fix: BorrowArray discard handler allows elements to be borrowed#2666
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fix: BorrowArray discard handler allows elements to be borrowed#2666
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #2666 +/- ##
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+ Coverage 83.41% 83.46% +0.04%
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aborgna-q
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I had to add hugr-passes as a dev dependency of hugr-llvm
Should be fine, It makes more sense than testing llvm code on hugr-passes. If needed, we can move things to integration tests later.
I suggest we make the "drop" op public as part of some hugr-passes extension
Maybe open an issue?
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## 🤖 New release * `hugr-model`: 0.24.2 -> 0.24.3 (✓ API compatible changes) * `hugr-core`: 0.24.2 -> 0.24.3 * `hugr-llvm`: 0.24.2 -> 0.24.3 (✓ API compatible changes) * `hugr-passes`: 0.24.2 -> 0.24.3 (✓ API compatible changes) * `hugr`: 0.24.2 -> 0.24.3 (✓ API compatible changes) * `hugr-cli`: 0.24.2 -> 0.24.3 (✓ API compatible changes) * `hugr-persistent`: 0.3.3 -> 0.3.4 <details><summary><i><b>Changelog</b></i></summary><p> ## `hugr-model` <blockquote> ## [0.24.1](hugr-model-v0.24.0...hugr-model-v0.24.1) - 2025-11-03 ### Bug Fixes - Correct conversion of `table::Term::Tuple` to `ast::Term` ([#2653](#2653)) </blockquote> ## `hugr-core` <blockquote> ## [0.24.1](hugr-core-v0.24.0...hugr-core-v0.24.1) - 2025-11-03 ### Bug Fixes - validation outside entrypoint, normalize_cfgs w/ nonlocal edges ([#2633](#2633)) - SiblingSubgraph::try_from_nodes for non-entrypoint region ([#2655](#2655)) - Correct conversion of `table::Term::Tuple` to `ast::Term` ([#2653](#2653)) ### New Features - track package descriptions when loading ([#2639](#2639)) - *(cli)* describe sub-command ([#2650](#2650)) </blockquote> ## `hugr-llvm` <blockquote> ## [0.24.3](hugr-llvm-v0.24.2...hugr-llvm-v0.24.3) - 2025-11-06 ### Bug Fixes - BorrowArray discard handler allows elements to be borrowed ([#2666](#2666)) </blockquote> ## `hugr-passes` <blockquote> ## [0.24.3](hugr-passes-v0.24.2...hugr-passes-v0.24.3) - 2025-11-06 ### Bug Fixes - BorrowArray discard handler allows elements to be borrowed ([#2666](#2666)) </blockquote> ## `hugr` <blockquote> ## [0.24.3](hugr-v0.24.2...hugr-v0.24.3) - 2025-11-06 ### Bug Fixes - BorrowArray discard handler allows elements to be borrowed ([#2666](#2666)) </blockquote> ## `hugr-cli` <blockquote> ## [0.24.1](hugr-cli-v0.24.0...hugr-cli-v0.24.1) - 2025-11-03 ### New Features - track package descriptions when loading ([#2639](#2639)) - *(cli)* describe sub-command ([#2650](#2650)) </blockquote> ## `hugr-persistent` <blockquote> ## [0.3.2](hugr-persistent-v0.3.1...hugr-persistent-v0.3.2) - 2025-11-03 ### New Features - *(persistent)* More efficient HugrView iterators for PersistentHugr ([#2595](#2595)) </blockquote> </p></details> --- This PR was generated with [release-plz](https://github.com/release-plz/release-plz/).
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Looks like #1230 changed the snapshots, but my local wheel cache didn't update. This PR includes some fixes: - Update the pytest snapshots of qis-compiler, with the changes arising from Quantinuum/hugr#2666 and published in `hugr 0.23.4`. - Ensures that the required CI checks fail if `tests-qis-compiler` fails. (And makes sure we don't omit new requirements again). - Adds `update-snapshots-py` to the justfile
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🤖 I have created a release *beep* *boop* --- ## [0.2.10](qis-compiler-v0.2.9...qis-compiler-v0.2.10) (2025-11-10) ### Features * add GPU lowering to selene-hugr-qis-compiler ([#1169](#1169)) ([bcf1d4c](bcf1d4c)) ### Bug Fixes * Fix runtime panic when iterating through arrays of affine/bool types ([hugr#2666](Quantinuum/hugr#2666)) ([01b8a8e](01b8a8e)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: Agustín Borgna <[email protected]> Co-authored-by: Agustín Borgna <[email protected]>
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fixes Quantinuum/guppylang#1330
This is a mass of Hugr construction; the alternative of adding a new op to BorrowArray would do much the same in LLVM, and I don't think the increase in Hugr size should be very much - compared to a standard linear array discard, we have TailLoop rather than ArrayScan, with merely an extra conditional around the discarding of each element (and nodes moved into the main Hugr rather than a Value::Function, so it looks bigger).
Note there is no need to do this for BorrowArray::discard (the copyable-elements-only function), as that doesn't check borrowedness; copyable elements don't need discard functions so we just deallocate the lot without looking what's there.
I added hugr-passes as a dev dependency of hugr-llvm to get an execution test, and verified switching-round the senses of conditionals made this fail, which gives some confidence it's correct ;)