[X86] Make better use of instregex for cmovcc/setcc/jcc instructions in the Intel scheduler models.

Combine all the separate condition codes into a singular expression when possible.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@322924 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed