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Pull requests list

[PERF] try stringdex next version A-rustdoc-search Area: Rustdoc's search feature A-tidy Area: The tidy tool perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. S-waiting-on-perf Status: Waiting on a perf run to be completed. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue. T-rustdoc-frontend Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.
#149472 opened Nov 30, 2025 by notriddle • Draft
24
GVN: consider constants of primitive types as deterministic perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#149366 opened Nov 26, 2025 by cjgillot • Draft
7
rustc_codegen_ssa: Make upstream monomorphizations representation sparse perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#149313 opened Nov 25, 2025 by osiewicz • Draft
9
derive(PartialEq) via bitwise comparison where possible perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#149253 opened Nov 24, 2025 by saethlin • Draft
1
15
no wf obligations in generalize perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#148244 opened Oct 29, 2025 by lcnr • Draft
24
Remove box_new intrinsic A-rustc-dev-guide Area: rustc-dev-guide A-tidy Area: The tidy tool perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-clippy Relevant to the Clippy team. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#147862 opened Oct 18, 2025 by cjgillot • Draft
25
Perform DestinationPropagation on places. perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#147614 opened Oct 12, 2025 by cjgillot • Draft
17
rustdoc: calculate effective visibilities of crates on-demand perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#147482 opened Oct 8, 2025 by lolbinarycat • Draft
8
Make inliner cycle detection a fallible process perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#147361 opened Oct 5, 2025 by saethlin • Draft
15
Avoid LocalCopy instantiation for #[inline] on -Copt-level=0 perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#147351 opened Oct 4, 2025 by Noratrieb • Draft
21
wip tcmalloc perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-clippy Relevant to the Clippy team. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#147333 opened Oct 4, 2025 by 0xdeafbeef Loading…
34
Enable -disable-i2p-p2i-opt flag A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#147272 opened Oct 2, 2025 by nikic • Draft
9
Replace SingleUseConsts by GVN. perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#147079 opened Sep 26, 2025 by cjgillot • Draft
12
[EXPERIMENT] Test 8-bit tags for hashbrown A-tidy Area: The tidy tool perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-libs Relevant to the library team, which will review and decide on the PR/issue.
#146909 opened Sep 22, 2025 by Amanieu • Draft
12
Disable incr CGU merging perf-regression Performance regression. S-experimental Status: Ongoing experiment that does not require reviewing and won't be merged in its current state. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#146146 opened Sep 3, 2025 by saethlin • Draft
8
[EXPERIMENT] Introduce TypingMode::Codegen to avoid layout cycles perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#145477 opened Aug 16, 2025 by cjgillot • Draft
36
Dogfood -Zno-embed-metadata in the compiler A-testsuite Area: The testsuite used to check the correctness of rustc perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#145343 opened Aug 13, 2025 by Kobzol • Draft
31
[TOY] Run MIR opts before coroutine state transform perf-regression Performance regression. S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#145330 opened Aug 13, 2025 by cjgillot • Draft
37
Cache param_env on disk. perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#144874 opened Aug 3, 2025 by cjgillot • Draft
7
Use ExtractIf in fulfillment loop perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#144699 opened Jul 30, 2025 by compiler-errors • Draft
15
EXPERIMENT: Use the force-inline pass for more stuff A-attributes Area: Attributes (`#[…]`, `#![…]`) A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#144483 opened Jul 26, 2025 by scottmcm • Draft
24
Validate transmute in CTFE perf-regression Performance regression. S-experimental Status: Ongoing experiment that does not require reviewing and won't be merged in its current state. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#144030 opened Jul 16, 2025 by oli-obk Loading…
1
20
Extend GVN to perform local value numbering. A-mir-opt-GVN Area: MIR opt Global Value Numbering (GVN) perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#143333 opened Jul 2, 2025 by cjgillot • Draft
70
Detect unwind-free functions in MIR perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#143167 opened Jun 28, 2025 by Mark-Simulacrum • Draft
8
Make lowering incremental, take 3/N perf-regression Performance regression. PG-exploit-mitigations Project group: Exploit mitigations S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#142830 opened Jun 21, 2025 by cjgillot • Draft
30
ProTip! Find all pull requests that aren't related to any open issues with -linked:issue.