cuda compute capability 5 uses libdevice 2.0
cuda compute capability 5 uses libdevice 2.0


Former-commit-id: 833f5c6d861b4a54a019985da30366a66d609a57
darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide