}
void MemoryAccess::setNewAccessRelation(__isl_take isl_map *NewAccess) {
+ assert(NewAccess);
+
+#ifndef NDEBUG
+ // Check domain space compatibility.
+ auto *NewSpace = isl_map_get_space(NewAccess);
+ auto *NewDomainSpace = isl_space_domain(isl_space_copy(NewSpace));
+ auto *OriginalDomainSpace = getStatement()->getDomainSpace();
+ assert(isl_space_has_equal_tuples(OriginalDomainSpace, NewDomainSpace));
+ isl_space_free(NewDomainSpace);
+ isl_space_free(OriginalDomainSpace);
+
+ // Check whether there is an access for every statement instance.
+ auto *StmtDomain = getStatement()->getDomain();
+ StmtDomain = isl_set_intersect_params(
+ StmtDomain, getStatement()->getParent()->getContext());
+ auto *NewDomain = isl_map_domain(isl_map_copy(NewAccess));
+ assert(isl_set_is_subset(StmtDomain, NewDomain) &&
+ "Partial accesses not supported");
+ isl_set_free(NewDomain);
+ isl_set_free(StmtDomain);
+
+ // Check whether access dimensions correspond to number of dimensions of the
+ // accesses array.
+ auto *NewAccessSpace = isl_space_range(NewSpace);
+ assert(isl_space_has_tuple_id(NewAccessSpace, isl_dim_set) &&
+ "Must specify the array that is accessed");
+ auto *NewArrayId = isl_space_get_tuple_id(NewAccessSpace, isl_dim_set);
+ auto *SAI = static_cast<ScopArrayInfo *>(isl_id_get_user(NewArrayId));
+ assert(SAI && "Must set a ScopArrayInfo");
+ assert(!SAI->getBasePtrOriginSAI() &&
+ "Indirect array not supported by codegen");
+ auto Dims = SAI->getNumberOfDimensions();
+ assert(isl_space_dim(NewAccessSpace, isl_dim_set) == Dims &&
+ "Access dims must match array dims");
+ isl_space_free(NewAccessSpace);
+ isl_id_free(NewArrayId);
+#endif
+
isl_map_free(NewAccessRelation);
NewAccessRelation = NewAccess;
}