[x86] enable machine combiner reassociations for 128-bit vector logical integer insts (2nd try)

The changes in:
test/CodeGen/X86/machine-cp.ll
are just due to scheduling differences after some logic instructions were reassociated.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247516 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed