1 //===- ModuleInliner.h - Module level Inliner pass --------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_TRANSFORMS_IPO_MODULEINLINER_H 10 #define LLVM_TRANSFORMS_IPO_MODULEINLINER_H 11 12 #include "llvm/Analysis/InlineAdvisor.h" 13 #include "llvm/Analysis/InlineCost.h" 14 #include "llvm/IR/PassManager.h" 15 16 namespace llvm { 17 18 /// The module inliner pass for the new pass manager. 19 /// 20 /// This pass wires together the inlining utilities and the inline cost 21 /// analysis into a module pass. Different from SCC inliner, it considers every 22 /// call in every function in the whole module and tries to inline if 23 /// profitable. With this module level inliner, it is possible to evaluate more 24 /// heuristics in the module level such like PriorityInlineOrder. It can be 25 /// tuned with a number of parameters to control what cost model is used and 26 /// what tradeoffs are made when making the decision. 27 class ModuleInlinerPass : public PassInfoMixin<ModuleInlinerPass> { 28 public: 29 ModuleInlinerPass(InlineParams Params = getInlineParams(), 30 InliningAdvisorMode Mode = InliningAdvisorMode::Default, 31 ThinOrFullLTOPhase LTOPhase = ThinOrFullLTOPhase::None) Params(Params)32 : Params(Params), Mode(Mode), LTOPhase(LTOPhase){}; 33 ModuleInlinerPass(ModuleInlinerPass &&Arg) = default; 34 35 PreservedAnalyses run(Module &, ModuleAnalysisManager &); 36 37 private: 38 InlineAdvisor &getAdvisor(const ModuleAnalysisManager &MAM, 39 FunctionAnalysisManager &FAM, Module &M); 40 std::unique_ptr<InlineAdvisor> OwnedAdvisor; 41 const InlineParams Params; 42 const InliningAdvisorMode Mode; 43 const ThinOrFullLTOPhase LTOPhase; 44 }; 45 } // end namespace llvm 46 47 #endif // LLVM_TRANSFORMS_IPO_MODULEINLINER_H 48