Dylan Fleming 20b0fa91c9 [SVE] Add support for folding for select + masked loads ...

Add folds to instcombine to support the removal of select instruction when the masked_load is guaranteed to zero the same lanes, i.e. select(mask, mload(,,mask,0), 0) -> mload(,,mask,0).

Patch originally authored by @paulwalker-arm

Reviewed By: david-arm

Differential Revision: https://reviews.llvm.org/D106376

2021-07-26 11:58:41 +01:00

128 KiB

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