[mlir][tosa] Fold consecutive tosa.abs
authorKai Sasaki <lewuathe@gmail.com>
Mon, 22 May 2023 05:59:58 +0000 (14:59 +0900)
committerKai Sasaki <lewuathe@gmail.com>
Mon, 22 May 2023 06:00:05 +0000 (15:00 +0900)
commita7380fb702a69fd9fde3e6ce6107ed11449aa4ff
treead24203082cf286ccf32ced85cc21edee009e927
parent896fbe68fff8b206b56de151519d86b0700368d4
[mlir][tosa] Fold consecutive tosa.abs

Consecutive tosa.abs can be fold as single abs operation since the second one has no impact.

Differential Revision: https://reviews.llvm.org/D150836
mlir/include/mlir/Dialect/Tosa/IR/TosaOps.td
mlir/lib/Dialect/Tosa/IR/TosaCanonicalizations.cpp
mlir/test/Dialect/Tosa/canonicalize.mlir