Update LLVM by nikic · Pull Request #159106 · rust-lang/rust

nikic · 2026-07-10T21:07:05Z

Backport the fix for #159035.

rustbot · 2026-07-10T21:07:09Z

rustbot has assigned @cuviper.
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Owners of files modified in this PR: @cuviper

rustbot · 2026-07-10T21:07:10Z

⚠️ Warning ⚠️

Some commits in this PR modify submodules.

If this was not intentional, see I changed a submodule on accident in the rustc dev guide.

workingjubilee · 2026-07-10T21:09:44Z

@bors r+

rust-bors · 2026-07-10T21:09:47Z

📌 Commit bfcb5ad has been approved by workingjubilee

It is now in the queue for this repository.

tgross35 · 2026-07-10T21:15:17Z

Note that it looks like there hasn't been an LLVM cherry pick yet

nikic · 2026-07-10T21:18:56Z

Note that it looks like there hasn't been an LLVM cherry pick yet

There won't be one, as LLVM 22 is EOL and no longer accepts backports.

Update LLVM Backport the fix for rust-lang#159035.

saethlin · 2026-07-11T01:38:20Z

@bors p=1

Rollup of 15 pull requests Successful merges: - #159106 (Update LLVM) - #157690 (codegen_ssa: pack small const aggregates into immediate stores) - #159005 (Use `as_lang_item` instead of repeatedly matching) - #156735 (Move NativeLib::filename to the rmeta-link archive member) - #157153 (allow `Allocator`s to be used as `#[global_allocator]`s) - #158269 (jq directives for jsondocck) - #158767 (merge DefKind::InlineConst into AnonConst) - #159099 (Stabilize String::from_utf8_lossy_owned) - #158930 (Reorganize `tests/ui/issues` [20/N]) - #158965 (Add codegen test for Result is_ok unwrap) - #158979 (Reorganize `tests/ui/issues` [21/N]) - #159050 (assert only opaques with sub unified hidden infer are non-rigid) - #159062 (Remove unused WEAK_ONLY_LANG_ITEMS static) - #159070 (Add `io::ErrorKind::InputOutputError`) - #159092 (make volatile operations const)

rust-bors · 2026-07-11T05:09:16Z

⌛ Testing commit bfcb5ad with merge 2c8db3c...

Workflow: https://github.com/rust-lang/rust/actions/runs/29140763285

Update LLVM Backport the fix for #159035.

jhpratt · 2026-07-11T05:15:05Z

@bors yield

Trying the encompassing rollup again.

rust-bors · 2026-07-11T05:15:08Z

Auto build was cancelled. Cancelled workflows:

https://github.com/rust-lang/rust/actions/runs/29140763285

The next pull request likely to be tested is #159113.

Rollup of 15 pull requests Successful merges: - #159106 (Update LLVM) - #157690 (codegen_ssa: pack small const aggregates into immediate stores) - #159005 (Use `as_lang_item` instead of repeatedly matching) - #156735 (Move NativeLib::filename to the rmeta-link archive member) - #157153 (allow `Allocator`s to be used as `#[global_allocator]`s) - #158269 (jq directives for jsondocck) - #158767 (merge DefKind::InlineConst into AnonConst) - #159099 (Stabilize String::from_utf8_lossy_owned) - #158930 (Reorganize `tests/ui/issues` [20/N]) - #158965 (Add codegen test for Result is_ok unwrap) - #158979 (Reorganize `tests/ui/issues` [21/N]) - #159050 (assert only opaques with sub unified hidden infer are non-rigid) - #159062 (Remove unused WEAK_ONLY_LANG_ITEMS static) - #159070 (Add `io::ErrorKind::InputOutputError`) - #159092 (make volatile operations const)

Rollup merge of #159106 - nikic:llvm-update-3, r=workingjubilee Update LLVM Backport the fix for #159035.

JonathanBrouwer · 2026-07-12T07:37:50Z

@rust-timer build 29c8f86

rust-timer · 2026-07-12T08:18:33Z

Finished benchmarking commit (29c8f86): comparison URL.

Overall result: no relevant changes - no action needed

Benchmarking means the PR may be perf-sensitive. Consider adding rollup=never if this change is not fit for rolling up.

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

Instruction count

This perf run didn't have relevant results for this metric.

Max RSS (memory usage)

Results (primary 1.2%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	1.2%	[1.2%, 1.2%]	1
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	1.2%	[1.2%, 1.2%]	1

Cycles

Results (secondary 1.0%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	4.4%	[4.4%, 4.4%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-2.4%	[-2.4%, -2.4%]	1
All ❌✅ (primary)	-	-	0

Binary size

This perf run didn't have relevant results for this metric.

Bootstrap: 490.729s -> 490.516s (-0.04%)
Artifact size: 389.29 MiB -> 389.28 MiB (-0.00%)

Rollup of 15 pull requests Successful merges: - rust-lang/rust#159106 (Update LLVM) - rust-lang/rust#157690 (codegen_ssa: pack small const aggregates into immediate stores) - rust-lang/rust#159005 (Use `as_lang_item` instead of repeatedly matching) - rust-lang/rust#156735 (Move NativeLib::filename to the rmeta-link archive member) - rust-lang/rust#157153 (allow `Allocator`s to be used as `#[global_allocator]`s) - rust-lang/rust#158269 (jq directives for jsondocck) - rust-lang/rust#158767 (merge DefKind::InlineConst into AnonConst) - rust-lang/rust#159099 (Stabilize String::from_utf8_lossy_owned) - rust-lang/rust#158930 (Reorganize `tests/ui/issues` [20/N]) - rust-lang/rust#158965 (Add codegen test for Result is_ok unwrap) - rust-lang/rust#158979 (Reorganize `tests/ui/issues` [21/N]) - rust-lang/rust#159050 (assert only opaques with sub unified hidden infer are non-rigid) - rust-lang/rust#159062 (Remove unused WEAK_ONLY_LANG_ITEMS static) - rust-lang/rust#159070 (Add `io::ErrorKind::InputOutputError`) - rust-lang/rust#159092 (make volatile operations const)

Update LLVM

bfcb5ad

rustbot assigned cuviper Jul 10, 2026

rustbot added A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jul 10, 2026

rust-bors Bot 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 Jul 10, 2026

nikic added the T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. label Jul 10, 2026

JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Jul 10, 2026

Rollup merge of rust-lang#159106 - nikic:llvm-update-3, r=workingjubilee

00450c0

Update LLVM Backport the fix for rust-lang#159035.

JonathanBrouwer mentioned this pull request Jul 10, 2026

Rollup of 15 pull requests #159107

Closed

theemathas added beta-nominated Nominated for backporting to the compiler in the beta channel. stable-nominated Nominated for backporting to the compiler in the stable channel. labels Jul 10, 2026

scottmcm linked an issue Jul 11, 2026 that may be closed by this pull request

segfault on Rust 1.97.0 #159035

Open

jhpratt mentioned this pull request Jul 11, 2026

Rollup of 15 pull requests #159113

Merged

rust-bors Bot pushed a commit that referenced this pull request Jul 11, 2026

Auto merge of #159106 - nikic:llvm-update-3, r=workingjubilee

2c8db3c

Update LLVM Backport the fix for #159035.

rust-bors Bot merged commit 489aa10 into rust-lang:main Jul 11, 2026
13 of 14 checks passed

rust-timer added a commit that referenced this pull request Jul 11, 2026

Unrolled build for #159106

29c8f86

Rollup merge of #159106 - nikic:llvm-update-3, r=workingjubilee Update LLVM Backport the fix for #159035.

rustbot added this to the 1.99.0 milestone Jul 11, 2026

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rust-timer commented Jul 12, 2026

Overall result: no relevant changes - no action needed

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rust-bors Bot commented Jul 11, 2026 •

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