[mlir][linalg][bufferize] Fix bug in getInplaceableOpResult

[nicolasvasilache]

mlir/lib/Dialect/Linalg/Transforms/ComprehensiveBufferize.cpp

511

@jpienaar @mehdi_amini @rriddle did we settle on what we want to allow in Tablegen wrt named get opoperand?

mlir/lib/Dialect/Linalg/Transforms/ComprehensiveBufferize.cpp

if (opOperand.get() != op.source() ||
     return OpResult();
   return op->getResult(0);
 }
 
 /// Return the OpResult that may bufferize into the same buffer as `opOperand`
 /// when the op is bufferized inplace.
 /// Return null if no such result exists.
 static OpResult getInplaceableOpResult(InsertSliceOp op, OpOperand &opOperand) {
-  if (opOperand.get() != op.dest())
+  if (&opOperand != &op->getOpOperand(1) /*dest*/)
     return OpResult();
   return op->getResult(0);
 }
 
 /// Return the OpResult that may bufferize into the same buffer as `opOperand`
 /// when the op is bufferized inplace.
 /// Return null if no such result exists.
 static OpResult getInplaceableOpResult(tensor::CastOp op,