//===- LoopAccessAnalysisPrinter.cpp - Loop Access Analysis Printer --------==//

//

// 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

//

//===----------------------------------------------------------------------===//

#include "llvm/Transforms/Scalar/LoopAccessAnalysisPrinter.h"

#include "llvm/ADT/PriorityWorklist.h"

#include "llvm/Analysis/LoopAccessAnalysis.h"

#include "llvm/Analysis/LoopInfo.h"

#include "llvm/Transforms/Utils/LoopUtils.h"

using namespace llvm;

#define DEBUG_TYPE "loop-accesses"

PreservedAnalyses LoopAccessInfoPrinterPass::run(Function &F,

                                                 FunctionAnalysisManager &AM) {

  auto &LAIs = AM.getResult<LoopAccessAnalysis>(F);

  auto &LI = AM.getResult<LoopAnalysis>(F);

  OS << "Printing analysis 'Loop Access Analysis' for function '" << F.getName()

     << "':\n";

  SmallPriorityWorklist<Loop *, 4> Worklist;

  appendLoopsToWorklist(LI, Worklist);

  while (!Worklist.empty()) {

    Loop *L = Worklist.pop_back_val();

    OS.indent(2) << L->getHeader()->getName() << ":\n";

    LAIs.getInfo(*L).print(OS, 4);

  }

  return PreservedAnalyses::all();

}