This fixes a couple of Clang warnings in release builds of LLVM:
* Missing return in ISelLowering
* Unused variable in NVPTXutil.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156216 91177308-0d34-0410-b5e6-96231b3b80d8
The new target machines are:
nvptx (old ptx32) => 32-bit PTX
nvptx64 (old ptx64) => 64-bit PTX
The sources are based on the internal NVIDIA NVPTX back-end, and
contain more functionality than the current PTX back-end currently
provides.
NV_CONTRIB
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156196 91177308-0d34-0410-b5e6-96231b3b80d8