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7107042: assert(no_dead_loop) failed: dead loop detected

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Use dead nodes elimination code in PhaseIdealLoop before executing EA.

Reviewed-by: never, twisti
This commit is contained in:
Vladimir Kozlov 2011-11-09 07:25:51 -08:00
parent dc1f4fe50e
commit 09b7902e14
9 changed files with 57 additions and 23 deletions
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11
hotspot/src/share/vm/opto/phaseX.cpp
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@ -322,11 +322,12 @@ void NodeHash::remove_useless_nodes(VectorSet &useful) {
void NodeHash::dump() {
_total_inserts += _inserts;
_total_insert_probes += _insert_probes;
if( PrintCompilation && PrintOptoStatistics && Verbose && (_inserts > 0) ) { // PrintOptoGVN
if( PrintCompilation2 ) {
for( uint i=0; i<_max; i++ )
if( _table[i] )
tty->print("%d/%d/%d ",i,_table[i]->hash()&(_max-1),_table[i]->_idx);
if (PrintCompilation && PrintOptoStatistics && Verbose && (_inserts > 0)) {
if (WizardMode) {
for (uint i=0; i<_max; i++) {
if (_table[i])
tty->print("%d/%d/%d ",i,_table[i]->hash()&(_max-1),_table[i]->_idx);
}
}
tty->print("\nGVN Hash stats: %d grows to %d max_size\n", _grows, _max);
tty->print(" %d/%d (%8.1f%% full)\n", _inserts, _max, (double)_inserts/_max*100.0);