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comparison graal/GraalCompiler/src/com/sun/c1x/value/FrameState.java @ 2728:7e470e1cd3b6

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Removed special casing for exception phis in LIRGenerator. Removed dependency between LIRBlock.blockID and BlockBegin.blockID.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Thu, 19 May 2011 17:13:30 +0200
parents c1ce2a53d6c3
children a2f62de90c76
comparison
equal deleted inserted replaced
2727:1ddcbcd33325 2728:7e470e1cd3b6
379 public static interface PhiProcedure { 379 public static interface PhiProcedure {
380 boolean doPhi(Phi phi); 380 boolean doPhi(Phi phi);
381 } 381 }
382 382
383 /** 383 /**
384 * Traverses all live {@linkplain Phi phis} of a given block in this frame state.
385 *
386 * @param block only phis {@linkplain Phi#block() associated} with this block are traversed
387 * @param proc the call back invoked for each live phi traversed
388 */
389 public final boolean forEachLivePhi(int blockID, PhiProcedure proc) {
390 for (int i = 0; i < valuesSize(); i++) {
391 Value instr = valueAt(i);
392 if (instr instanceof Phi && !instr.isDeadPhi()) {
393 Phi phi = (Phi) instr;
394 if (phi.block().blockID == blockID) {
395 if (!proc.doPhi(phi)) {
396 return false;
397 }
398 }
399 }
400 }
401 return true;
402 }
403
404 /**
405 * Checks whether this frame state has any {@linkplain Phi phi} statements. 384 * Checks whether this frame state has any {@linkplain Phi phi} statements.
406 */ 385 */
407 public boolean hasPhis() { 386 public boolean hasPhis() {
408 for (int i = 0; i < valuesSize(); i++) { 387 for (int i = 0; i < valuesSize(); i++) {
409 Value value = valueAt(i); 388 Value value = valueAt(i);