Add a VT argument to getMinimalPhysRegClass and replace the copy related uses
of getPhysicalRegisterRegClass with it.

If we want to make a copy (or estimate its cost), it is better to use the
smallest class as more efficient operations might be possible.

llvm-svn: 107140
8 files changed
tree: fce9a15fbc3660096672336bbe42dbdafa71004b
  1. clang/
  2. compiler-rt/
  3. libcxx/
  4. lldb/
  5. llvm/