Repository Issues
llvm/llvm-project
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Issues
Closed
[AVX-512] Look for vector bit rotates on vectors larger than 16 bytes
good first issuellvm:instcombinemissed-optimization
Has a beginner-friendly labelContributing guide available
6 comments0 reactions1 assignee
Closed
auto allowed with a type in C++
clang:frontenddiverges-from:edgdiverges-from:gccdiverges-from:msvcgood first issue
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
10 comments0 reactions1 assignee
Open
[X86] Failure to fold or disjoint nodes into a AVX512 predicated add instruction
backend:X86good first issuemissed-optimization
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
13 comments0 reactions1 assignee
Open
Complete VTable class name for types
ClangIRgood first issue
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
24 comments0 reactions0 assignees
Open
[X86][Clang] VectorExprEvaluator::VisitCallExpr / InterpretBuiltin - add AVX512 integer comparison intrinsics to be used in constexpr
backend:X86clang:bytecodeclang:headersconstexprgood first issue
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
15 comments0 reactions2 assignees
Open
Implement `clz` using floating point math if `clz` instruction is not available
good first issuellvm:SelectionDAGmissed-optimization
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
22 comments0 reactions1 assignee
Closed
[DAG] Add computeKnownBits(FREEZE(X)) handling
good first issuellvm:SelectionDAG
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
4 comments0 reactions1 assignee
Closed
[DAG] isGuaranteedNotToBeUndefOrPoison - add ISD::BITCAST handling with DemandedElts
good first issuellvm:SelectionDAG
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
6 comments0 reactions0 assignees
Closed
[Clang] VectorExprEvaluator::VisitCallExpr / InterpretBuiltin - allow AVX/AVX512 VNNI intrinsics to be used in constexpr
backend:X86clang:bytecodeclang:headersconstexprgood first issue
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
7 comments0 reactions1 assignee
Open
[x86][armv8] Failure to use flag in unsigned underflow compare idiom
good first issuellvm:SelectionDAGmissed-optimization
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
14 comments0 reactions1 assignee
Closed
[clang-format] Option to insert spaces before the closing `*/`
clang-formatenhancementgood first issue
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
12 comments0 reactions0 assignees
Open
[Headers][X86] Allow AVX512 masked bitlogic intrinsics to be used in constexpr
backend:X86clang:headersconstexprgood first issue
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
7 comments0 reactions1 assignee
Open
[Clang] VectorExprEvaluator::VisitCallExpr / InterpretBuiltin - allow SSE/AVX/AVX512 square root intrinsics to be used in constexpr
backend:X86clang:bytecodeclang:headersconstexprgood first issue
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
13 comments0 reactions1 assignee
Open
[X86][Clang] VectorExprEvaluator::VisitCallExpr / InterpretBuiltin - allow SSE/AVX COMI/UCOMI/CMPS/CMPP fp comparison intrinsics to be used in constexpr
backend:X86clang:bytecodeclang:headersconstexprgood first issue
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
11 comments0 reactions1 assignee
Open
[clang] Bitcasts from vectors to integers not supported at compile time
clang:frontendconstexprgood first issue
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
14 comments0 reactions1 assignee
Open
[C++20] [Modules] Support attributes on module declarations
clang:moduleshelp wanted
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
3 comments0 reactions1 assignee
Closed
[Flang] IARGC can't be used in a range loop
flang:frontendgood first issue
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
17 comments1 reaction1 assignee
Open
guarded_by attributes not supported using c++11 style
clang:frontendgood first issue
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
10 comments0 reactions0 assignees
Closed
[Clang] VectorExprEvaluator::VisitCallExpr / InterpretBuiltin - allow SSE/AVX2 VMPSADBW intrinsics to be used in constexpr
backend:X86clang:bytecodeclang:frontendconstexprgood first issue
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
10 comments0 reactions0 assignees
Closed
[AVX-512] Look for masked `vpmovqb` opportunities on Zen 4+
backend:X86good first issuellvm:SelectionDAGmissed-optimization
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
9 comments0 reactions1 assignee