Mercurial > hg > truffle

comparison graal/GraalCompiler/src/com/sun/c1x/lir/LIRTableSwitch.java @ 2761:d3398b21faf9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Re-enabled CFG optimization (now only on LIRBlock data structure).
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Sat, 21 May 2011 17:46:54 +0200
parents a2f62de90c76
children 5e8a69041cd7
comparison
equal deleted inserted replaced
2760:127db58b044e 2761:d3398b21faf9
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.lir; 23 package com.sun.c1x.lir;
24 24
25 import com.sun.c1x.ir.*;
25 import com.sun.cri.ci.*; 26 import com.sun.cri.ci.*;
26 27
27 /** 28 /**
28 * @author Doug Simon 29 * @author Doug Simon
29 */ 30 */
63 buf.append("\ncase ").append(key).append(": [B").append(b.blockID()).append(']'); 64 buf.append("\ncase ").append(key).append(": [B").append(b.blockID()).append(']');
64 key++; 65 key++;
65 } 66 }
66 return buf.toString(); 67 return buf.toString();
67 } 68 }
69
70
71 private LIRBlock substitute(LIRBlock block, LIRBlock oldBlock, LIRBlock newBlock) {
72 if (block == oldBlock) {
73 LIRInstruction instr = newBlock.lir().instructionsList().get(0);
74 assert instr instanceof LIRLabel : "first instruction of block must be label";
75 return newBlock;
76 }
77 return oldBlock;
78 }
79
80 public void substitute(LIRBlock oldBlock, LIRBlock newBlock) {
81 if (substitute(defaultTarget, oldBlock, newBlock) == newBlock) {
82 defaultTarget = newBlock;
83 }
84 for (int i = 0; i < targets.length; i++) {
85 if (substitute(targets[i], oldBlock, newBlock) == newBlock) {
86 targets[i] = newBlock;
87 }
88 }
89 }
68 } 90 }