Mercurial > hg > graal-compiler

annotate graal/GraalCompiler/src/com/sun/c1x/ir/Invoke.java @ 2546:e1b3db8031ee

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Removed liveness marking.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 27 Apr 2011 21:54:31 +0200
parents c58a301eb2d7
children 1c36b17f7ee0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.sun.c1x.ir;
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24
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25 import com.sun.c1x.debug.*;
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26 import com.sun.c1x.util.*;
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27 import com.sun.c1x.value.*;
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28 import com.sun.cri.bytecode.*;
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29 import com.sun.cri.ci.*;
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30 import com.sun.cri.ri.*;
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31
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32 /**
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33 * The {@code Invoke} instruction represents all kinds of method calls.
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34 */
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35 public final class Invoke extends StateSplit {
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36
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37 public final int opcode;
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38 public final Value[] arguments;
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39 public final RiMethod target;
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40 public final RiType returnType;
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41
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42 /**
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43 * Constructs a new Invoke instruction.
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44 *
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45 * @param opcode the opcode of the invoke
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46 * @param result the result type
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47 * @param args the list of instructions producing arguments to the invocation, including the receiver object
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48 * @param isStatic {@code true} if this call is static (no receiver object)
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49 * @param target the target method being called
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50 * @param stateBefore the state before executing the invocation
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51 */
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52 public Invoke(int opcode, CiKind result, Value[] args, RiMethod target, RiType returnType, FrameState stateBefore) {
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53 super(result, stateBefore);
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54 this.opcode = opcode;
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55 this.arguments = args;
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56 this.target = target;
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57 this.returnType = returnType;
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58 }
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59
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60 /**
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61 * Gets the opcode of this invoke instruction.
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62 * @return the opcode
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63 */
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64 public int opcode() {
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65 return opcode;
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66 }
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67
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68 /**
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69 * Checks whether this is an invocation of a static method.
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70 * @return {@code true} if the invocation is a static invocation
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71 */
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72 public boolean isStatic() {
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73 return opcode == Bytecodes.INVOKESTATIC;
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74 }
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75
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76 @Override
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77 public RiType declaredType() {
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78 return returnType;
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79 }
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80
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81 /**
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82 * Gets the instruction that produces the receiver object for this invocation, if any.
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83 * @return the instruction that produces the receiver object for this invocation if any, {@code null} if this
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84 * invocation does not take a receiver object
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85 */
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86 public Value receiver() {
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87 assert !isStatic();
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88 return arguments[0];
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89 }
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90
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91 /**
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92 * Gets the target method for this invocation instruction.
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93 * @return the target method
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94 */
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95 public RiMethod target() {
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96 return target;
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97 }
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98
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99 /**
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100 * Gets the list of instructions that produce input for this instruction.
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101 * @return the list of instructions that produce input
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102 */
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103 public Value[] arguments() {
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104 return arguments;
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105 }
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106
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107 /**
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108 * Checks whether this invocation has a receiver object.
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109 * @return {@code true} if this invocation has a receiver object; {@code false} otherwise, if this is a
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110 * static call
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111 */
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112 public boolean hasReceiver() {
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113 return !isStatic();
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114 }
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115
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116 @Override
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117 public void inputValuesDo(ValueClosure closure) {
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118 for (int i = 0; i < arguments.length; i++) {
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119 Value arg = arguments[i];
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120 if (arg != null) {
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121 arguments[i] = closure.apply(arg);
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122 assert arguments[i] != null;
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123 }
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124 }
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125 }
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126
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127 @Override
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128 public void accept(ValueVisitor v) {
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129 v.visitInvoke(this);
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130 }
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131
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132 public CiKind[] signature() {
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133 CiKind receiver = isStatic() ? null : target.holder().kind();
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134 return Util.signatureToKinds(target.signature(), receiver);
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135 }
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136
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137 @Override
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138 public void print(LogStream out) {
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139 int argStart = 0;
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140 if (hasReceiver()) {
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141 out.print(receiver()).print('.');
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142 argStart = 1;
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143 }
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144
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145 RiMethod target = target();
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146 out.print(target.name()).print('(');
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Thomas Wuerthinger <thomas@wuerthinger.net>
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147 Value[] arguments = arguments();
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148 for (int i = argStart; i < arguments.length; i++) {
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149 if (i > argStart) {
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150 out.print(", ");
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151 }
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152 out.print(arguments[i]);
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153 }
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154 out.print(CiUtil.format(") [method: %H.%n(%p):%r]", target, false));
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155 }
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156 }