[CUDA] added missing __ldg(const signed char *)

Differential Revision: https://reviews.llvm.org/D45780

llvm-svn: 330280

1 files changed, 3 insertions, 0 deletions

diff --git a/clang/lib/Headers/__clang_cuda_intrinsics.h b/clang/lib/Headers/__clang_cuda_intrinsics.h
index 1794eb3dc1d..3c0cde94ed4 100644
--- a/clang/lib/Headers/__clang_cuda_intrinsics.h
+++ b/clang/lib/Headers/__clang_cuda_intrinsics.h
@@ -277,6 +277,9 @@ inline __device__ long long __ldg(const long long *ptr) {
 inline __device__ unsigned char __ldg(const unsigned char *ptr) {
   return __nvvm_ldg_uc(ptr);
 }
+inline __device__ signed char __ldg(const signed char *ptr) {
+  return __nvvm_ldg_uc((const unsigned char *)ptr);
+}
 inline __device__ unsigned short __ldg(const unsigned short *ptr) {
   return __nvvm_ldg_us(ptr);
 }