Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===- ModuleInliner.h - Module level Inliner pass --------------*- C++ -*-===//

//

// 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

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_TRANSFORMS_IPO_MODULEINLINER_H

#define LLVM_TRANSFORMS_IPO_MODULEINLINER_H

#include "llvm/Analysis/InlineAdvisor.h"

#include "llvm/Analysis/InlineCost.h"

#include "llvm/IR/PassManager.h"

namespace llvm {

/// The module inliner pass for the new pass manager.

///

/// This pass wires together the inlining utilities and the inline cost

/// analysis into a module pass. Different from SCC inliner, it considers every

/// call in every function in the whole module and tries to inline if

/// profitable. With this module level inliner, it is possible to evaluate more

/// heuristics in the module level such like PriorityInlineOrder. It can be

/// tuned with a number of parameters to control what cost model is used and

/// what tradeoffs are made when making the decision.

class ModuleInlinerPass : public PassInfoMixin<ModuleInlinerPass> {

public:

  ModuleInlinerPass(InlineParams Params = getInlineParams(),

                    InliningAdvisorMode Mode = InliningAdvisorMode::Default,

                    ThinOrFullLTOPhase LTOPhase = ThinOrFullLTOPhase::None)

      : Params(Params), Mode(Mode), LTOPhase(LTOPhase){};

  ModuleInlinerPass(ModuleInlinerPass &&Arg) = default;

  PreservedAnalyses run(Module &, ModuleAnalysisManager &);

private:

  InlineAdvisor &getAdvisor(const ModuleAnalysisManager &MAM,

                            FunctionAnalysisManager &FAM, Module &M);

  std::unique_ptr<InlineAdvisor> OwnedAdvisor;

  const InlineParams Params;

  const InliningAdvisorMode Mode;

  const ThinOrFullLTOPhase LTOPhase;

};

} // end namespace llvm

#endif // LLVM_TRANSFORMS_IPO_MODULEINLINER_H