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[Experiment] Play with match lowering #119031

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wants to merge 9 commits into from
Closed

[Experiment] Play with match lowering #119031

wants to merge 9 commits into from

Commits on Mar 2, 2024

  1. Add tests

    @Nadrieril
    Nadrieril committed Mar 2, 2024
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  2. Tweak test_candidates_with_or

    @Nadrieril
    Nadrieril committed Mar 2, 2024
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  3. Precompute the presence of bindings and ascriptions

    @Nadrieril
    Nadrieril committed Mar 2, 2024
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  4. Improve or-pattern simplification 

    We can now tell ahead of time whether and or-pattern will be
simplifiable or not. We use this to clarify the possible code paths.
    @Nadrieril
    Nadrieril committed Mar 2, 2024
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  5. Tiny missed simplification

    @Nadrieril
    Nadrieril committed Mar 2, 2024
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  6. Use an enum instead of manually tracking indices for target_blocks

    @Nadrieril
    Nadrieril committed Mar 2, 2024
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  7. Allocate candidate vectors as we sort them

    @Nadrieril
    Nadrieril committed Mar 2, 2024
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  8. No need to collect test variants ahead of time

    @Nadrieril
    Nadrieril committed Mar 2, 2024
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  9. Fix a subtle regression 

    Before, the SwitchInt cases were computed in two passes: if the first
pass accepted e.g. 0..=5 and then 1, the second pass would not accept
0..=5 anymore because 1 would be listed in the SwitchInt options.

Now there's a single pass, so if we sort 0..=5 we must take care to not
sort a subsequent 1.
    @Nadrieril
    Nadrieril committed Mar 2, 2024
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