Mercurial > hg > graal-compiler

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

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
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
line wrap: on
line diff
--- a/src/share/vm/opto/loopopts.cpp	Tue Apr 08 12:23:15 2008 -0400
+++ b/src/share/vm/opto/loopopts.cpp	Wed Apr 09 09:25:45 2008 -0700
@@ -2257,6 +2257,9 @@
 //
 bool PhaseIdealLoop::partial_peel( IdealLoopTree *loop, Node_List &old_new ) {
 
+  if (!loop->_head->is_Loop()) {
+    return false;  }
+
   LoopNode *head  = loop->_head->as_Loop();
 
   if (head->is_partial_peel_loop() || head->partial_peel_has_failed()) {