1//===- LoopExtractor.h - Extract each loop into a new function ------------===//
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// A pass wrapper around the ExtractLoop() scalar transformation to extract each
10// top-level loop into its own new function. If the loop is the ONLY loop in a
11// given function, it is not touched. This is a pass most useful for debugging
12// via bugpoint.
13//
14//===----------------------------------------------------------------------===//
15
16#ifndef LLVM_TRANSFORMS_IPO_LOOPEXTRACTOR_H
17#define LLVM_TRANSFORMS_IPO_LOOPEXTRACTOR_H
18
19#include "llvm/IR/PassManager.h"
20
21namespace llvm {
22
23struct LoopExtractorPass : public PassInfoMixin<LoopExtractorPass> {
24 LoopExtractorPass(unsigned NumLoops = ~0) : NumLoops(NumLoops) {}
25 PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
26 void printPipeline(raw_ostream &OS,
27 function_ref<StringRef(StringRef)> MapClassName2PassName);
28
29private:
30 unsigned NumLoops;
31};
32} // namespace llvm
33
34#endif // LLVM_TRANSFORMS_IPO_LOOPEXTRACTOR_H
35

source code of llvm/include/llvm/Transforms/IPO/LoopExtractor.h