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2 Commits

Author SHA1 Message Date
Dan Gohman
1975d03183 Canonicalize sext(i1) to i1?-1:0, and update various instcombine 
optimizations accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58457 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-30 20:40:10 +00:00
Dan Gohman
b493b2774c (A & sext(C)) | (B & ~sext(C) -> C ? A : B 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58351 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-28 22:38:57 +00:00