[all-commits] [llvm/llvm-project] 0e21f1: [SelectionDAG] Extend WidenVecOp_INSERT_SUBVECTOR ...
paulwalker-arm via All-commits
all-commits at lists.llvm.org
Fri Jun 17 05:41:29 PDT 2022
Author: Paul Walker <paul.walker at arm.com>
Date: 2022-06-17 (Fri, 17 Jun 2022)
[SelectionDAG] Extend WidenVecOp_INSERT_SUBVECTOR to cover more cases.
WidenVecOp_INSERT_SUBVECTOR only supported cases where widening
effectively converts the insert into a copy. However, when the
widened subvector is no bigger than the vector being inserted into
and we can be sure there's no loss of data, we can simply emit
Differential Revision: https://reviews.llvm.org/D127508
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