Sanjay Patel 6d6eab66e0 [InstCombine] fold udiv with common factor from muls with nuw ...

Unfortunately, sdiv isn't as simple because of UB due to overflow.

This fold is mentioned in PR38239:
https://bugs.llvm.org/show_bug.cgi?id=38239

llvm-svn: 338059

2018-07-26 19:22:41 +00:00

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