Update to LLVM 18.1.3

[dianqk]

Fixes #122805.

This should work on all targets: https://rust.godbolt.org/z/svW8ha31z.

r? @cuviper

[rustbot]

⚠️ Warning ⚠️

• These commits modify submodules.

[cuviper]

Looks good!

@bors r+ rollup=never

[bors]

📌 Commit f59517f has been approved by cuviper

It is now in the queue for this repository.

[bors]

⌛ Testing commit f59517f with merge 76e3145...

[bors]

💔 Test failed - checks-actions

[cuviper]

Ah, probably should mark that test for min 18.1.3.

[dianqk]

Ah, probably should mark that test for min 18.1.3.

Ah, Yeah. I have added.

[cuviper]

@bors r+

[bors]

📌 Commit 5acfe77 has been approved by cuviper

It is now in the queue for this repository.

[bors]

⌛ Testing commit 5acfe77 with merge 0e3235f...

[bors]

☀️ Test successful - checks-actions
Approved by: cuviper
Pushing 0e3235f to master...

[dianqk]

@rustbot label beta-nominated T-compiler

[rust-timer]

Finished benchmarking commit (0e3235f): comparison URL.

Overall result: ✅ improvements - no action needed

@rustbot label: -perf-regression

Instruction count

This is a highly reliable metric that was used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-0.5%	[-0.9%, -0.3%]	8
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	7.1%	[7.1%, 7.1%]	1
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-3.2%	[-4.8%, -1.5%]	2
Improvements ✅ (secondary)	-1.7%	[-1.7%, -1.7%]	1
All ❌✅ (primary)	0.3%	[-4.8%, 7.1%]	3

Cycles

This benchmark run did not return any relevant results for this metric.

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 668.633s -> 668.306s (-0.05%)
Artifact size: 318.20 MiB -> 318.47 MiB (0.09%)

[apiraino]

backport voting postponed to next week waiting to see how the MIPS regression evolves. Even if it's a tier 3 regression introduced by this patchset, we're not too eager mergin this yet

Zulip discussion

[dianqk]

Replaced by #124044.

@rustbot label -beta-nominated