David Majnemer 7627d9c229 InstCombine: Infer nuw for multiplies
A multiply cannot unsigned wrap if there are bitwidth, or more, leading
zero bits between the two operands.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224849 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-26 09:50:35 +00:00
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