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Miri refactor: Final round #53779

Merged
merged 7 commits into from Aug 31, 2018
Merged

Miri refactor: Final round #53779

merged 7 commits into from Aug 31, 2018

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RalfJung
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Tying up some loose ends that I noticed in the previous PRs -- and finally getting argument passing into a shape where @eddyb says it is "okay", which is a big improvement over the previous verdict that I cannot quote in public. ;)

Also move a bunch of useful helpers to construct Scalar from miri to here.

Cc @eddyb
r? @oli-obk

@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Aug 29, 2018
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oli-obk commented Aug 29, 2018

@bors r+

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bors commented Aug 29, 2018

📌 Commit b06a8db has been approved by oli-obk

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Aug 29, 2018
@RalfJung RalfJung mentioned this pull request Aug 30, 2018
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oli-obk commented Aug 30, 2018

@bors r+

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bors commented Aug 30, 2018

📌 Commit 97d693a has been approved by oli-obk

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@bors p=21 (rollup fairness)

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bors commented Aug 31, 2018

⌛ Testing commit 97d693a with merge 8adc69a...

bors added a commit that referenced this pull request Aug 31, 2018
Miri refactor: Final round

Tying up some loose ends that I noticed in the previous PRs -- and finally getting argument passing into a shape where @eddyb says it is "okay", which is a big improvement over the previous verdict that I cannot quote in public. ;)

Also move a bunch of useful helpers to construct `Scalar` from miri to here.

Cc @eddyb
r? @oli-obk
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bors commented Aug 31, 2018

☀️ Test successful - status-appveyor, status-travis
Approved by: oli-obk
Pushing 8adc69a to master...

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Eh2406 commented Aug 31, 2018

This is a small 5% loss for perf

@RalfJung RalfJung deleted the miri-refactor branch September 1, 2018 09:06
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RalfJung commented Sep 1, 2018

Interesting, function calls do one query less, but they are more careful about argument passing, so maybe that costs more than the query saves.

Scalar::Bits { bits, .. } => bits == 0,
Scalar::Ptr(_) => false
}
}
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Uh... when did this happen? I feel it wasn't present in my original review, but I may have missed it.

I don't like this function because for pointers, it cannot reliably tell you whether this is NULL or not. There might have been overflow. That's why I deliberately removed this function recently.

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Oh lol, never mind, I am looking at the wrong PR. We have too many PRs called "miri refactor".^^

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6 participants