[Relax][PyTorch] Add support for decomposed operators and fix IR of ops tests(4)

python/tvm/relax/frontend/torch/exported_program_translator.py

@@ -1003,6 +1003,7 @@ def create_convert_map(
             "flip.default": self._flip,
             "gather.default": self._gather,
             "index.Tensor": self._index_tensor,
+            "index_put.default": self._index_put,
             "index_put_.default": self._index_put,
             "meshgrid.indexing": self._meshgrid,
             "meshgrid.default": self._meshgrid,
@@ -1041,6 +1042,9 @@ def create_convert_map(
             "contiguous.default": lambda node: self.env[node.args[0]],  # no-op
             "clone.default": lambda node: self.env[node.args[0]],
             "bernoulli.p": lambda node: self.env[node.args[0]],  # Dropout: just return input
+            "_assert_tensor_metadata.default": lambda node: self.env[
+                node.args[0]
+            ],  # metadata assertion: no-op
             "empty.memory_format": self._empty,
             "empty_permuted.default": self._empty,  # Similar to empty with permuted layout
             "empty_like.default": self._empty_like,