[all-commits] [llvm/llvm-project] 787202: [MLIR] Canonicalization of Integer Cast Operations

[William Moses via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 78720296f3912b4095eafa5c1277646fd67bae99
      https://github.com/llvm/llvm-project/commit/78720296f3912b4095eafa5c1277646fd67bae99
  Author: William S. Moses <gh at wsmoses.com>
  Date:   2021-05-02 (Sun, 02 May 2021)

  Changed paths:
    M mlir/include/mlir/Dialect/StandardOps/IR/Ops.td
    M mlir/lib/Dialect/StandardOps/IR/Ops.cpp
    M mlir/test/Conversion/StandardToLLVM/convert-to-llvmir.mlir
    M mlir/test/Dialect/Standard/canonicalize.mlir

  Log Message:
  -----------
  [MLIR] Canonicalization of Integer Cast Operations

1) Canonicalize IndexCast(SExt(x)) => IndexCast(x)
2) Provide constant folds of sign_extend and truncate

Differential Revision: https://reviews.llvm.org/D101714