ccc: Darwin/x86: Add direct cpp support.
 - Add Darwin_X86_CC1Tool which is shared by Darwin/x86/Compile and
   Darwin/x86/Preprocess tools.

 - Minor bug fixes (CmpDriver exit code, -x cpp-output handling, some
   linker argument translation).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62551 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed