[all-commits] [llvm/llvm-project] 41a8b4: [MLIR] Fix AffineExpr getLargestKnownDivisor for c...

[Uday Bondhugula via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 41a8b4600731b0ce702adb6087c73133089c78d5
      https://github.com/llvm/llvm-project/commit/41a8b4600731b0ce702adb6087c73133089c78d5
  Author: Uday Bondhugula <uday at polymagelabs.com>
  Date:   2021-10-26 (Tue, 26 Oct 2021)

  Changed paths:
    M mlir/lib/IR/AffineExpr.cpp
    M mlir/test/Dialect/Affine/unroll.mlir

  Log Message:
  -----------
  [MLIR] Fix AffineExpr getLargestKnownDivisor for ceildiv and floordiv

Fix AffineExpr `getLargestKnownDivisor` for ceil/floor div cases.
In these cases, nothing can be inferred on the divisor of the
result.

Add test case for `mod` as well.

Differential Revision: https://reviews.llvm.org/D112523