Remove the old atomic instrinsics.  autoupgrade functionality is included with this patch.

llvm-svn: 141333
7 files changed
tree: 74caac51facebf0a72855e933f6658bd4343c15b
  1. clang/
  2. compiler-rt/
  3. debuginfo-tests/
  4. libcxx/
  5. libcxxabi/
  6. lldb/
  7. llvm/
  8. polly/