[OPENMP][CUDA]Use __syncthreads when compiled by nvcc and clang >= 9.0.
The problems with __syncthreads() were fixed in clang >= 9.0 and the
original __syncthreads() can be used instead of the ptx instruction.
Subscribers: guansong, jdoerfert, openmp-commits, kkwli0, caomhin
Differential Revision: https://reviews.llvm.org/D63515
git-svn-id: https://llvm.org/svn/llvm-project/openmp/trunk@363807 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed