[X86] Moving X86Local namespace from .cpp to .h file to use it in memory folding TableGen backend.

Differential Revision: https://reviews.llvm.org/D32797



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@302791 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed