Issues

• Unsupported llvm.x86.avx.cvtt.ps2dq.256 intrinsic

  A-core-archO-x86_64
  rust-lang/rustc_codegen_cranelift#1707 · Filter by author rib opened on Oct 1, 2026
  1

• msvc: small float aggregates are returned incorrectly with extern "Rust"

  A-abiO-windowsO-x86_64
  rust-lang/rustc_codegen_cranelift#1703 · Filter by author folkertdev opened on Sep 18, 2026
  4

• Implement simd_funnel_shl and simd_funnel_shr intrinsics

  C-enhancementgood first issue
  rust-lang/rustc_codegen_cranelift#1696 · Filter by author 0xmuon opened on Aug 26, 2026
  1

• cargo-clif build slower than cargo build!

  rust-lang/rustc_codegen_cranelift#1694 · Filter by author frederikhors opened on Aug 24, 2026
  5

• ice Can't change TLS data object to normal or in the opposite way

  rust-lang/rustc_codegen_cranelift#1691 · Filter by author matthiaskrgr opened on Aug 15, 2026

• ICE: naked_asm! unreachable

  rust-lang/rustc_codegen_cranelift#1690 · Filter by author matthiaskrgr opened on Aug 11, 2026
  2

• Add support for suppressing name mangling with \01 prefix

  O-macos
  rust-lang/rustc_codegen_cranelift#1689 · Filter by author madsmtm opened on Aug 10, 2026
  16

• Bench CI job fails since latest nightly

  A-ciC-bug
  rust-lang/rustc_codegen_cranelift#1686 · Filter by author bjorn3 opened on Aug 7, 2026

• Support defining C variadic functions

  A-abiC-enhancementS-blocked
  rust-lang/rustc_codegen_cranelift#1677 · Filter by author bjorn3 opened on Jul 22, 2026
  2

• cranelift ICE related to lowering saturating_sub

  C-bug
  rust-lang/rustc_codegen_cranelift#1670 · Filter by author saethlin opened on Jun 29, 2026
  6

• Discussion: Mitigating supply chain & CI attacks via delayed dependency updates

  rust-lang/rustc_codegen_cranelift#1653 · Filter by author 0xmuon opened on May 14, 2026
  2

• ICE compiler/rustc_codegen_cranelift/src/constant.rs

  C-bug
  rust-lang/rustc_codegen_cranelift#1652 · Filter by author matthiaskrgr opened on Apr 26, 2026
  1

• Cranelift caller gets wrong Quat from LLVM callee on Win64

  A-abiC-bugO-windowsO-x86_64
  rust-lang/rustc_codegen_cranelift#1647 · Filter by author Maxime-Verrier opened on Apr 19, 2026

• Access to global variable metadata?

  rust-lang/rustc_codegen_cranelift#1646 · Filter by author SteveBoxite opened on Apr 18, 2026
  1

• [ICE]: Cranelift Unimplemented Relocation

  A-debuginfoC-bugO-armO-macos
  rust-lang/rustc_codegen_cranelift#1633 · Filter by author nuudlman opened on Mar 8, 2026
  5

• Math operations for f16 incorrectly implemented

  C-bug
  rust-lang/rustc_codegen_cranelift#1622 · Filter by author bjorn3 opened on Jan 9, 2026
  5

• Compilation failure with cranelift due to simd intrinsics

  rust-lang/rustc_codegen_cranelift#1615 · Filter by author theoparis opened on Dec 24, 2025
  3

• link error: undefined symbol in Window msvc : link dynamic library

  C-bugO-windows
  rust-lang/rustc_codegen_cranelift#1610 · Filter by author sunflower-knight opened on Dec 10, 2025
  6

• Build dist artifacts with LTO

  A-ciC-enhancementcompile-time
  rust-lang/rustc_codegen_cranelift#1607 · Filter by author bjorn3 opened on Nov 26, 2025

• ICE ArgAbi left behind

  A-abiC-bugS-blocked
  rust-lang/rustc_codegen_cranelift#1591 · Filter by author matthiaskrgr opened on Aug 23, 2025
  2

• Investigate why the tests/run-make/used-proc-macro rustc test still fails

  C-bug
  rust-lang/rustc_codegen_cranelift#1589 · Filter by author bjorn3 opened on Jul 25, 2025

• pathfinder_simd doesn't compile on arm64

  A-core-archC-bugO-arm
  rust-lang/rustc_codegen_cranelift#1583 · Filter by author bjorn3 opened on Jun 18, 2025

• Wrong Nightly version used for macros / build scripts

  rust-lang/rustc_codegen_cranelift#1573 · Filter by author luxalpa opened on Apr 21, 2025
  3

• Support protected visibility

  S-blockedupstream
  rust-lang/rustc_codegen_cranelift#1571 · Filter by author bjorn3 opened on Apr 20, 2025

• unsupported x86 sse2 intrinsic llvm.x86.sse2.psll.q

  A-core-archC-enhancement
  rust-lang/rustc_codegen_cranelift#1569 · Filter by author ickk opened on Apr 9, 2025
  1