Revert r273313 "[NVPTX] Improve lowering of byval args of device functions."

The change causes llvm crash in some unoptimized builds.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@274163 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed