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3 Commits

Author SHA1 Message Date
Andrew Trick
6984625d16 Test case update for unroll-scev. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139037 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 21:21:03 +00:00
Andrew Trick
dc07321164 -unroll-scev flag removal 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139010 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 17:36:14 +00:00
Andrew Trick
b1eede1281 Fix the LoopUnroller to handle nontrivial loops and partial unrolling. 
These are not individual bug fixes. I had to rewrite a good chunk of
the unroller to make it sane. I think it was getting lucky on trivial
completely unrolled loops with no early exits. I included some fairly
simple unit tests for partial unrolling. I didn't do much stress
testing, so it may not be perfect, but should be usable now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137190 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-10 00:28:10 +00:00