[X86][SSE] Renamed all_of/any_of reduction patterns tests

Make it clear these tests sign-extend the comparison result. Some patterns zero-extend to a bool result that we still need to handle.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@294018 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed