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comparison src/share/vm/opto/loopopts.cpp @ 108:a761c2d3b76a

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6684385: Loop unswitching crashes without LoopNode Summary: Without LoopNode, exit early from loop unswitching and partial peeling Reviewed-by: kvn, never, sgoldman
author rasbold
date Wed, 09 Apr 2008 09:25:45 -0700
parents 8bb88f9877e5
children c436414a719e
comparison
equal deleted inserted replaced
107:93b6525e3b82 108:a761c2d3b76a
2255 // v 2255 // v
2256 // exitA 2256 // exitA
2257 // 2257 //
2258 bool PhaseIdealLoop::partial_peel( IdealLoopTree *loop, Node_List &old_new ) { 2258 bool PhaseIdealLoop::partial_peel( IdealLoopTree *loop, Node_List &old_new ) {
2259 2259
2260 if (!loop->_head->is_Loop()) {
2261 return false; }
2262
2260 LoopNode *head = loop->_head->as_Loop(); 2263 LoopNode *head = loop->_head->as_Loop();
2261 2264
2262 if (head->is_partial_peel_loop() || head->partial_peel_has_failed()) { 2265 if (head->is_partial_peel_loop() || head->partial_peel_has_failed()) {
2263 return false; 2266 return false;
2264 } 2267 }