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comparison graal/GraalCompiler/src/com/sun/c1x/alloc/ControlFlowOptimizer.java @ 2652:6d19b4f476db

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Removed more OSR handling stuff.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 11 May 2011 14:51:33 +0200
parents 4a36a0bd6d18
children 6ab73784566a
comparison
equal deleted inserted replaced
2651:f9ae687657e8 2652:6d19b4f476db
43 * @param ir the IR graph that should be optimized 43 * @param ir the IR graph that should be optimized
44 */ 44 */
45 public static void optimize(IR ir) { 45 public static void optimize(IR ir) {
46 ControlFlowOptimizer optimizer = new ControlFlowOptimizer(ir); 46 ControlFlowOptimizer optimizer = new ControlFlowOptimizer(ir);
47 List<BlockBegin> code = ir.linearScanOrder(); 47 List<BlockBegin> code = ir.linearScanOrder();
48
49 // push the OSR entry block to the end so that we're not jumping over it.
50 BlockBegin osrEntry = ((Base) code.get(0).end()).osrEntry();
51 if (osrEntry != null) {
52 int index = osrEntry.linearScanNumber();
53 assert code.get(index) == osrEntry : "wrong index";
54 code.remove(index);
55 code.add(osrEntry);
56 }
57
58 optimizer.reorderShortLoops(code); 48 optimizer.reorderShortLoops(code);
59 optimizer.deleteEmptyBlocks(code); 49 optimizer.deleteEmptyBlocks(code);
60 optimizer.deleteUnnecessaryJumps(code); 50 optimizer.deleteUnnecessaryJumps(code);
61 optimizer.deleteJumpsToReturn(code); 51 optimizer.deleteJumpsToReturn(code);
62 } 52 }