Fix predicated load/store of one-lane vectors#8924
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abadams
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Jan 27, 2026
mcourteaux
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| // This schedule creates a situation where f1 is computed with a | ||
| // vectorized loop that requires predicated loads/stores for the | ||
| // final single element. | ||
| f2.split(x, xo, xi, w); |
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Shouldn't you explicitly select a Predicated tail strategy? Auto might select guard with if?
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GuardWithIf currently generates a predicate, but yes it might be more future proof to use TailStrategy::Predicate here
| // vectorized loop that requires predicated loads/stores for the | ||
| // final single element. | ||
| f2.split(x, xo, xi, w); | ||
| f1.compute_at(f2, xo).vectorize(x); // effective vector width = w + 1 |
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Or in vectorize set the tail strategy?
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Fixes #8922