Application Binary Interface

accepts-invalid

awaiting-review

Has pending Phabricator review

backend:AArch64

backend:DirectX

backend:Hexagon

backend:loongarch

backend:PowerPC

backend:SystemZ

backend:WebAssembly

backend:X86 Scheduler Models

Accuracy of X86 scheduler models

"Peripheral" support tier build system: utils/bazel

Indicates an unexpected problem or unintended behavior

Issues migrated from bugzilla

Request for a new check in clang-tidy

clang:as-a-library

libclang and C++ API

clang:bounds-safety

Issue/PR relating to the experimental -fbounds-safety feature in Clang

Clang Dataflow Analysis framework - https://clang.llvm.org/docs/DataFlowAnalysisIntro.html

clang:diagnostics

New/improved warning or error message in Clang, but not in clang-tidy or static analyzer

'clang' and 'clang++' user-facing binaries. Not 'clang-cl'

Language frontend issues, e.g. anything involving "Sema"

Headers provided by Clang, e.g. for intrinsics

C++20 modules and Clang Header Modules

Clang OpenACC Implementation

OpenMP related changes to Clang

Precompiled headers

Clang Plugin interface

clang:static analyzer

Clang issues not falling into any other category

clang-include-cleaner

clang-tools-extra

Build system in general and CMake in particular

Use [accepts-invalid] and [rejects-valid] instead

compiler-rt:asan

Address sanitizer

compiler-rt:builtins

compiler-rt:cfi

Control Flow Integrity

compiler-rt:fuzzer

compiler-rt:hwasan

Hardware-assisted address sanitizer

compiler-rt:lsan

compiler-rt:msan

Memory sanitizer

compiler-rt:sanitizer

compiler-rt:scudo

Scudo Hardened Allocator

compiler-rt:tsan

Thread sanitizer

compiler-rt:ubsan

Undefined behavior sanitizer

Verified by a second party

constant-folding

Problems related to constant folding in the optimizer

C++20 consteval

Anything related to constant evaluation

C++20 coroutines

Prefer [crash-on-valid] or [crash-on-invalid]

crash-on-invalid

Bugs or requests for LLVM Discourse

Resolved as duplicate

Improving things as opposed to bug fixing, e.g. new or missing feature

exception-safety

extension:borland

extension:clang

extension:microsoft

Warning fires when it should not

C++17 std::filesystem

flang:fir-hlfir

flang:hlfir-switch

Issues blocking Flang from switching to HLFIR lowering

flang:semantics

Flang issues not falling into any other category

Floating-point math

C++20 std::format or std::print, and anything related to them

function-specialization

github:security

github:workflow

good first issue

https://github.com/llvm/llvm-project/contribute

Google Summer of Code

Compiler hang (infinite loop)

Issues related to the hardening effort

Indicates that a maintainer wants help. Not [good first issue].

HLSL Language Support

Issue not complete (e.g. missing a reproducer, build arguments, etc.)

infrastructure:commit-access

Bugs about LLVM infrastructure

Resolved as invalid, i.e. not a bug

invalid-code-generation

Tool (e.g. clang-format) produced invalid code that no longer compiles

Interprocedural analysis

Interprocedural optimizations

C++11 lambda expressions

libc++abi C++ Runtime Library. Not libc++.

libc++ C++ Standard Library. Not GNU libstdc++. Not libc++abi.

libclc OpenCL library

libcxx-disable-testing

Disables the automatic running of the libc++ test suite.

GNU libstdc++ C++ standard library

llvm:as-a-library

LLVM-C and C++ API

llvm::Attributor

llvm:binary-utilities

Code size issues

llvm:globalisel

GVN and NewGVN stages (Global value numbering)

Compiler hang (infinite loop)

llvm:instcombine

llvm:optimizations

Scalar Evolution

llvm:SelectionDAG

SelectionDAGISel as well

llvm:SLPVectorizer

llvm:transforms

Umbrella label for LLVM issues

All llvm tools that do not have corresponding tag

LLVM Nightly Testing

issues related to localization

Link time optimization (regular/full LTO or ThinLTO)

Machine (object) code

missed-devirtualization

missed-optimization

mlir:bufferization

Bufferization infrastructure

MLIR complex dialect

MLIR Core Infrastructure

mlir:execution-engine

mlir:presburger

MLIR Python bindings

Sparse compiler in MLIR

mlir:transform_dialect

needs-reduction

Large reproducer that should be reduced into a simpler form

opaque-pointers

OpenMP host runtime

openmp:libomptarget

OpenMP offload runtime

optimization-remarks

Profile Guided Optimizations

Related to migration from Phabricator

platform:android

platform:freebsd

iOS-related issues

platform:netbsd

platform:openbsd

platform:solaris

platform:windows

Issues related to the C++17 Parallel STL

quality-of-implementation

A question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!

Issues related to `<ranges>`

Issues related to regex

release:backport

release:cherry-pick-failed

release:fixed-in-main

release:reviewed

skip-precommit-approval

PR for CI feedback, not intended for review

SPIR-V language support

ARM Scalable Vector Extensions

Type-Based Alias Analysis / Strict Aliasing

third-party:benchmark

third-party:unittests

Imported from upstream GoogleTest project

issues related to threading

tools:llvm-ar/llvm-ranlib

tools:llvm-c++filt

tools:llvm-cxxfilt

tools:llvm-debuginfo-analyzer

tools:llvm-dwarfdump

tools:llvm-exegesis

tools:llvm-link

tools:llvm-objcopy/strip

tools:llvm-objdump

tools:llvm-readobj/readelf

tools:llvm-size

tools:llvm-strings

tools:llvm-symbolizer/addr2line

tools:llvm-symbolizer

undefined behaviour

waiting-for-response

waiting-for-wg21

Blocked on C++ Standards Committee

Issue is real, but we can't or won't fix it. Not invalid

Resolved as "works for me"

No labels found. Sorry about that.