Files
clang-p2996/flang/lib/Optimizer/Transforms/AlgebraicSimplification.cpp
Michele Scuttari 67d0d7ac0a [MLIR] Update pass declarations to new autogenerated files
The patch introduces the required changes to update the pass declarations and definitions to use the new autogenerated files and allow dropping the old infrastructure.

Reviewed By: mehdi_amini, rriddle

Differential Review: https://reviews.llvm.org/D132838
2022-08-31 12:28:45 +02:00

54 lines
1.9 KiB
C++

//===- AlgebraicSimplification.cpp - Simplify algebraic expressions -------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// This file defines a pass that applies algebraic simplifications
// to operations of Math/Complex/etc. dialects that are used by Flang.
// It is done as a Flang specific pass, because we may want to tune
// the parameters of the patterns for Fortran programs.
//===----------------------------------------------------------------------===//
#include "flang/Optimizer/Transforms/Passes.h"
#include "mlir/Dialect/Math/IR/Math.h"
#include "mlir/Dialect/Math/Transforms/Passes.h"
#include "mlir/Transforms/GreedyPatternRewriteDriver.h"
namespace fir {
#define GEN_PASS_DEF_ALGEBRAICSIMPLIFICATION
#include "flang/Optimizer/Transforms/Passes.h.inc"
} // namespace fir
using namespace mlir;
namespace {
struct AlgebraicSimplification
: public fir::impl::AlgebraicSimplificationBase<AlgebraicSimplification> {
AlgebraicSimplification(const GreedyRewriteConfig &rewriteConfig) {
config = rewriteConfig;
}
void runOnOperation() override;
mlir::GreedyRewriteConfig config;
};
} // namespace
void AlgebraicSimplification::runOnOperation() {
RewritePatternSet patterns(&getContext());
populateMathAlgebraicSimplificationPatterns(patterns);
(void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns),
config);
}
std::unique_ptr<mlir::Pass> fir::createAlgebraicSimplificationPass() {
return std::make_unique<AlgebraicSimplification>(GreedyRewriteConfig());
}
std::unique_ptr<mlir::Pass> fir::createAlgebraicSimplificationPass(
const mlir::GreedyRewriteConfig &config) {
return std::make_unique<AlgebraicSimplification>(config);
}