[InstCombine] fold udiv with sext bool divisor

Note: I didn't add a hasOneUse() check because the existing,
related fold doesn't have that check. I suspect that the
improved analysis and codegen make these some of the rare
canonicalization cases where we allow an increase in
instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@335597 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed