handled include:
* Vector select --- Each element of the vector is chosen from either of the
-corresponding elements of the 2 input vectors. This operation may also be
-known as a "blend" or "bitwise select" in target assembly. This type of shuffle
-maps directly to the ``shuffle_vector`` SelectionDAG node.
+ corresponding elements of the 2 input vectors. This operation may also be
+ known as a "blend" or "bitwise select" in target assembly. This type of shuffle
+ maps directly to the ``shuffle_vector`` SelectionDAG node.
* Insert subvector --- A vector is placed into a longer vector type starting
-at index 0. This type of shuffle maps directly to the ``insert_subvector``
-SelectionDAG node with the ``index`` operand set to 0.
+ at index 0. This type of shuffle maps directly to the ``insert_subvector``
+ SelectionDAG node with the ``index`` operand set to 0.
* Extract subvector --- A vector is pulled from a longer vector type starting
-at index 0. This type of shuffle maps directly to the ``extract_subvector``
-SelectionDAG node with the ``index`` operand set to 0.
+ at index 0. This type of shuffle maps directly to the ``extract_subvector``
+ SelectionDAG node with the ``index`` operand set to 0.
* Splat --- All elements of the vector have identical scalar elements. This
-operation may also be known as a "broadcast" or "duplicate" in target assembly.
-The shufflevector IR instruction may change the vector length, so this operation
-may map to multiple SelectionDAG nodes including ``shuffle_vector``,
-``concat_vectors``, ``insert_subvector``, and ``extract_subvector``.
+ operation may also be known as a "broadcast" or "duplicate" in target assembly.
+ The shufflevector IR instruction may change the vector length, so this operation
+ may map to multiple SelectionDAG nodes including ``shuffle_vector``,
+ ``concat_vectors``, ``insert_subvector``, and ``extract_subvector``.
Prior to the existence of the Legalize passes, we required that every target
`selector`_ supported and handled every operator and type even if they are not