Author: jlebar Date: Wed Sep 14 16:50:11 2016 New Revision: 281543 URL: http://llvm.org/viewvc/llvm-project?rev=281543&view=rev Log: [CUDA] Add test checking our ability to take a function pointer to a __global__ function on the host side.
Summary: This functionality is used by Thrust. Reviewers: tra Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D24581 Added: cfe/trunk/test/SemaCUDA/reference-to-kernel-fn.cu Added: cfe/trunk/test/SemaCUDA/reference-to-kernel-fn.cu URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaCUDA/reference-to-kernel-fn.cu?rev=281543&view=auto ============================================================================== --- cfe/trunk/test/SemaCUDA/reference-to-kernel-fn.cu (added) +++ cfe/trunk/test/SemaCUDA/reference-to-kernel-fn.cu Wed Sep 14 16:50:11 2016 @@ -0,0 +1,31 @@ +// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s +// RUN: %clang_cc1 -std=c++11 -fcuda-is-device -fsyntax-only -verify -DDEVICE %s + +// Check that we can reference (get a function pointer to) a __global__ +// function from the host side, but not the device side. (We don't yet support +// device-side kernel launches.) + +#include "Inputs/cuda.h" + +struct Dummy {}; + +__global__ void kernel() {} +// expected-note@-1 {{declared here}} +#ifdef DEVICE +// expected-note@-3 {{declared here}} +#endif + +typedef void (*fn_ptr_t)(); + +__host__ __device__ fn_ptr_t get_ptr_hd() { + return kernel; +#ifdef DEVICE + // expected-error@-2 {{reference to __global__ function}} +#endif +} +__host__ fn_ptr_t get_ptr_h() { + return kernel; +} +__device__ fn_ptr_t get_ptr_d() { + return kernel; // expected-error {{reference to __global__ function}} +} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
