Revert r314017 '[InstCombine] Simplify check for RHS being a splat constant in foldICmpUsingKnownBits by just checking Op1Min==Op1Max rather than going through m_APInt.'

This reverts r314017 and similar code added in later commits. It seems to not work for pointer compares and is causing a bot failure for the last several days.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@314360 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed