Summary:
This adds the necessary target code to be able to run the ir translator.
Lowering function arguments and returns is a nop and there is no support
for RegBankSelect.
Reviewers: arsenm, qcolombet
Subscribers: arsenm, joker.eph, vkalintiris, llvm-commits
Differential Revision: http://reviews.llvm.org/D19077
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266356 91177308-0d34-0410-b5e6-96231b3b80d8