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Author SHA1 Message Date
Chris Lattner 5814d9d9da RewriteLoopBodyWithConditionConstant can end up rewriting the 
condition we're unswitching on.  In this case, don't try to
simplify the second copy of the loop which may be dead or not,
but is probably a constant now.  This fixes PR6879

llvm-svn: 101870
 2010-04-20 05:09:16 +00:00
Chris Lattner 302240d73e fix a crash in loop unswitch on a loop invariant vector condition. 
llvm-svn: 95055
 2010-02-02 02:26:54 +00:00
Chris Lattner 29bb9272a6 remove an unreduced testcase, rename another. 
llvm-svn: 95054
 2010-02-02 02:23:37 +00:00