[InstCombine] Add constant splat handling to one of the ICMP_SLT/SGT cases in foldICmpUsingKnownBits.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@314025 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed