Mercurial > hg > truffle
diff src/share/vm/opto/loopTransform.cpp @ 3850:6987871cfb9b
7077439: Possible reference through NULL in loopPredicate.cpp:726
Summary: Use cl->is_valid_counted_loop() check.
Reviewed-by: never
author | kvn |
---|---|
date | Wed, 10 Aug 2011 14:06:57 -0700 |
parents | c96c3eb1efae |
children | da6a29fb0da5 |
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--- a/src/share/vm/opto/loopTransform.cpp Tue Aug 02 18:36:40 2011 +0200 +++ b/src/share/vm/opto/loopTransform.cpp Wed Aug 10 14:06:57 2011 -0700 @@ -2099,7 +2099,7 @@ if (!_head->is_CountedLoop()) return false; // Dead loop CountedLoopNode *cl = _head->as_CountedLoop(); - if (!cl->loopexit()) + if (!cl->is_valid_counted_loop()) return false; // Malformed loop if (!phase->is_member(this, phase->get_ctrl(cl->loopexit()->in(CountedLoopEndNode::TestValue)))) return false; // Infinite loop @@ -2255,7 +2255,7 @@ } CountedLoopNode *cl = _head->as_CountedLoop(); - if (!cl->loopexit()) return true; // Ignore various kinds of broken loops + if (!cl->is_valid_counted_loop()) return true; // Ignore various kinds of broken loops // Do nothing special to pre- and post- loops if (cl->is_pre_loop() || cl->is_post_loop()) return true; @@ -2636,7 +2636,7 @@ // Must have constant stride CountedLoopNode* head = lpt->_head->as_CountedLoop(); - if (!head->stride_is_con() || !head->is_normal_loop()) { + if (!head->is_valid_counted_loop() || !head->is_normal_loop()) { return false; }