Issues

• [Bug] analyze_use_def crashes when a function returns its own parameter, so s.partition fails on any module containing one

  cornell-zhang/allo#622 · Filter by author sunwookim028 opened on Oct 8, 2026

• [Bug][Frontend] A module-level constant in a bit-slice bound is not folded; the slice defaults to UInt(32) and silently loses bits

  cornell-zhang/allo#621 · Filter by author sunwookim028 opened on Oct 8, 2026

• [Feature] Specify Semantics for Allo Types across Operations and Backends

  documentationhelp wanted
  cornell-zhang/allo#620 · Filter by author Fangtangtang opened on Oct 3, 2026

• [Bug] An unsigned array index is sign-extended (arith.index_cast for UInt): silent out-of-bounds reads on the LLVM backend

  cornell-zhang/allo#619 · Filter by author sunwookim028 opened on Oct 2, 2026
  1

• [Bug][Frontend] A called function resolves free names in the caller's globals; a global numpy array shadows a kernel parameter (silent wrong results)

  cornell-zhang/allo#618 · Filter by author sunwookim028 opened on Oct 2, 2026

• [Bug] Unsigned integer comparisons are lowered as signed arith.cmpi (LLVM backend and simulator disagree with HLS)

  cornell-zhang/allo#617 · Filter by author sunwookim028 opened on Oct 2, 2026

• [Bug][AIE] Mapping primitives do not fully support stream operations inside loops

  cornell-zhang/allo#606 · Filter by author Fangtangtang opened on Aug 12, 2026
  2

• [Bug] [AIE] AIE backend crashes during codegen for ATB with rho=8

  cornell-zhang/allo#605 · Filter by author maurive2014 opened on Aug 7, 2026

• [AIE][Doc][CI] Update AIE Environment Setup Guide and CI Docker Image

  bugdocumentationenhancement
  cornell-zhang/allo#597 · Filter by author Fangtangtang opened on Jul 18, 2026
  3

  

• [Bug][Builder] Issues in Dataflow Hierarchical Design

  cornell-zhang/allo#588 · Filter by author Fangtangtang opened on May 30, 2026

• [Bug] IPModule parser doesn't handle macro/constexpr array dimensions

  cornell-zhang/allo#587 · Filter by author choonsik1 opened on May 29, 2026
  1

• [Feature][Backend][AIE] Upgrade MLIR-AIE dependency

  enhancement
  cornell-zhang/allo#585 · Filter by author Fangtangtang opened on May 20, 2026
  1

  

• [Feature][AIE] Attention Example on XDNA2

  enhancement
  cornell-zhang/allo#583 · Filter by author Fangtangtang opened on May 18, 2026
  

• [Bug][Builder] AIE external kernel / IP module does not correctly handle argument type mismatch

  cornell-zhang/allo#582 · Filter by author Fangtangtang opened on May 16, 2026

• [Bug] RuntimeError: Failed to emit HLS code (array has unsupported element type) during s.build()

  cornell-zhang/allo#576 · Filter by author Jyrheeee opened on Mar 21, 2026
  1

• [Bug] Vivado HLS emitter crashes on unsupported memref.copy op

  cornell-zhang/allo#571 · Filter by author Zagret0405 opened on Mar 16, 2026
  1

• [Bug] Directly read or write to element in the input matrix gives dataflow check failure

  cornell-zhang/allo#566 · Filter by author RuizeYu05 opened on Mar 6, 2026

• [Feature] Overwriting a layout and then building results in a confusing error message

  cornell-zhang/allo#550 · Filter by author dl2239 opened on Feb 10, 2026
  1

• [Bug] Cannot partition the same array on multiple dimensions

  bug
  cornell-zhang/allo#547 · Filter by author zzzDavid opened on Feb 6, 2026

• [Feature][IR][Dataflow] Keep meta_for in IR

  cornell-zhang/allo#528 · Filter by author Fangtangtang opened on Jan 20, 2026
  1

  

• [Feature] combine features from almost the same framework

  cornell-zhang/allo#524 · Filter by author structure-charger opened on Jan 18, 2026
  1

• [Feature][IR][Dataflow] Keep meta_if / meta_else in IR to preserve 'singel df.kernel' program structure

  cornell-zhang/allo#523 · Filter by author Fangtangtang opened on Jan 15, 2026
  12

  

• [Bug][Dataflow] Invalid stream usage in test_cannon

  cornell-zhang/allo#521 · Filter by author Fangtangtang opened on Jan 12, 2026
  5

  

• [Feature][Dataflow] Enrich Allo MLIR semantics by encoding dataflow metadata into IR

  cornell-zhang/allo#510 · Filter by author Fangtangtang opened on Jan 2, 2026
  30

  

• [Feature][Backend][AIE] Add simple host codegen for more efficient kernel composition

  cornell-zhang/allo#502 · Filter by author Fangtangtang opened on Dec 29, 2025
  1