inlining.hpp

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/*
 * Copyright 2017 Nico Reißmann <nico.reissmann@gmail.com>
 * See COPYING for terms of redistribution.
 */
 
#ifndef JLM_LLVM_OPT_INLINE_HPP
#define JLM_LLVM_OPT_INLINE_HPP
 
#include <jlm/rvsdg/Transformation.hpp>
 
namespace jlm::rvsdg
{
class SimpleNode;
class LambdaNode;
}
 
namespace jlm::llvm
{
 
class FunctionInlining final : public rvsdg::Transformation
{
public:
  class Statistics;
  struct Context;
 
  ~FunctionInlining() noexcept override;
 
  FunctionInlining();
 
  FunctionInlining(const FunctionInlining &) = delete;
 
  FunctionInlining &
  operator=(const FunctionInlining &) = delete;
 
private:
  static void
  inlineCall(
      rvsdg::SimpleNode & callNode,
      rvsdg::LambdaNode & caller,
      const rvsdg::LambdaNode & callee);
 
  static bool
  canBeInlined(rvsdg::Region & region, bool topLevelRegion);
 
  bool
  shouldInline(
      rvsdg::SimpleNode & callNode,
      rvsdg::LambdaNode & caller,
      rvsdg::LambdaNode & callee);
 
  void
  considerCallForInlining(rvsdg::SimpleNode & callNode, rvsdg::LambdaNode & callerLambda);
 
  void
  visitIntraProceduralRegion(rvsdg::Region & region, rvsdg::LambdaNode & lambda);
 
  void
  visitLambda(rvsdg::LambdaNode & lambda);
 
  void
  visitInterProceduralRegion(rvsdg::Region & region);
 
public:
  static void
  inlineCall(rvsdg::SimpleNode & callNode, const rvsdg::LambdaNode & callee);
 
  static bool
  canBeInlined(const rvsdg::LambdaNode & callee);
 
  void
  Run(rvsdg::RvsdgModule & module, util::StatisticsCollector & statisticsCollector) override;
 
private:
  std::unique_ptr<Context> context_;
};
 
}
 
#endif