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comparison graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/ArraySubstitutions.java @ 20851:91a25b017111

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converted @MethodSubstitutions for java.lang.reflect.Array to MethodSubstitutionPlugins
author Doug Simon <doug.simon@oracle.com>
date Wed, 08 Apr 2015 10:50:06 +0200
parents 14e703edb2ab
children 66d45b977e44
comparison
equal deleted inserted replaced
20850:9d4a36560833 20851:91a25b017111
23 package com.oracle.graal.replacements; 23 package com.oracle.graal.replacements;
24 24
25 import static com.oracle.graal.nodes.extended.BranchProbabilityNode.*; 25 import static com.oracle.graal.nodes.extended.BranchProbabilityNode.*;
26 26
27 import com.oracle.graal.api.meta.*; 27 import com.oracle.graal.api.meta.*;
28 import com.oracle.graal.api.replacements.*;
29 import com.oracle.graal.nodes.*; 28 import com.oracle.graal.nodes.*;
30 import com.oracle.graal.nodes.java.*; 29 import com.oracle.graal.nodes.java.*;
31 30
32 /** 31 /**
33 * Substitutions for {@link java.lang.reflect.Array} methods. 32 * Substitutions for {@link java.lang.reflect.Array} methods.
34 */ 33 */
35 @ClassSubstitution(java.lang.reflect.Array.class)
36 public class ArraySubstitutions { 34 public class ArraySubstitutions {
37 35
38 @MethodSubstitution
39 public static Object newInstance(Class<?> componentType, int length) throws NegativeArraySizeException { 36 public static Object newInstance(Class<?> componentType, int length) throws NegativeArraySizeException {
40 // The error cases must be handled here since DynamicNewArrayNode can only deoptimize the 37 // The error cases must be handled here since DynamicNewArrayNode can only deoptimize the
41 // caller in response to exceptions. 38 // caller in response to exceptions.
42 if (probability(SLOW_PATH_PROBABILITY, length < 0)) { 39 if (probability(SLOW_PATH_PROBABILITY, length < 0)) {
43 DeoptimizeNode.deopt(DeoptimizationAction.None, DeoptimizationReason.RuntimeConstraint); 40 DeoptimizeNode.deopt(DeoptimizationAction.None, DeoptimizationReason.RuntimeConstraint);
46 DeoptimizeNode.deopt(DeoptimizationAction.None, DeoptimizationReason.RuntimeConstraint); 43 DeoptimizeNode.deopt(DeoptimizationAction.None, DeoptimizationReason.RuntimeConstraint);
47 } 44 }
48 return DynamicNewArrayNode.newArray(GuardingPiNode.asNonNullClass(componentType), length); 45 return DynamicNewArrayNode.newArray(GuardingPiNode.asNonNullClass(componentType), length);
49 } 46 }
50 47
51 @MethodSubstitution
52 public static int getLength(Object array) { 48 public static int getLength(Object array) {
53 if (!array.getClass().isArray()) { 49 if (!array.getClass().isArray()) {
54 DeoptimizeNode.deopt(DeoptimizationAction.None, DeoptimizationReason.RuntimeConstraint); 50 DeoptimizeNode.deopt(DeoptimizationAction.None, DeoptimizationReason.RuntimeConstraint);
55 } 51 }
56 return ArrayLengthNode.arrayLength(array); 52 return ArrayLengthNode.arrayLength(array);