Fixes test failures after r277542 on systems that don't have CUDA installed. llvm-svn: 277552
Summary: This lets us emit e.g. sin.approx.f32. See http://docs.nvidia.com/cuda/parallel-thread-execution/#floating-point-instructions-sin Reviewers: rnk Subscribers: tra, cfe-commits Differential Revision: http://reviews.llvm.org/D20493 llvm-svn: 270484