Author: tstellar Date: Mon Jul 8 12:26:39 2013 New Revision: 185837 URL: http://llvm.org/viewvc/llvm-project?rev=185837&view=rev Log: Implement barrier() builtin
Reviewed and Tested-by: Aaron Watry <[email protected]> Added: libclc/trunk/r600/lib/synchronization/ libclc/trunk/r600/lib/synchronization/barrier.cl libclc/trunk/r600/lib/synchronization/barrier_impl.ll Modified: libclc/trunk/r600/lib/SOURCES Modified: libclc/trunk/r600/lib/SOURCES URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/r600/lib/SOURCES?rev=185837&r1=185836&r2=185837&view=diff ============================================================================== --- libclc/trunk/r600/lib/SOURCES (original) +++ libclc/trunk/r600/lib/SOURCES Mon Jul 8 12:26:39 2013 @@ -2,3 +2,5 @@ workitem/get_group_id.ll workitem/get_local_size.ll workitem/get_local_id.ll workitem/get_global_size.ll +synchronization/barrier.cl +synchronization/barrier_impl.ll Added: libclc/trunk/r600/lib/synchronization/barrier.cl URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/r600/lib/synchronization/barrier.cl?rev=185837&view=auto ============================================================================== --- libclc/trunk/r600/lib/synchronization/barrier.cl (added) +++ libclc/trunk/r600/lib/synchronization/barrier.cl Mon Jul 8 12:26:39 2013 @@ -0,0 +1,15 @@ + +#include <clc/clc.h> + +void barrier_local(void); +void barrier_global(void); + +void barrier(cl_mem_fence_flags flags) { + if (flags & CLK_LOCAL_MEM_FENCE) { + barrier_local(); + } + + if (flags & CLK_GLOBAL_MEM_FENCE) { + barrier_global(); + } +} Added: libclc/trunk/r600/lib/synchronization/barrier_impl.ll URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/r600/lib/synchronization/barrier_impl.ll?rev=185837&view=auto ============================================================================== --- libclc/trunk/r600/lib/synchronization/barrier_impl.ll (added) +++ libclc/trunk/r600/lib/synchronization/barrier_impl.ll Mon Jul 8 12:26:39 2013 @@ -0,0 +1,12 @@ +declare void @llvm.AMDGPU.barrier.local() nounwind +declare void @llvm.AMDGPU.barrier.global() nounwind + +define void @barrier_local() nounwind alwaysinline { + call void @llvm.AMDGPU.barrier.local() + ret void +} + +define void @barrier_global() nounwind alwaysinline { + call void @llvm.AMDGPU.barrier.global() + ret void +} _______________________________________________ cfe-commits mailing list [email protected] http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
