[OpenMP][libomptarget] Fix AsyncInfoTy object in omp_target_memcpy

The AsyncInfoTy should be created in the same device as the async operation will be issued. In omp_target_memcpy, the AsyncInfoTy for the host to destination device transfer was created referring to the source device.

Reviewed By: tianshilei1992

Differential Revision: https://reviews.llvm.org/D137225

diff --git a/openmp/libomptarget/src/api.cpp b/openmp/libomptarget/src/api.cpp
index d65ca0b..f408449 100644 (file)
--- a/openmp/libomptarget/src/api.cpp
+++ b/openmp/libomptarget/src/api.cpp
@@ -190,7 +190,7 @@ EXTERN int omp_target_memcpy(void *Dst, const void *Src, size_t Length,
       Rc = SrcDev.retrieveData(Buffer, SrcAddr, Length, AsyncInfo);
     }
     if (Rc == OFFLOAD_SUCCESS) {
-      AsyncInfoTy AsyncInfo(SrcDev);
+      AsyncInfoTy AsyncInfo(DstDev);
       Rc = DstDev.submitData(DstAddr, Buffer, Length, AsyncInfo);
     }
     free(Buffer);