Don't disable codegen tests in PR CI

[nikic]

Fixes #126170.

r? @ghost

[Kobzol]

Seems like we should be using a different approach for skipping the codegen tests, something akin to a @needs-llvm annotation or something similar, instead of skipping them altogether when the GCC flag is enabled.

[nikic]

@Kobzol All codegen tests require LLVM, so the whole suite should get skipped for other backends. Though this already seems to be the case, given that this PR passes CI. Not sure why that condition was added in the first place, but it doesn't seem to be necessary anymore. (I don't think that other codegen backends run "normal" rustc tests at all -- right?)

[workingjubilee]

Thanks for fixing this!

[Kobzol]

All codegen tests require LLVM, so the whole suite should get skipped for other backends. Though this already seems to be the case, given that this PR passes CI. Not sure why that condition was added in the first place, but it doesn't seem to be necessary anymore. (I don't think that other codegen backends run "normal" rustc tests at all -- right?)

I would expect GCC/Cranelift to run at least a subset of the UI test suite, but I'm not sure.

Anyway, since this seems to work, let's ship it, we ideally shouldn't skip these tests.

r? @Kobzol

@bors r+ rollup=never

[bors]

📌 Commit 9cd6c32 has been approved by Kobzol

It is now in the queue for this repository.

[bors]

⌛ Testing commit 9cd6c32 with merge 6c4755d...

[bors]

☀️ Test successful - checks-actions
Approved by: Kobzol
Pushing 6c4755d to master...

[rust-timer]

Finished benchmarking commit (6c4755d): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -perf-regression

Instruction count

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

Max RSS (memory usage)

Results (primary -3.9%)

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)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-3.9%	[-3.9%, -3.9%]	1
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-3.9%	[-3.9%, -3.9%]	1

Cycles

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Binary size

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Bootstrap: missing data
Artifact size: 319.76 MiB -> 319.68 MiB (-0.02%)