Regenerate knownbits test. NFCI.

A future SimplifyDemandedBits patch will affect this code and I want to ensure the codegen diff is obvious.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@348925 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed