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Issues list

Promoted constants lead to poor MIR from comparisons A-MIR Area: Mid-level IR (MIR) - https://blog.rust-lang.org/2016/04/19/MIR.html A-mir-opt Area: MIR optimizations C-optimization Category: An issue highlighting optimization opportunities or PRs implementing such T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-mir-opt Working group: MIR optimizations
#139093 opened Mar 29, 2025 by scottmcm
MIR passes do not take into account if an operation is convergent A-mir-opt Area: MIR optimizations C-bug Category: This is a bug. I-miscompile Issue: Correct Rust code lowers to incorrect machine code I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness O-amdgcn Target: the Radeon 9001XT and such O-NVPTX Target: the NVPTX LLVM backend for running rust on GPUs, https://llvm.org/docs/NVPTXUsage.html T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-mir-opt Working group: MIR optimizations
#137086 opened Feb 15, 2025 by kulst
1
13
Tracking issue for banning field projecting into [rustc_layout_scalar_valid_range_*] types (MCP807) A-mir-opt Area: MIR optimizations C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC 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. WG-mir-opt Working group: MIR optimizations
#133652 opened Nov 29, 2024 by scottmcm
5 tasks
ReferencePropagation introduces UB into code that is accepted by Stacked Borrows A-mir-opt Area: MIR optimizations C-bug Category: This is a bug. E-needs-investigation Call for partcipation: This issues needs some investigation to determine current status I-miscompile Issue: Correct Rust code lowers to incorrect machine code T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-mir-opt Working group: MIR optimizations
#132898 opened Nov 11, 2024 by RalfJung
4
Regression: geoarrow crate does not compile in release mode on 1.82 A-mir-opt-inlining Area: MIR inlining C-bug Category: This is a bug. P-high High priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue. WG-mir-opt Working group: MIR optimizations
#131960 opened Oct 20, 2024 by theemathas
8
ProTip! What’s not been updated in a month: updated:<2025-05-10.