tree d3e619110ba80910dcd6ee5113d89215118b649a
parent 5337bd761a9d31da1aeea247917c087366059fb5
author Ben Vanik <ben.vanik@gmail.com> 1715442714 -0700
committer GitHub <noreply@github.com> 1715442714 +0000
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Replacing hal.tensor.export storage for hal.tensor.alias. (#17339)

This fixes a design issue in the original `hal.tensor.export` optional
storage feature that would lead to the export happening after any
`hal.tensor.barrier` ops that may have been used on the source tensor.
The new op is intended to be inserted prior to the barriers and can also
be inserted elsewhere (not just at ABI boundaries).

Minor improvements were required to folding of `stream.async.update` in
order to ensure the aliased buffers are used in cases where barriers are
present between producers and the alias ops consuming the values. #17135
made the folder too conservative and would result in all in-place
operations of external values getting extra copies.

Fixes #17316.