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Fix bug in unboxing decision code + use max unboxing depth cli flag #446
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Merged
Gbury
merged 9 commits into
ocaml-flambda:flambda2.0-stable
from
Gbury:use_max_unboxing_depth
May 26, 2021
Merged
Fix bug in unboxing decision code + use max unboxing depth cli flag #446
Gbury
merged 9 commits into
ocaml-flambda:flambda2.0-stable
from
Gbury:use_max_unboxing_depth
May 26, 2021
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So, in this case, CI found a bug with the new implementation of unboxing (this PR triggers it because it makes the default max unboxing depth go from 1 to 3). I think I see what the bug is, I'm working on fixing it. |
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This PR now also fixes a bug in the unboxing code, see the commit message. |
In some cases, a generated poison values for an unboxed arg was later "transformed" into an available simple pointing to the "invalid" constant for the adequate kind. This could bring problem where a constant value is then passed to a deeper decisions that expects a variant with no constant constructors.
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This has been rebased, so it should be good for merging once CI is green. |
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