Sanjay Patel 08e3bf995e [ValueTracking] fix bug computing isKnownToBeAPowerOfTwo() with arithmetic shift right (PR25900)
This is a fix for:
https://llvm.org/bugs/show_bug.cgi?id=25900

If we think that an arithmetic right shift of a power of two is always a power of two, 
an sdiv gets wrongly converted to udiv.

Differential Revision: http://reviews.llvm.org/D15827



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256655 91177308-0d34-0410-b5e6-96231b3b80d8
2015-12-30 22:40:52 +00:00
2015-12-18 23:46:42 +00:00
2014-04-07 03:57:04 +00:00
2015-12-19 20:04:03 +00:00
2015-03-12 01:25:29 +00:00
2015-12-11 07:40:25 +00:00

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