Rollup of 12 pull requests #147512
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Rollup of 12 pull requests #147512
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They will be used in Clippy.
When building with `rust.rpath = false`, every `rustc` invocation needs to include the library path as well. I particularly ran into this in `generate_target_spec_json_schema` when testing 1.91-beta in Fedora, where we do disable rpath for our system builds. The new helper function will hopefully encourage the right thing going forward.
Users who build `core` for the sole purpose of enabling `panic_immediate_abort` might expect "`panic_immediate_abort` is now a real panic strategy" to mean that setting `panic = "immediate-abort"` in `Cargo.toml` or `-Cpanic=immediate-abort` in `RUSTFLAGS` to be sufficient for migration. But this is not the case, `core` still needs to be built for those changes to take effect. See rust-lang#146974 for additional context.
LLVM generally can do this on its own, but it helps miri and other backends.
…obal` Since it can easily be implemented using the existing LLVM C API in terms of `LLVMAddGlobal` and `LLVMSetLinkage` and `define_private_global` was only used in one place.
All APIs used from outside the compiletest library crate have been isolated to the `cli` and `rustdoc_gui_test` modules, so no other items need to be publicly exported.
Port the implemention of SIMD intrinsics from Miri to const-eval Ported the implementation of most SIMD intrinsics from Miri to rustc_const_eval. Remaining are - Math functions (as per `@RalfJung's` suggestions) - FMA (non-deterministic) - Funnel Shifts (not implemented in Miri yet) - Unordered reduction intrinsics (not implemented in Miri yet)
…mdev give a better example why `std` modules named like primitives are needed A small update to the `std` `lib.rs` introduction to replace mentions of `std::i32` (never needed) with `std::char` (sometimes needed). Related to rust-lang#146882.
…lathar,jieyouxu bootstrap: add `Builder::rustc_cmd` that includes the lib path When building with `rust.rpath = false`, every `rustc` invocation needs to include the library path as well. I particularly ran into this in `generate_target_spec_json_schema` when testing 1.91-beta in Fedora, where we do disable rpath for our system builds. The new helper function will hopefully encourage the right thing going forward.
…d, r=joboet Add diagnostic items for `pub mod consts` of FP types They will be used in Clippy.
…Jung,joboet specialize slice::fill to use memset when possible It helps const eval performance rust-lang/miri#4616, debug builds and the gcc backend. Previously attempted in rust-lang#83245 but reverted due to unsoundness rust-lang#87891 around potentially-uninitialized types. This PR only handles primitives where the problem does not arise. split off from rust-lang#147294
…=JonathanBrouwer Fix double warnings on `#[no_mangle]` Fixes 2 out of 3 cases in rust-lang#147417 The fix on closures removes the old error and marks closures as an error target. The fix on consts adds `AllowSilent` to to ignore a target, and uses the old error because that one has a nice suggestion. r? ````@jdonszelmann````
…crum Clarify how to remediate the panic_immediate_abort error Users who build `core` for the sole purpose of enabling `panic_immediate_abort` might expect "`panic_immediate_abort` is now a real panic strategy" to mean that setting `panic = "immediate-abort"` in `Cargo.toml` or `-Cpanic=immediate-abort` in `RUSTFLAGS` to be sufficient for migration. But this is not the case, `core` still needs to be built for those changes to take effect. See rust-lang#146974 for additional context. See rust-lang#147286 and rust-lang/cargo#16042 for the revelant tracking issues.
…miasko Do not invalidate CFG caches in CtfeLimit. This does not matter much, as no optimization pass runs after `CtfeLimit`, but I still find the code cleaner.
format: some small cleanup Some small cleanup and some additional comments I did while trying to understand this code.
…ate_global, r=nikic refactor: Remove `LLVMRustInsertPrivateGlobal` and `define_private_global` Since it can easily be implemented using the existing LLVM C API in terms of `LLVMAddGlobal` and `LLVMSetLinkage` and `define_private_global` was only used in one place. Work towards rust-lang#46437
… r=Kivooeo,oli-obk Prefer to use repeat_n over repeat().take() More from rust-lang#147464, but batch processed with `ast-grep` to find and replace. second commit add notes for library: rust-lang@affaf53 r? ``@RalfJung``
compiletest: Isolate public APIs and minimize public surface area As part of my ongoing efforts to improve directive parsing, I would like to be able to make internal changes without worrying about whether they're going to break the rustdoc-gui-test tool. That tool currently uses compiletest as a dependency to help with directive parsing. This PR therefore isolates all of compiletest's public APIs into two dedicated modules, one used by rustdoc-gui-test, and one used by the compiletest binary in `compiletest/src/bin/main.rs`. All other modules (and crate-root items) are then made non-`pub` to achieve the API isolation. Doing so reveals some unused items, which have been removed. (To reduce the amount of immediate textual churn, this PR does not comprehensively replace `pub` with `pub(crate)` throughout the whole crate; that could be done in a follow-up PR.) --- Ideally, rustdoc-gui-test would not depend on compiletest at all, but properly fixing that is out of scope for this PR. - rust-lang#143827 r? jieyouxu
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Rollup of everything. @bors r+ rollup=never p=5 |
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☀️ Test successful - checks-actions |
What is this?This is an experimental post-merge analysis report that shows differences in test outcomes between the merged PR and its parent PR.Comparing bd34871 (parent) -> acf2437 (this PR) Test differencesShow 742 test diffsStage 0
Stage 1
Stage 2
Additionally, 718 doctest diffs were found. These are ignored, as they are noisy. Job group index
Test dashboardRun cargo run --manifest-path src/ci/citool/Cargo.toml -- \
test-dashboard acf243778e6c54cb7d54bee4be88e510e4be123e --output-dir test-dashboardAnd then open Job duration changes
How to interpret the job duration changes?Job durations can vary a lot, based on the actual runner instance |
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📌 Perf builds for each rolled up PR:
previous master: bd3487101f In the case of a perf regression, run the following command for each PR you suspect might be the cause: |
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Finished benchmarking commit (acf2437): comparison URL. Overall result: ❌ regressions - please read the text belowOur benchmarks found a performance regression caused by this PR. Next Steps:
@rustbot label: +perf-regression Instruction countOur most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.
Max RSS (memory usage)Results (secondary 1.8%)A less reliable metric. May be of interest, but not used to determine the overall result above.
CyclesResults (primary 2.1%, secondary -2.6%)A less reliable metric. May be of interest, but not used to determine the overall result above.
Binary sizeResults (primary 0.0%, secondary -0.0%)A less reliable metric. May be of interest, but not used to determine the overall result above.
Bootstrap: 474.495s -> 471.876s (-0.55%) |
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Some of the secondary regressions are bimodal noise, but the coercions ones look real enough to raise an eyebrow. |
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Queued b468255 with parent bd34871, future comparison URL. |
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Successful merges:
stdmodules named like primitives are needed #147373 (give a better example whystdmodules named like primitives are needed)Builder::rustc_cmdthat includes the lib path #147419 (bootstrap: addBuilder::rustc_cmdthat includes the lib path)pub mod constsof FP types #147420 (Add diagnostic items forpub mod constsof FP types)#[no_mangle]#147467 (Fix double warnings on#[no_mangle])LLVMRustInsertPrivateGlobalanddefine_private_global#147488 (refactor: RemoveLLVMRustInsertPrivateGlobalanddefine_private_global)r? @ghost
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