llvm/lib/Transforms/Scalar/LoopAccessAnalysisPrinter.cpp

   1 //===- LoopAccessAnalysisPrinter.cpp - Loop Access Analysis Printer --------==//
   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 #include "llvm/Transforms/Scalar/LoopAccessAnalysisPrinter.h"
  10 #include "llvm/ADT/PriorityWorklist.h"
  11 #include "llvm/Analysis/LoopAccessAnalysis.h"
  12 #include "llvm/Analysis/LoopInfo.h"
  13 #include "llvm/Transforms/Utils/LoopUtils.h"
  14
  15 using namespace llvm;
  16
  17 #define DEBUG_TYPE "loop-accesses"
  18
  19 PreservedAnalyses LoopAccessInfoPrinterPass::run(Function &F,
  20                                                  FunctionAnalysisManager &AM) {
  21   auto &LAIs = AM.getResult<LoopAccessAnalysis>(F);
  22   auto &LI = AM.getResult<LoopAnalysis>(F);
  23   OS << "Printing analysis 'Loop Access Analysis' for function '" << F.getName()
  24      << "':\n";
  25
  26   SmallPriorityWorklist<Loop *, 4> Worklist;
  27   appendLoopsToWorklist(LI, Worklist);
  28   while (!Worklist.empty()) {
  29     Loop *L = Worklist.pop_back_val();
  30     OS.indent(2) << L->getHeader()->getName() << ":\n";
  31     LAIs.getInfo(*L).print(OS, 4);
  32   }
  33   return PreservedAnalyses::all();
  34 }