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6f6b3d4f7a
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
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