[SYCL] Don't use secondary queue for fallback (#18188)

Secondary queue is optional in SYCL Spec.

---------

Signed-off-by: Agarwal, Udit <[email protected]>

Author: uditagarwal97

sycl/source/detail/queue_impl.hpp

@@ -374,23 +374,9 @@ class queue_impl {
                           const std::shared_ptr<queue_impl> &Self,
                           const SubmissionInfo &SubmitInfo,
                           const detail::code_location &Loc, bool IsTopCodeLoc) {
-    if (SubmitInfo.SecondaryQueue()) {
-      event ResEvent;
-      const std::shared_ptr<queue_impl> &SecondQueue =
-          SubmitInfo.SecondaryQueue();
-      try {
-        ResEvent = submit_impl(CGF, Self, Self, SecondQueue,
-                               /*CallerNeedsEvent=*/true, Loc, IsTopCodeLoc,
-                               SubmitInfo);
-      } catch (...) {
-        ResEvent = SecondQueue->submit_impl(CGF, SecondQueue, Self, SecondQueue,
-                                            /*CallerNeedsEvent=*/true, Loc,
-                                            IsTopCodeLoc, SubmitInfo);
-      }
-      return ResEvent;
-    }
+
     event ResEvent =
-        submit_impl(CGF, Self, Self, nullptr,
+        submit_impl(CGF, Self, Self, SubmitInfo.SecondaryQueue(),
                     /*CallerNeedsEvent=*/true, Loc, IsTopCodeLoc, SubmitInfo);
     return discard_or_return(ResEvent);
   }
@@ -400,21 +386,8 @@ class queue_impl {
                             const SubmissionInfo &SubmitInfo,
                             const detail::code_location &Loc,
                             bool IsTopCodeLoc) {
-    if (SubmitInfo.SecondaryQueue()) {
-      const std::shared_ptr<queue_impl> SecondQueue =
-          SubmitInfo.SecondaryQueue();
-      try {
-        submit_impl(CGF, Self, Self, SecondQueue,
-                    /*CallerNeedsEvent=*/false, Loc, IsTopCodeLoc, SubmitInfo);
-      } catch (...) {
-        SecondQueue->submit_impl(CGF, SecondQueue, Self, SecondQueue,
-                                 /*CallerNeedsEvent=*/false, Loc, IsTopCodeLoc,
-                                 SubmitInfo);
-      }
-    } else {
-      submit_impl(CGF, Self, Self, nullptr, /*CallerNeedsEvent=*/false, Loc,
-                  IsTopCodeLoc, SubmitInfo);
-    }
+    submit_impl(CGF, Self, Self, SubmitInfo.SecondaryQueue(),
+                /*CallerNeedsEvent=*/false, Loc, IsTopCodeLoc, SubmitInfo);
   }
 
   /// Performs a blocking wait for the completion of all enqueued tasks in the

sycl/source/handler.cpp

@@ -1928,34 +1928,28 @@ void handler::verifyDeviceHasProgressGuarantee(
 }
 
 bool handler::supportsUSMMemcpy2D() {
-  for (detail::queue_impl *QueueImpl :
-       {impl->MSubmissionPrimaryQueue, impl->MSubmissionSecondaryQueue}) {
-    if (QueueImpl &&
-        !checkContextSupports(QueueImpl->getContextImplPtr(),
-                              UR_CONTEXT_INFO_USM_MEMCPY2D_SUPPORT))
-      return false;
-  }
-  return true;
+  auto &PrimQueue = impl->MSubmissionPrimaryQueue;
+  if (PrimQueue)
+    return checkContextSupports(PrimQueue->getContextImplPtr(),
+                                UR_CONTEXT_INFO_USM_MEMCPY2D_SUPPORT);
+  else
+    // Return true when handler_impl is constructed with a graph.
+    return true;
 }
 
 bool handler::supportsUSMFill2D() {
-  for (detail::queue_impl *QueueImpl :
-       {impl->MSubmissionPrimaryQueue, impl->MSubmissionSecondaryQueue}) {
-    if (QueueImpl && !checkContextSupports(QueueImpl->getContextImplPtr(),
-                                           UR_CONTEXT_INFO_USM_FILL2D_SUPPORT))
-      return false;
-  }
-  return true;
+  auto &PrimQueue = impl->MSubmissionPrimaryQueue;
+  if (PrimQueue)
+    return checkContextSupports(PrimQueue->getContextImplPtr(),
+                                UR_CONTEXT_INFO_USM_FILL2D_SUPPORT);
+  else
+    // Return true when handler_impl is constructed with a graph.
+    return true;
 }
 
 bool handler::supportsUSMMemset2D() {
-  for (detail::queue_impl *QueueImpl :
-       {impl->MSubmissionPrimaryQueue, impl->MSubmissionSecondaryQueue}) {
-    if (QueueImpl && !checkContextSupports(QueueImpl->getContextImplPtr(),
-                                           UR_CONTEXT_INFO_USM_FILL2D_SUPPORT))
-      return false;
-  }
-  return true;
+  // memset use the same UR check as fill2D.
+  return supportsUSMFill2D();
 }
 
 id<2> handler::computeFallbackKernelBounds(size_t Width, size_t Height) {