[CUDA] Change '__activemask' to use '__nvvm_activemask()' (#79892)

Summary: We recently added builitin support for this function.
llvm · Jan 29, 2024 · 51379a9 · 51379a9
1 parent 0a2b5b0
commit 51379a9
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/clang/lib/Headers/__clang_cuda_intrinsics.h b/clang/lib/Headers/__clang_cuda_intrinsics.h
@@ -215,9 +215,7 @@ inline __device__ unsigned int __activemask() {
 #if CUDA_VERSION < 9020
   return __nvvm_vote_ballot(1);
 #else
-  unsigned int mask;
-  asm volatile("activemask.b32 %0;" : "=r"(mask));
-  return mask;
+  return __nvvm_activemask();
 #endif
 }