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
20namespace llvm {
21
22class Function;
23
24enum class SROAOptions : bool { ModifyCFG, PreserveCFG };
25
26class SROAPass : public PassInfoMixin<SROAPass> {
27 const SROAOptions PreserveCFG;
28
29public:
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