David Majnemer 76d06bc613 InstSimplify: Move a transform from InstCombine to InstSimplify ...

Several combines involving icmp (shl C2, %X) C1 can be simplified
without introducing any new instructions.  Move them to InstSimplify;
while we are at it, make them more powerful.

llvm-svn: 216642

2014-08-28 03:34:28 +00:00

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