[all-commits] [llvm/llvm-project] 9842bb: [mlir] Extend SimplifyTrivialLoops

[Amy Zhuang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9842bb0b16db6fc834ba45e6933c0a5c5aab635b
      https://github.com/llvm/llvm-project/commit/9842bb0b16db6fc834ba45e6933c0a5c5aab635b
  Author: Amy Zhuang <amy.zhuang at intel.com>
  Date:   2022-03-17 (Thu, 17 Mar 2022)

  Changed paths:
    M mlir/lib/Dialect/SCF/SCF.cpp
    M mlir/test/Dialect/SCF/canonicalize.mlir

  Log Message:
  -----------
  [mlir] Extend SimplifyTrivialLoops

Fold away empty loops that iterate at least once and only return
values defined outside of the loop.

Reviewed By: bondhugula, dcaballe

Differential Revision: https://reviews.llvm.org/D121148