1 //===- SROA.h - Scalar Replacement Of Aggregates ----------------*- 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 /// \file 9 /// This file provides the interface for LLVM's Scalar Replacement of 10 /// Aggregates pass. This pass provides both aggregate splitting and the 11 /// primary SSA formation used in the compiler. 12 /// 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_TRANSFORMS_SCALAR_SROA_H 16 #define LLVM_TRANSFORMS_SCALAR_SROA_H 17 18 #include "llvm/IR/PassManager.h" 19 20 namespace llvm { 21 22 class Function; 23 24 enum class SROAOptions : bool { ModifyCFG, PreserveCFG }; 25 26 class SROAPass : public PassInfoMixin<SROAPass> { 27 const SROAOptions PreserveCFG; 28 29 public: 30 /// If \p PreserveCFG is set, then the pass is not allowed to modify CFG 31 /// in any way, even if it would update CFG analyses. 32 SROAPass(SROAOptions PreserveCFG); 33 34 /// Run the pass over the function. 35 PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); 36 37 void printPipeline(raw_ostream &OS, 38 function_ref<StringRef(StringRef)> MapClassName2PassName); 39 }; 40 41 } // end namespace llvm 42 43 #endif // LLVM_TRANSFORMS_SCALAR_SROA_H 44