RegisterCoalescer: Do not introduce uses of empty register classes#161809

arsenm merged 1 commit intomainllvm/llvm-project:mainfrom

users/arsenm/register-coalescer/avoid-using-regclasses-no-registersllvm/llvm-project:users/arsenm/register-coalescer/avoid-using-regclasses-no-registersCopy head branch name to clipboard