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4 Commits

Author SHA1 Message Date
Duncan Sands
1cd05bb605 When determining whether the new instruction was already present in 
the original instruction, half the cases were missed (making it not
wrong but suboptimal).  Also correct a typo (A <-> B) in the second
chunk. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122414 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-22 17:15:25 +00:00
Duncan Sands
025c98bdbd Add an additional InstructionSimplify factorization test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122333 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-21 15:12:22 +00:00
Duncan Sands
9bd2c2e63c Fix typo in comment, spotted by Deewiant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122329 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-21 13:39:20 +00:00
Duncan Sands
3421d90853 Teach InstructionSimplify about distributive laws. These transforms fire 
quite often, but don't make much difference in practice presumably because
instcombine also knows them and more.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122328 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-21 13:32:22 +00:00