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1 Commits

Author SHA1 Message Date
Dan Gohman
34b548b94a Fold (add x, shl(0 - y, n)) -> sub(x, shl(y, n)), to simplify some code
that SCEVExpander can produce when running on behalf of LSR.

llvm-svn: 93949
2010-01-19 23:30:49 +00:00