ifPart) { return !hasIfPart; } @Specialization public int doInteger(boolean condition, boolean hasIfPart, int ifPart, boolean hasElsePart, int elsePart) { return hasIfPart ? ifPart : elsePart; } @Specialization public BigInteger doBigInteger(boolean condition, boolean hasIfPart, BigInteger ifPart, boolean hasElsePart, BigInteger elsePart) { return hasIfPart ? ifPart : elsePart; } @Generic public Object doGeneric(Object condition, boolean hasIfPart, Object ifPart, boolean hasElsePart, Object elsePart) { return hasIfPart ? ifPart : elsePart; } }