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Store THIR in IndexVecs instead of an Arena #83842

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merged 2 commits into from
May 19, 2021
Merged

Store THIR in IndexVecs instead of an Arena #83842

merged 2 commits into from
May 19, 2021

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LeSeulArtichaut
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@LeSeulArtichaut LeSeulArtichaut commented Apr 4, 2021 •
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This is a necessary step to store the THIR in a query: #85273. See relevant discussion on Zulip.

r? @ghost cc @cjgillot @nikomatsakis

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cjgillot commented Apr 4, 2021

@bors try @rust-timer queue

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Awaiting bors try build completion.

@rustbot label: +S-waiting-on-perf

@rustbot rustbot added the S-waiting-on-perf Status: Waiting on a perf run to be completed. label Apr 4, 2021
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bors commented Apr 4, 2021

⌛ Trying commit 222ac61592ccac5b91f8a3a16c3f385a1c6cb23e with merge d782db89e0c40c3406d6e9785d86798f2fb6419d...

@LeSeulArtichaut LeSeulArtichaut added the S-experimental Status: Ongoing experiment that does not require reviewing and won't be merged in its current state. label Apr 4, 2021
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cjgillot commented Apr 4, 2021

@bors try @rust-timer queue

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Awaiting bors try build completion.

@rustbot label: +S-waiting-on-perf

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bors commented Apr 4, 2021

⌛ Trying commit b760ebdd0512856ff5806a3984a75ee1a0bb60fd with merge 33f4e8ad3bd066cbf2e0ef92800759e35434b3c3...

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bors commented Apr 4, 2021

☀️ Try build successful - checks-actions
Build commit: 33f4e8ad3bd066cbf2e0ef92800759e35434b3c3 (33f4e8ad3bd066cbf2e0ef92800759e35434b3c3)

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Queued 33f4e8ad3bd066cbf2e0ef92800759e35434b3c3 with parent 88e7862, future comparison URL.

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Finished benchmarking try commit (33f4e8ad3bd066cbf2e0ef92800759e35434b3c3): comparison url.

Benchmarking this pull request likely means that it is perf-sensitive, so we're automatically marking it as not fit for rolling up. Please note that if the perf results are neutral, you should likely undo the rollup=never given below by specifying rollup- to bors.

Importantly, though, if the results of this run are non-neutral do not roll this PR up -- it will mask other regressions or improvements in the roll up.

@bors rollup=never
@rustbot label: +S-waiting-on-review -S-waiting-on-perf

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-perf Status: Waiting on a perf run to be completed. labels Apr 4, 2021
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@Mark-Simulacrum The perf impact hasn't been mitigated since the perf run you mentioned, but this allows us to create a stealable query for THIR (#85273). I've added a bit of context in the PR description.

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@bors r=nikomatsakis rollup=never

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bors commented May 19, 2021

📌 Commit 7093a21 has been approved by nikomatsakis

@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 May 19, 2021
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bors commented May 19, 2021

⌛ Testing commit 7093a21 with merge f2a2183241cdacc66f12cc7abdbd714550066537...

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bors commented May 19, 2021

💔 Test failed - checks-actions

@bors bors added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels May 19, 2021
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A job failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

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lqd commented May 19, 2021

Do we expect making a stealable query for THIR to alleviate the max-rss increase seen in the perf run above btw ?

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lqd commented May 19, 2021

@bors retry

looks like an intermittent failure, other PRs have had a networking issue on the same mac builder

@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 May 19, 2021
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bors commented May 19, 2021

⌛ Testing commit 7093a21 with merge f94942d...

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bors commented May 19, 2021

☀️ Test successful - checks-actions
Approved by: nikomatsakis
Pushing f94942d to master...

@bors bors added the merged-by-bors This PR was explicitly merged by bors. label May 19, 2021
@bors bors merged commit f94942d into rust-lang:master May 19, 2021
@rustbot rustbot added this to the 1.54.0 milestone May 19, 2021
This was referenced May 19, 2021
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@LeSeulArtichaut LeSeulArtichaut deleted the thir-vec branch May 19, 2021 21:53
@matthiaskrgr matthiaskrgr mentioned this pull request May 21, 2021
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GuillaumeGomez added a commit to GuillaumeGomez/rust that referenced this pull request May 21, 2021
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Rollup merge of rust-lang#85306 - LeSeulArtichaut:thir-unsafeck, r=ni…
88f5744 
…komatsakis

Add DerefOfRawPointer and CallToFunctionWith to THIR unsafeck

Extends THIR unsafeck to check for two more cases of unsafe operations: dereferences of raw pointers and calls to functions with `#[target_feature]` (RFC 2396). The check for the latter is pretty much copy-pasted from the existing MIR equivalent.

This will clash with rust-lang#83842 and rust-lang#85273 which are arguably more important, let's maybe focus on getting those merged first, this can wait.
r? `@nikomatsakis`
cc rust-lang/project-thir-unsafeck#7
bors added a commit to rust-lang-ci/rust that referenced this pull request May 25, 2021
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Auto merge of rust-lang#85273 - LeSeulArtichaut:thir-query, r=nikomat…
d568d63 
…sakis

Make building THIR a stealable query

This PR creates a stealable `thir_body` query so that we can build the THIR only once for THIR unsafeck and MIR build.

Blocked on rust-lang#83842.
r? `@nikomatsakis`
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@LeSeulArtichaut @rust-log-analyzer @cjgillot @rust-timer @bors @jonas-schievink @nikomatsakis @Mark-Simulacrum @lqd @rustbot