Construct builder from operaion

Co-authored-by: Thomas Raoux <thomas.raoux@openai.com>

Author: khasanovaa

lib/Dialect/TritonNvidiaGPU/Transforms/InterleaveTMem.cpp

@@ -62,8 +62,7 @@ std::pair<Value, AccessRange> findBufferAccess(Value a);
 
 std::pair<Value, AccessRange>
 findBufferAccessMemdescSubview(Operation *subview) {
-  OpBuilder builder(subview->getContext());
-  builder.setInsertionPoint(subview);
+  OpBuilder builder(subview);
   Location loc = subview->getLoc();
   TypedValue<ttg::MemDescType> src;
   SmallVector<int64_t> shape;