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comparison graal/GraalCompiler/src/com/sun/c1x/gen/LIRGenerator.java @ 2778:2ac7b30b7290

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Enabled new block finding algorithm.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Tue, 24 May 2011 21:39:45 +0200
parents 3b73b230b86b
children 93ec3f067420
comparison
equal deleted inserted replaced
2777:3e4d992fd312 2778:2ac7b30b7290
390 public void visitGoto(Goto x) { 390 public void visitGoto(Goto x) {
391 setNoResult(x); 391 setNoResult(x);
392 392
393 // emit phi-instruction moves after safepoint since this simplifies 393 // emit phi-instruction moves after safepoint since this simplifies
394 // describing the state at the safepoint. 394 // describing the state at the safepoint.
395 moveToPhi(x.stateAfter()); 395
396 396 moveToPhi();
397 lir.jump(getLIRBlock(x.defaultSuccessor())); 397 lir.jump(getLIRBlock(x.defaultSuccessor()));
398 } 398 }
399 399
400 @Override 400 @Override
401 public void visitIfOp(IfOp i) { 401 public void visitIfOp(IfOp i) {
1264 resolver.move(operand, operandForPhi(phi)); 1264 resolver.move(operand, operandForPhi(phi));
1265 } 1265 }
1266 } 1266 }
1267 } 1267 }
1268 1268
1269 protected void moveToPhi() {
1270 assert lastState != null;
1271 this.moveToPhi(lastState);
1272 }
1273
1274 private List<Phi> getPhis(LIRBlock block) { 1269 private List<Phi> getPhis(LIRBlock block) {
1275 if (block.getInstructions().size() > 0) { 1270 if (block.getInstructions().size() > 0) {
1276 Instruction i = block.getInstructions().get(0); 1271 Instruction i = block.getInstructions().get(0);
1277 if (i instanceof BlockBegin) { 1272 if (i instanceof BlockBegin) {
1278 List<Phi> result = new ArrayList<Phi>(); 1273 List<Phi> result = new ArrayList<Phi>();
1285 } 1280 }
1286 } 1281 }
1287 return null; 1282 return null;
1288 } 1283 }
1289 1284
1290 protected void moveToPhi(FrameState curState) { 1285 protected void moveToPhi() {
1291 // Moves all stack values into their phi position 1286 // Moves all stack values into their phi position
1292 LIRBlock bb = currentBlock; 1287 LIRBlock bb = currentBlock;
1293 if (bb.numberOfSux() == 1) { 1288 if (bb.numberOfSux() == 1) {
1294 LIRBlock sux = bb.suxAt(0); 1289 LIRBlock sux = bb.suxAt(0);
1295 assert sux.numberOfPreds() > 0 : "invalid CFG"; 1290 assert sux.numberOfPreds() > 0 : "invalid CFG";