[PATCH] D76233: Affine expr simplification for add of const multiple of same expression

[Uday Bondhugula via Phabricator via llvm-commits]

bondhugula created this revision.
bondhugula added reviewers: andydavis1, nicolasvasilache, rriddle.
Herald added subscribers: llvm-commits, Joonsoo, liufengdb, lucyrfox, mgester, arpith-jacob, antiagainst, shauheen, burmako, jpienaar, mehdi_amini.
Herald added 1 blocking reviewer(s): rriddle.
Herald added a project: LLVM.
bondhugula updated this revision to Diff 250578.
bondhugula added a comment.

Remove debug code


- Detect "c_1 * expr + c_2 * expr" as (c_1 + c_2) * expr
- subsumes things like 'expr - expr' and "expr * -1 + expr" as 0.
- add default null init ctor for AffineConstantExpr

Signed-off-by: Uday Bondhugula <uday at polymagelabs.com>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D76233

Files:
  mlir/include/mlir/IR/AffineExpr.h
  mlir/lib/IR/AffineExpr.cpp
  mlir/test/Dialect/AffineOps/canonicalize.mlir
  mlir/test/IR/affine-map.mlir

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