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comparison graal/com.oracle.graal.lir/src/com/oracle/graal/lir/StandardOp.java @ 21218:ca85b783309c

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Add LabelOp.isPhiIn().
author Josef Eisl <josef.eisl@jku.at>
date Thu, 23 Apr 2015 14:35:28 +0200
parents 7223cb16dfa6
children 0bb06deee33b
comparison
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21217:7223cb16dfa6 21218:ca85b783309c
21 * questions. 21 * questions.
22 */ 22 */
23 package com.oracle.graal.lir; 23 package com.oracle.graal.lir;
24 24
25 import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; 25 import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*;
26 import static com.oracle.graal.lir.LIRValueUtil.*;
26 27
27 import java.util.*; 28 import java.util.*;
28 29
29 import com.oracle.graal.api.code.*; 30 import com.oracle.graal.api.code.*;
30 import com.oracle.graal.api.meta.*; 31 import com.oracle.graal.api.meta.*;
111 } 112 }
112 113
113 public Label getLabel() { 114 public Label getLabel() {
114 return label; 115 return label;
115 } 116 }
117
118 /**
119 * @return true if this label acts as a PhiIn.
120 */
121 public boolean isPhiIn() {
122 return getIncomingSize() > 0 && isVariable(getIncomingValue(0));
123 }
116 } 124 }
117 125
118 /** 126 /**
119 * LIR operation that is an unconditional jump to a {@link #destination()}. 127 * LIR operation that is an unconditional jump to a {@link #destination()}.
120 */ 128 */