Sync from upstream TF.

Author: TFLM-bot

tensorflow/lite/core/api/flatbuffer_conversions.cc

@@ -487,6 +487,10 @@ TfLiteStatus ParseOpDataTfLite(const Operator* op, BuiltinOperator op_type,
       return ParseRsqrt(op, error_reporter, allocator, builtin_data);
     }
 
+    case BuiltinOperator_SELECT: {
+      return ParseSelect(op, error_reporter, allocator, builtin_data);
+    }
+
     case BuiltinOperator_SELECT_V2: {
       return ParseSelectV2(op, error_reporter, allocator, builtin_data);
     }
@@ -1004,7 +1008,6 @@ TfLiteStatus ParseOpDataTfLite(const Operator* op, BuiltinOperator op_type,
     case BuiltinOperator_RELU_N1_TO_1:
     case BuiltinOperator_RELU_0_TO_1:
     case BuiltinOperator_SCATTER_ND:
-    case BuiltinOperator_SELECT:
     case BuiltinOperator_SLICE:
     case BuiltinOperator_TILE:
     case BuiltinOperator_TOPK_V2:
@@ -2509,6 +2512,14 @@ TfLiteStatus ParseRsqrt(const Operator*, ErrorReporter*, BuiltinDataAllocator*,
   return kTfLiteOk;
 }
 
+// We have this parse function instead of directly returning kTfLiteOk from the
+// switch-case in ParseOpData because this function is used as part of the
+// selective registration for the OpResolver implementation in micro.
+TfLiteStatus ParseSelect(const Operator*, ErrorReporter*, BuiltinDataAllocator*,
+                         void**) {
+  return kTfLiteOk;
+}
+
 // We have this parse function instead of directly returning kTfLiteOk from the
 // switch-case in ParseOpData because this function is used as part of the
 // selective registration for the OpResolver implementation in micro.

tensorflow/lite/core/api/flatbuffer_conversions.h

@@ -333,6 +333,9 @@ TfLiteStatus ParseRound(const Operator* op, ErrorReporter* error_reporter,
 TfLiteStatus ParseRsqrt(const Operator* op, ErrorReporter* error_reporter,
                         BuiltinDataAllocator* allocator, void** builtin_data);
 
+TfLiteStatus ParseSelect(const Operator* op, ErrorReporter* error_reporter,
+                         BuiltinDataAllocator* allocator, void** builtin_data);
+
 TfLiteStatus ParseSelectV2(const Operator* op, ErrorReporter* error_reporter,
                            BuiltinDataAllocator* allocator,
                            void** builtin_data);

tensorflow/lite/core/c/common.h

@@ -1352,7 +1352,15 @@ typedef enum TfLiteDelegateFlags {
   /// operator information using `Profiler::EventType::OPERATOR_INVOKE_EVENT`
   /// and the results will appear in the operator-wise Profiling section and not
   /// in the Delegate internal section.
-  kTfLiteDelegateFlagsPerOperatorProfiling = 4
+  kTfLiteDelegateFlagsPerOperatorProfiling = 4,
+
+  // This flag can be used by callers to hint that the delegate is likely to
+  // delegate the entire graph to a single delegate so certain allocations can
+  // be skipped.
+  // This is an ADVANCED feature and should only be used if the caller has
+  // prior knowledge that the delegate will fully delegate all subgraphs
+  // to a single delegate.
+  kTfLiteDelegateFlagsHintFullyDelegatedToSingleDelegate = 8,
 } TfLiteDelegateFlags;
 
 /// WARNING: This is an experimental interface that is subject to change.