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David Green
8241a13714
[ARM] Adjust how NEON shifts are lowered
This adjusts the way that we lower NEON shifts to use a DAG target node, not via a neon intrinsic. This is useful for handling MVE shifts operations in the same the way. It also renames some of the immediate shift nodes for consistency, and moves some of the processing of immediate shifts into LowerShift allowing it to capture more cases. Differential Revision: https://reviews.llvm.org/D64426 llvm-svn: 366051
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