Mercurial > hg > graal-compiler
view graal/GraalCompiler/src/com/sun/c1x/ir/Invoke.java @ 2509:16b9a8b5ad39
Renamings Runtime=>GraalRuntime and Compiler=>GraalCompiler
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 27 Apr 2011 11:50:44 +0200 |
parents | graal/Compiler/src/com/sun/c1x/ir/Invoke.java@9ec15d6914ca |
children | e1ba5a93e997 |
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/* * Copyright (c) 2009, 2011, 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.sun.c1x.ir; import com.sun.c1x.debug.*; import com.sun.c1x.util.*; import com.sun.c1x.value.*; import com.sun.cri.ci.*; import com.sun.cri.ri.*; /** * The {@code Invoke} instruction represents all kinds of method calls. * * @author Ben L. Titzer */ public final class Invoke extends StateSplit { public final int opcode; public final Value[] arguments; public final RiMethod target; public final RiType returnType; /** * Constructs a new Invoke instruction. * * @param opcode the opcode of the invoke * @param result the result type * @param args the list of instructions producing arguments to the invocation, including the receiver object * @param isStatic {@code true} if this call is static (no receiver object) * @param target the target method being called * @param stateBefore the state before executing the invocation */ public Invoke(int opcode, CiKind result, Value[] args, boolean isStatic, RiMethod target, RiType returnType, FrameState stateBefore) { super(result, stateBefore); this.opcode = opcode; this.arguments = args; this.target = target; this.returnType = returnType; if (isStatic) { setFlag(Flag.IsStatic); eliminateNullCheck(); } else if (args[0].isNonNull() || args[0].kind.isWord()) { eliminateNullCheck(); } } /** * Gets the opcode of this invoke instruction. * @return the opcode */ public int opcode() { return opcode; } /** * Checks whether this is an invocation of a static method. * @return {@code true} if the invocation is a static invocation */ public boolean isStatic() { return checkFlag(Flag.IsStatic); } @Override public RiType declaredType() { return returnType; } /** * Gets the instruction that produces the receiver object for this invocation, if any. * @return the instruction that produces the receiver object for this invocation if any, {@code null} if this * invocation does not take a receiver object */ public Value receiver() { assert !isStatic(); return arguments[0]; } /** * Gets the target method for this invocation instruction. * @return the target method */ public RiMethod target() { return target; } /** * Gets the list of instructions that produce input for this instruction. * @return the list of instructions that produce input */ public Value[] arguments() { return arguments; } /** * Checks whether this instruction can trap. * @return {@code true}, conservatively assuming the called method may throw an exception */ @Override public boolean canTrap() { return true; } /** * Checks whether this invocation has a receiver object. * @return {@code true} if this invocation has a receiver object; {@code false} otherwise, if this is a * static call */ public boolean hasReceiver() { return !isStatic(); } @Override public void inputValuesDo(ValueClosure closure) { for (int i = 0; i < arguments.length; i++) { Value arg = arguments[i]; if (arg != null) { arguments[i] = closure.apply(arg); assert arguments[i] != null; } } } @Override public void accept(ValueVisitor v) { v.visitInvoke(this); } public CiKind[] signature() { CiKind receiver = isStatic() ? null : target.holder().kind(); return Util.signatureToKinds(target.signature(), receiver); } @Override public void print(LogStream out) { int argStart = 0; if (hasReceiver()) { out.print(receiver()).print('.'); argStart = 1; } RiMethod target = target(); out.print(target.name()).print('('); Value[] arguments = arguments(); for (int i = argStart; i < arguments.length; i++) { if (i > argStart) { out.print(", "); } out.print(arguments[i]); } out.print(CiUtil.format(") [method: %H.%n(%p):%r]", target, false)); } }