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Propagate locals, even if they have unpropagatable assignments somewhere #72135

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Merged
merged 4 commits into from
May 17, 2020
Merged

Propagate locals, even if they have unpropagatable assignments somewhere #72135

merged 4 commits into from
May 17, 2020

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oli-obk
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@oli-obk oli-obk commented May 12, 2020

Second try for #71946 (comment)

r? @wesleywiser

cc @rust-lang/wg-mir-opt @RalfJung

@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label May 12, 2020
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@bors try @rust-timer queue

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Awaiting bors try build completion

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bors commented May 12, 2020

⌛ Trying commit 0a785cd with merge b75ab6aef59abf16a83fbec1804dce3a74244824...

wesleywiser
wesleywiser approved these changes May 12, 2020
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src/test/mir-opt/const_prop/mutable_variable_aggregate_partial_read/rustc.main.ConstProp.diff Outdated
// mir::Constant
// + span: $DIR/mutable_variable_aggregate_partial_read.rs:6:11: 6:13
- // + span: $DIR/mutable_variable_aggregate_partial_read.rs:6:11: 6:13
+ // + span: $DIR/mutable_variable_aggregate_partial_read.rs:6:5: 6:13
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I should pull 060e437b776e238a492372fbb278fdc27fef1128 out of #71911 and get that merged so we can eliminate this kind of noise from the const prop tests.

wesleywiser
wesleywiser reviewed May 12, 2020
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src/librustc_mir/transform/const_prop.rs
// implement.
trace!(
"propagation into {:?} failed.
Nuking the entire site from orbit, it's the only way to be sure",
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👏

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bors commented May 12, 2020

☀️ Try build successful - checks-actions, checks-azure
Build commit: b75ab6aef59abf16a83fbec1804dce3a74244824 (b75ab6aef59abf16a83fbec1804dce3a74244824)

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Queued b75ab6aef59abf16a83fbec1804dce3a74244824 with parent d903a9d, future comparison URL.

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Finished benchmarking try commit b75ab6aef59abf16a83fbec1804dce3a74244824, comparison URL.

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@bors r+

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bors commented May 13, 2020

📌 Commit 0a785cd has been approved by wesleywiser

@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 13, 2020
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bors commented May 16, 2020

⌛ Testing commit 0a785cd with merge edfb262856755d7532ca4cb452d5668360e68f9b...

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bors commented May 16, 2020

💔 Test failed - checks-azure

@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 16, 2020
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@oli-obk I took the liberty of pushing a commit to your branch which blesses the new tests again since #72220 landed.

r=me if you're ok with that 🙂

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LGTM. @bors r=wesleywiser

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bors commented May 17, 2020

📌 Commit 27c818b has been approved by wesleywiser

@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 17, 2020
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bors commented May 17, 2020

⌛ Testing commit 27c818b with merge 7faeae0...

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bors commented May 17, 2020

☀️ Test successful - checks-azure
Approved by: wesleywiser
Pushing 7faeae0 to master...

@bors bors added the merged-by-bors This PR was explicitly merged by bors. label May 17, 2020
@bors bors merged commit 7faeae0 into rust-lang:master May 17, 2020
@oli-obk oli-obk deleted the const_prop_deaggregates branch May 18, 2020 17:11
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