Mercurial > hg > graal-compiler
view graal/com.oracle.graal.lir/src/com/oracle/graal/lir/constopt/UseEntry.java @ 21556:48c1ebd24120
renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 27 May 2015 00:36:16 +0200 |
parents | a44de2ea5b61 |
children | 0e095e2c24e2 |
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/* * Copyright (c) 2014, 2014, 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.graal.lir.constopt; import com.oracle.jvmci.meta.Value; import com.oracle.graal.compiler.common.cfg.*; import com.oracle.graal.lir.*; /** * Represents a usage of a constant. */ class UseEntry { private final AbstractBlockBase<?> block; private final LIRInstruction instruction; private final Value value; public UseEntry(AbstractBlockBase<?> block, LIRInstruction instruction, Value value) { this.block = block; this.instruction = instruction; this.value = value; } public LIRInstruction getInstruction() { return instruction; } public AbstractBlockBase<?> getBlock() { return block; } public void setValue(Value newValue) { replaceValue(instruction, value, newValue); } private static void replaceValue(LIRInstruction op, Value oldValue, Value newValue) { ValueProcedure proc = (value, mode, flags) -> value.identityEquals(oldValue) ? newValue : value; op.forEachAlive(proc); op.forEachInput(proc); op.forEachOutput(proc); op.forEachTemp(proc); op.forEachState(proc); } public Value getValue() { return value; } @Override public String toString() { return "Use[" + getValue() + ":" + instruction + ":" + block + "]"; } }