[all-commits] [llvm/llvm-project] dd39f9: [MLIR][Arith] Fold trunci with ext if the bit widt...

[LiqinWeng via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dd39f9b418379264ceb6a232dc0b2a5fb18a4203
      https://github.com/llvm/llvm-project/commit/dd39f9b418379264ceb6a232dc0b2a5fb18a4203
  Author: liqinweng <Liqin.Weng at streamcomputing.com>
  Date:   2023-04-06 (Thu, 06 Apr 2023)

  Changed paths:
    M mlir/lib/Dialect/Arith/IR/ArithOps.cpp
    M mlir/test/Dialect/Arith/canonicalize.mlir

  Log Message:
  -----------
  [MLIR][Arith] Fold trunci with ext if the bit width of the input type of ext is greater than the

This patch is mainly to deal with folding trunci with ext，as flows：
    trunci(zexti(a)) -> trunci(a)
    trunci(zexti(a)) -> trunci(a)

Reviewed By: ftynse

Differential Revision: https://reviews.llvm.org/D140604