Add clang -mcpu=native support, patch by Roman Divacky, varioustweaks by me.
 - We still need support for detecting the target features, since the name
   doesn't actually do a good job of decribing what the CPU supports (for LLVM).

llvm-svn: 88819
2 files changed
tree: 73f60fc81fcb62dc8ed6fd49da8531470b7a118d
  1. clang/
  2. compiler-rt/
  3. llvm/