Sander de Smalen eac2638ec1 [AArch64][SVE] Fold away SETCC if original input was predicate vector. ...

This adds the following two folds:

Fold 1:
   setcc_merge_zero(
       all_active, extend(nxvNi1 ...), != splat(0))
  -> nxvNi1 ...

Fold 2:
   setcc_merge_zero(
       pred, extend(nxvNi1 ...), != splat(0))
  -> nxvNi1 and(pred, ...)

Reviewed By: david-arm

Differential Revision: https://reviews.llvm.org/D119334

2022-02-28 14:12:43 +00:00

2.6 KiB

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