[all-commits] [llvm/llvm-project] 1a0a17: [MLIR] Create fold for cmp of ext

William Moses via All-commits all-commits at lists.llvm.org
Sun Jan 2 16:49:04 PST 2022

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1a0a177965e88d61b5d3cd3e7f7f89011f0827c1
  Author: William S. Moses <gh at wsmoses.com>
  Date:   2022-01-02 (Sun, 02 Jan 2022)

  Changed paths:
    M mlir/lib/Dialect/Arithmetic/IR/ArithmeticOps.cpp
    M mlir/test/Dialect/Arithmetic/canonicalize.mlir

  Log Message:
  [MLIR] Create fold for cmp of ext

This patch creates folds for cmpi( ext(%x : i1, iN) != 0) -> %x

In essence this matches patterns matching an extension of a boolean, that != 0, which is equivalent to the original condition.

Reviewed By: mehdi_amini

Differential Revision: https://reviews.llvm.org/D116504

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