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| -rw-r--r-- | llvm/docs/CodeGenerator.rst | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/llvm/docs/CodeGenerator.rst b/llvm/docs/CodeGenerator.rst index 4753acdc6d1..090273524f2 100644 --- a/llvm/docs/CodeGenerator.rst +++ b/llvm/docs/CodeGenerator.rst @@ -919,23 +919,23 @@ are created from the shufflevector IR. The shufflevector forms that should be 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 |
