llvm/Polygeist

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C/C++ frontend for MLIR. Also features polyhedral optimizations, parallel optimizations, and more!

Stars: 624
Forks: 170
Open beginner issues: 0
Indexed issues: 75

Dominant language: C++
License: No license data
Last GitHub push: Jul 31, 2024
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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75 open issues indexed

How to preserve CUDA kernels in Polygeist GPU IR (polygeist.gpu_wrapper) instead of lowering to scf? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

llvm/Polygeist#442 · 1 comment · Opened Dec 9, 2025
IS this project not being actively maintained? Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

llvm/Polygeist#440 · 3 comments · Opened Oct 27, 2025
CUDA program to LLVM Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

llvm/Polygeist#439 · 1 comment · Opened Jun 5, 2025
Problem Converting Code Using std::vectors to MLIR Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

llvm/Polygeist#437 · Opened May 10, 2025
CollectKernelStatistics.cpp:39:22: error: 'ceilDiv' is not a member of 'mlir' Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

llvm/Polygeist#433 · 3 comments · Opened Jan 6, 2025
cgeist errored when trying to compile c++ templated function Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

llvm/Polygeist#431 · Opened Dec 10, 2024
C++ Standard Library Support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

llvm/Polygeist#430 · 1 comment · 1 reaction · Opened Dec 6, 2024
Failed lowering PolyBench's C code to MLIR SCF dialect Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

llvm/Polygeist#429 · 1 comment · Opened Oct 25, 2024
Debug information in MLIR output from cgeist Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

llvm/Polygeist#425 · 2 comments · Opened Aug 22, 2024
[bug] `AffineApplyNormalizer` assert Error Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

llvm/Polygeist#421 · 2 comments · Opened Jul 12, 2024
The virtual function is not correctly invoked. Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

llvm/Polygeist#420 · Opened Jul 11, 2024
Question: Without the cast operation, malloc cannot be correctly identified. Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

llvm/Polygeist#419 · Opened Jul 3, 2024
Question: Support for differentiating between volatile and non-volatile memory operations Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

llvm/Polygeist#418 · 1 comment · Opened Jul 1, 2024
When a class is deleted, the user-defined destructor is not invoked. Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

llvm/Polygeist#415 · 3 comments · Opened Jun 24, 2024
Polymer with -reg2mem -pluto-opt generates IR with out-of-bounds accesses for imperfectly nested loops Open

llvm/Polygeist#411 · 1 assignee · Opened May 28, 2024
gitignore bug Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

llvm/Polygeist#408 · 1 comment · Opened May 15, 2024
Add Support for Additional Math Operations in Polygeist Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

llvm/Polygeist#407 · Opened May 9, 2024
Is it possible to take MLIR generated by CUDA-to-CPU flow to the cpu-openmp executable? Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

llvm/Polygeist#406 · 1 comment · Opened May 5, 2024
error when trying to lower .cu file, should I report this here or on LLVM repo issues? Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

llvm/Polygeist#403 · Opened Apr 24, 2024
opaque attribute handling issues Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

llvm/Polygeist#400 · Opened Apr 13, 2024
[bug] Operations such as "|=", "&=" and "^=" lack necessary implicit type conversions Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

llvm/Polygeist#399 · Opened Apr 13, 2024
Error compiling code with Polygeist: 'affine.for' op operand cannot be used as a symbol Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

llvm/Polygeist#398 · Opened Apr 10, 2024
Incorrect execution result of running CUDA to OpenMP compilation? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

llvm/Polygeist#397 · 1 comment · Opened Apr 9, 2024
support for Cuda 12.1 Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

llvm/Polygeist#395 · 11 comments · Opened Apr 3, 2024
make[1]: *** No rule to make target 'install'. Stop. make: *** [Makefile:555: install-recursive] Error 1 CMake Error at tools/polymer/CMakeLists.txt:28 (execute_process): execute_process failed command indexes: 1: "Child return code: 2" Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

llvm/Polygeist#393 · 3 comments · Opened Apr 2, 2024
Sign extension not properly propagated to users Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

llvm/Polygeist#387 · 2 comments · Opened Feb 27, 2024
[Bug] Incorrect scf.for code is generated Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

llvm/Polygeist#386 · Opened Feb 17, 2024
How to run PolyBench/C benchmarks with polyhedral pluto optimization using Polygeist? Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

llvm/Polygeist#385 · 10 comments · 1 reaction · Opened Feb 1, 2024
[BUG] type-related(size_t or int) crash in simple matrix multiply example Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

llvm/Polygeist#379 · Opened Jan 7, 2024
Does Polygeist have a roadmap to illustrate the required subtasks that need to be completed Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

llvm/Polygeist#373 · 2 reactions · Opened Dec 11, 2023
`MoveLoadToAffine` in `affine-cfg` doesn't work for affine maps of indices? Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

llvm/Polygeist#368 · 1 comment · Opened Nov 30, 2023
Complex Arithemetic Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

llvm/Polygeist#367 · 2 comments · Opened Nov 2, 2023
Does polygeist support the cmath library and complex number calculation? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

llvm/Polygeist#366 · Opened Oct 28, 2023
Does Polygeist Support AVX Instructions? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

llvm/Polygeist#362 · Opened Sep 18, 2023
If sink and buffer elimination bugs Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

llvm/Polygeist#358 · Opened Sep 6, 2023
Crash when lowering to LLVM Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

llvm/Polygeist#356 · 1 comment · Opened Aug 23, 2023
Passing array to function using initializer syntax leads to crash Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

llvm/Polygeist#340 · Opened Apr 30, 2023
Global structs with array members not being initialized. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

llvm/Polygeist#339 · Opened Apr 30, 2023
Failure to emit external global symbols Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

llvm/Polygeist#337 · 1 reaction · Opened Apr 18, 2023
"op symbol declaration cannot have public visibility" when using "new" keyword Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

llvm/Polygeist#336 · Opened Apr 11, 2023
error: 'arith.extsi' op operation destroyed but still has uses Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

llvm/Polygeist#335 · Opened Apr 7, 2023
'arith.muli' op requires the same type for all operands and results Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

llvm/Polygeist#334 · 1 comment · Opened Apr 6, 2023
'arith.divsi' operand type mismatch when emitting std::to_string Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

llvm/Polygeist#333 · Opened Apr 6, 2023
error: 'arith.extsi' op operation destroyed but still has uses Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

llvm/Polygeist#322 · 1 comment · Opened Feb 16, 2023
Memory run out problem Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

llvm/Polygeist#316 · 7 comments · Opened Jan 10, 2023
affine.for can't be convert to affine.parallel if scf is raised through polygeist-opt Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

llvm/Polygeist#314 · Opened Dec 28, 2022
gpu backend support Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

llvm/Polygeist#308 · 3 comments · 1 reaction · Opened Dec 24, 2022
mlir generated by cgeist is not valid to mlir-opt Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

llvm/Polygeist#307 · 3 comments · Opened Dec 14, 2022
[Bug] Inconsistent Datalayout in frontend. Open

llvm/Polygeist#280 · 3 comments · 1 assignee · Opened Oct 21, 2022
Building error Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

llvm/Polygeist#277 · Opened Sep 23, 2022

llvm/Polygeist

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