use AA::isNoAlias instead of open coding it.  Remove an extraneous noalias check:
there is no need to check to see if the source and dest of a memcpy are noalias,
behavior is undefined if not.

llvm-svn: 119691
1 file changed
tree: 5e6a99e104a927f75c7b44ab1a5d56e466cccccb
  1. clang/
  2. compiler-rt/
  3. debuginfo-tests/
  4. libcxx/
  5. lldb/
  6. llvm/