Issues

• [Clang][OpenMP] device={isa(...)} and target_device={isa(...)} affect each other's match result

  clang:openmp
  llvm/llvm-project#232990 · Filter by author chichunchen opened on Oct 17, 2026
  

• [LV][RISCV] "Scalable vectorization is not supported for all element types" remark does not name the unsupported type or the extension that would enable it

  backend:RISC-Vvectorizers
  llvm/llvm-project#232987 · Filter by author vkouru07 opened on Oct 17, 2026
  1

• [clang][Driver][Windows] Each clang process queries the Visual Studio Setup API through COM, about 17 ms per compile

  clang:driverplatform:windows
  llvm/llvm-project#232982 · Filter by author azchohfi opened on Oct 16, 2026
  1

• Clang binds continue in nested loop condition or step to the wrong loop

  clang:codegen
  Bug

  llvm/llvm-project#232981 · Filter by author andykaylor opened on Oct 16, 2026
  5

• [Sparc] Miscompilation for fp128 return value without sret

  backend:Sparcmiscompilation
  Bug

  llvm/llvm-project#232963 · Filter by author alexrp opened on Oct 16, 2026

• [X86] preserve_none indirect musttail with 12 integer arguments: "ran out of registers", target loaded into an argument register

  backend:X86confirmedcrash-on-validregression:20
  Bug

  llvm/llvm-project#232957 · Filter by author nsmith- opened on Oct 16, 2026
  1

• ARM libc++ CI toolchains need a discoverable clang-scan-deps

  infrastructure
  llvm/llvm-project#232946 · Filter by author joker-eph opened on Oct 16, 2026
  1

• [clang][OpenMP] Wrong construct context for context selectors: single/sections recorded as for, metadirectives see no enclosing constructs

  clang:openmp
  llvm/llvm-project#232933 · Filter by author chichunchen opened on Oct 16, 2026

• [clang][OpenMP] isa(...) names in declare variant are lost when the declaration comes from a PCH

  clang:modulesclang:openmp
  llvm/llvm-project#232932 · Filter by author chichunchen opened on Oct 16, 2026
  1

• [flang] DO-variable redefinition not diagnosed when the DO variable is an associate name for an array element or component

  flang:frontend
  llvm/llvm-project#232915 · Filter by author eugeneepshteyn opened on Oct 16, 2026
  1

• [clang][bytecode] Missing diagnostic with with lambda with consteval copy constructor

  clang:bytecodeclang:frontendconsteval
  llvm/llvm-project#232904 · Filter by author efriedma-quic opened on Oct 16, 2026
  1

• [TSan] Deadlock detector aborts when a thread holds >= 128 locks simultaneously

  compiler-rt:tsan
  llvm/llvm-project#232881 · Filter by author alazarev opened on Oct 16, 2026
  

• [libc][math] Implement acoshbf16 math function

  libc
  llvm/llvm-project#232875 · Filter by author Sukumarsawant opened on Oct 16, 2026
  2

• [Analyzer][bug][23.1.3] A weird crash on a single line of code: void crasher(auto&& fn) noexcept(noexcept([_ = fn] {})) {}

  clang:static analyzercrash-on-validgood first issue
  Bug

  llvm/llvm-project#232874 · Filter by author yaoxinliu opened on Oct 16, 2026
  11

• [M68k] fastcc sret: callee pops the hidden pointer passed in A0, and a caller with a frame pointer doesn't compensate

  backend:m68k
  llvm/llvm-project#232869 · Filter by author avrame opened on Oct 16, 2026
  1

• [clang-tidy] modernize-deprecated-headers incorrectly replaces local header

  clang-tidyenhancement
  Feature

  llvm/llvm-project#232864 · Filter by author mwoehlke-kitware opened on Oct 16, 2026
  2

• Redefinition of a struct is not represented in the AST

  c23clang:frontendconfirmedregression:21
  llvm/llvm-project#232861 · Filter by author Endilll opened on Oct 16, 2026
  1

• [Attributor] Argument privatization gives every call-site field load the base pointer's alignment

  confirmedgenerated by fuzzerllvm::Attributormiscompilationregression:15
  Bug

  llvm/llvm-project#232860 · Filter by author ChoKyuWon opened on Oct 16, 2026

• [SLSR] GEP stride-delta rewrite uses a wrapping variable delta through sext

  confirmedgenerated by fuzzerllvm:optimizationsmiscompilationregression:22
  Bug

  llvm/llvm-project#232859 · Filter by author ChoKyuWon opened on Oct 16, 2026

• [NaryReassociate] inbounds is copied onto a GEP whose new base can be out of bounds

  confirmedgenerated by fuzzerllvm:optimizationsmiscompilation
  Bug

  llvm/llvm-project#232858 · Filter by author ChoKyuWon opened on Oct 16, 2026

• [clang][bytecode] False "read of uninitialized object" for a local initialized from a constant member

  clang:bytecode
  llvm/llvm-project#232854 · Filter by author GKxxUCAS opened on Oct 16, 2026
  1

• [MLIR][Affine] --affine-loop-fusion: Sibling loop fusion does not correctly handle SSA results from reduction loops

  crashmlir
  Bug

  llvm/llvm-project#232842 · Filter by author dashygo097 opened on Oct 16, 2026
  1

• [clang] -verify-pch on a .pcm or .ast file (or -x precompiled-header) reads the AST file twice: assertion "Invalidating existing loaded entries" / crash

  clang:modulesclang:PCH
  llvm/llvm-project#232838 · Filter by author trencik opened on Oct 16, 2026
  1

• [BOLT] Stubs and trampolines inserted by LongJmp are left out of inlined scopes and location lists

  BOLT
  llvm/llvm-project#232806 · Filter by author not4juu opened on Oct 16, 2026
  1

• Request Commit Access For katzdm

  infra:commit-access-request
  llvm/llvm-project#232802 · Filter by author katzdm opened on Oct 16, 2026
  8