Dale Johannesen d3325d2897 Eliminate zext over (iv & const) or ((iv+const)&const)
if a longer iv is available.  These subscript forms are
not common; they're a bottleneck in OpenSSL.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69215 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15 20:41:02 +00:00
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2009-04-13 05:38:23 +00:00