[all-commits] [llvm/llvm-project] dbf9be: [mlir][Linalg] Add a hoistPaddingOnTensors transfo...

[Nicolas Vasilache via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: dbf9bedf40792cf8c5492a27b61809737793b9c7
      https://github.com/llvm/llvm-project/commit/dbf9bedf40792cf8c5492a27b61809737793b9c7
  Author: Nicolas Vasilache <nicolas.vasilache at gmail.com>
  Date:   2021-01-25 (Mon, 25 Jan 2021)

  Changed paths:
    M mlir/include/mlir/Dialect/Linalg/Transforms/Hoisting.h
    M mlir/include/mlir/Dialect/StandardOps/IR/Ops.td
    M mlir/lib/Dialect/Linalg/Transforms/Hoisting.cpp
    M mlir/lib/Dialect/StandardOps/IR/Ops.cpp
    A mlir/test/Dialect/Linalg/hoist-padding.mlir
    M mlir/test/lib/Transforms/TestLinalgTransforms.cpp

  Log Message:
  -----------
  [mlir][Linalg] Add a hoistPaddingOnTensors transformation

This transformation anchors on a padding op whose result is only used as an input
to a Linalg op and pulls it out of a given number of loops.
The result is a packing of padded tailes of ops that is amortized just before
the outermost loop from which the pad operation is hoisted.

Differential revision: https://reviews.llvm.org/D95243