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Eli Friedman e1bca7c7bb [AArch64][SVE] Implement SPLAT_VECTOR for i1 vectors.
The generated sequence with whilelo is unintuitive, but it's the best
I could come up with given the limited number of SVE instructions that
interact with scalar registers. The other sequence I was considering
was something like dup+cmpne, but an extra scalar instruction seems
better than an extra vector instruction.

Differential Revision: https://reviews.llvm.org/D71160
2019-12-09 15:09:33 -08:00
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2019-11-19 23:42:37 -08:00