[X86] MCA tests for XCHG*, XADD* and CMPXCHG* instructions
Differential Revision: https://reviews.llvm.org/D49912


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@339145 91177308-0d34-0410-b5e6-96231b3b80d8
10 files changed