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comparison graal/GraalCompiler/src/com/sun/c1x/ir/CheckCast.java @ 2600:f1bc67c2d453

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new node layout: TypeCheck, RegisterFinalizer, Invoke, NewArray, NullCheck
author Lukas Stadler <lukas.stadler@jku.at>
date Thu, 05 May 2011 16:32:20 +0200
parents 16b9a8b5ad39
children 91d3952f7eb7
comparison
equal deleted inserted replaced
2596:1c36b17f7ee0 2600:f1bc67c2d453
20 * or visit www.oracle.com if you need additional information or have any 20 * or visit www.oracle.com if you need additional information or have any
21 * questions. 21 * questions.
22 */ 22 */
23 package com.sun.c1x.ir; 23 package com.sun.c1x.ir;
24 24
25 import com.oracle.graal.graph.*;
25 import com.sun.c1x.debug.*; 26 import com.sun.c1x.debug.*;
26 import com.sun.c1x.util.*; 27 import com.sun.c1x.util.*;
27 import com.sun.c1x.value.*; 28 import com.sun.c1x.value.*;
28 import com.sun.cri.bytecode.*; 29 import com.sun.cri.bytecode.*;
29 import com.sun.cri.ci.*; 30 import com.sun.cri.ci.*;
30 import com.sun.cri.ri.*; 31 import com.sun.cri.ri.*;
31 32
32 /** 33 /**
33 * The {@code CheckCast} instruction represents a {@link Bytecodes#CHECKCAST}. 34 * The {@code CheckCast} instruction represents a {@link Bytecodes#CHECKCAST}.
34 *
35 * @author Ben L. Titzer
36 */ 35 */
37 public final class CheckCast extends TypeCheck { 36 public final class CheckCast extends TypeCheck {
37
38 private static final int INPUT_COUNT = 0;
39 private static final int SUCCESSOR_COUNT = 0;
38 40
39 /** 41 /**
40 * Creates a new CheckCast instruction. 42 * Creates a new CheckCast instruction.
41 * @param targetClass the class being cast to 43 * @param targetClass the class being cast to
42 * @param object the instruction producing the object 44 * @param object the instruction producing the object
43 * @param stateBefore the state before the cast 45 * @param stateBefore the state before the cast
46 * @param graph
44 */ 47 */
45 public CheckCast(RiType targetClass, Value targetClassInstruction, Value object, FrameState stateBefore) { 48 public CheckCast(RiType targetClass, Value targetClassInstruction, Value object, FrameState stateBefore, Graph graph) {
46 super(targetClass, targetClassInstruction, object, CiKind.Object, stateBefore); 49 super(targetClass, targetClassInstruction, object, CiKind.Object, stateBefore, INPUT_COUNT, SUCCESSOR_COUNT, graph);
47 initFlag(Flag.NonNull, object.isNonNull()); 50 initFlag(Flag.NonNull, object.isNonNull());
48 } 51 }
49 52
50 /** 53 /**
51 * Gets the declared type of the result of this instruction. 54 * Gets the declared type of the result of this instruction.
70 v.visitCheckCast(this); 73 v.visitCheckCast(this);
71 } 74 }
72 75
73 @Override 76 @Override
74 public int valueNumber() { 77 public int valueNumber() {
75 return targetClass.isResolved() ? Util.hash1(Bytecodes.CHECKCAST, object) : 0; 78 return targetClass.isResolved() ? Util.hash1(Bytecodes.CHECKCAST, object()) : 0;
76 } 79 }
77 80
78 @Override 81 @Override
79 public boolean valueEqual(Instruction i) { 82 public boolean valueEqual(Instruction i) {
80 if (i instanceof CheckCast) { 83 if (i instanceof CheckCast) {
81 CheckCast o = (CheckCast) i; 84 CheckCast o = (CheckCast) i;
82 return targetClass == o.targetClass && object == o.object; 85 return targetClass == o.targetClass && object() == o.object();
83 } 86 }
84 return false; 87 return false;
85 } 88 }
86 89
87 @Override 90 @Override