move the atomic pseudo instructions out to X86InstrCompiler.td

llvm-svn: 115599
4 files changed
tree: cc5bc103c4000e572a0b906d7b27dc15a560278b
  1. clang/
  2. compiler-rt/
  3. debuginfo-tests/
  4. libcxx/
  5. lldb/
  6. llvm/