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comparison graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderPhase.java @ 19622:0e90dbf0b9fd

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Add merge boolean property to ExplodeLoop annotation to indicate that backward branches should be merged if possible.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Fri, 27 Feb 2015 14:06:36 +0100
parents 711f46f691cf
children 490f2c54c28a
comparison
equal deleted inserted replaced
19621:34e984e9560e 19622:0e90dbf0b9fd
201 private ValueNode unwindValue; 201 private ValueNode unwindValue;
202 private FixedWithNextNode beforeUnwindNode; 202 private FixedWithNextNode beforeUnwindNode;
203 203
204 private FixedWithNextNode lastInstr; // the last instruction added 204 private FixedWithNextNode lastInstr; // the last instruction added
205 private final boolean explodeLoops; 205 private final boolean explodeLoops;
206 private final boolean mergeExplosions;
206 private Stack<ExplodedLoopContext> explodeLoopsContext; 207 private Stack<ExplodedLoopContext> explodeLoopsContext;
207 private int nextPeelIteration = 1; 208 private int nextPeelIteration = 1;
208 private boolean controlFlowSplit; 209 private boolean controlFlowSplit;
209 210
210 private FixedWithNextNode[] firstInstructionArray; 211 private FixedWithNextNode[] firstInstructionArray;
228 } 229 }
229 230
230 LoopExplosionPlugin loopExplosionPlugin = graphBuilderConfig.getLoopExplosionPlugin(); 231 LoopExplosionPlugin loopExplosionPlugin = graphBuilderConfig.getLoopExplosionPlugin();
231 if (loopExplosionPlugin != null) { 232 if (loopExplosionPlugin != null) {
232 explodeLoops = loopExplosionPlugin.shouldExplodeLoops(method); 233 explodeLoops = loopExplosionPlugin.shouldExplodeLoops(method);
234 if (explodeLoops) {
235 mergeExplosions = loopExplosionPlugin.shouldMergeExplosions(method);
236 } else {
237 mergeExplosions = false;
238 }
233 } else { 239 } else {
234 explodeLoops = false; 240 explodeLoops = false;
241 mergeExplosions = false;
235 } 242 }
236 } 243 }
237 244
238 public ValueNode getReturnValue() { 245 public ValueNode getReturnValue() {
239 return returnValue; 246 return returnValue;