| //===- ArgumentPromotion.h - Promote by-reference arguments -----*- 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_ARGUMENTPROMOTION_H |
| #define LLVM_TRANSFORMS_IPO_ARGUMENTPROMOTION_H |
| |
| #include "llvm/Analysis/CGSCCPassManager.h" |
| #include "llvm/Analysis/LazyCallGraph.h" |
| #include "llvm/IR/PassManager.h" |
| |
| namespace llvm { |
| |
| /// Argument promotion pass. |
| /// |
| /// This pass walks the functions in each SCC and for each one tries to |
| /// transform it and all of its callers to replace indirect arguments with |
| /// direct (by-value) arguments. |
| class ArgumentPromotionPass : public PassInfoMixin<ArgumentPromotionPass> { |
| unsigned MaxElements; |
| |
| public: |
| ArgumentPromotionPass(unsigned MaxElements = 3u) : MaxElements(MaxElements) {} |
| |
| PreservedAnalyses run(LazyCallGraph::SCC &C, CGSCCAnalysisManager &AM, |
| LazyCallGraph &CG, CGSCCUpdateResult &UR); |
| }; |
| |
| } // end namespace llvm |
| |
| #endif // LLVM_TRANSFORMS_IPO_ARGUMENTPROMOTION_H |