Move interpreter check before modifying the allocation type.

llvm/lib/Analysis/TFLiteUtils.cpp

if (!Model) {
     invalidate();
     return;
   }
 
   tflite::ops::builtin::BuiltinOpResolver Resolver;
   tflite::InterpreterBuilder Builder(*Model, Resolver);
   Builder(&Interpreter);
 
+  if (!Interpreter) {
+    invalidate();
+    return;
+  }
+
   // We assume the input buffers are valid for the lifetime of the interpreter.
   // By default, tflite allocates memory in an arena and will periodically take
   // away memory and reallocate it in a different location after evaluations in
   // order to improve utilization of the buffers owned in the arena. So, we
   // explicitly mark our input buffers as persistent to avoid this behavior.
   for (size_t I = 0; I < Interpreter->inputs().size(); ++I)
     Interpreter->tensor(I)->allocation_type =
         TfLiteAllocationType::kTfLiteArenaRwPersistent;
 
-  if (!Interpreter ||
-      Interpreter->AllocateTensors() != TfLiteStatus::kTfLiteOk) {
+  if (Interpreter->AllocateTensors() != TfLiteStatus::kTfLiteOk) {
     invalidate();
     return;
   }
   // Known inputs and outputs
   StringMap<int> InputsMap;
   StringMap<int> OutputsMap;
   for (size_t I = 0; I < Interpreter->inputs().size(); ++I)
     InputsMap[Interpreter->GetInputName(I)] = I;