llvm/mlir/lib/ExecutionEngine/OptUtils.cpp

//===- OptUtils.cpp - MLIR Execution Engine optimization pass utilities ---===//
//
// 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 implements the utility functions to trigger LLVM optimizations from
// MLIR Execution Engine.
//
//===----------------------------------------------------------------------===//

#include "mlir/ExecutionEngine/OptUtils.h"

#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/IR/Module.h"
#include "llvm/Passes/OptimizationLevel.h"
#include "llvm/Passes/PassBuilder.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/FormatVariadic.h"
#include "llvm/Target/TargetMachine.h"
#include <optional>

usingnamespacellvm;

static std::optional<OptimizationLevel> mapToLevel(unsigned optLevel,
                                                   unsigned sizeLevel) { … }
// Create and return a lambda that uses LLVM pass manager builder to set up
// optimizations based on the given level.
std::function<Error(Module *)>
mlir::makeOptimizingTransformer(unsigned optLevel, unsigned sizeLevel,
                                TargetMachine *targetMachine) { … }