xref: /freebsd/contrib/llvm-project/llvm/lib/Transforms/Scalar/LoopAccessAnalysisPrinter.cpp (revision aa1a8ff2d6dbc51ef058f46f3db5a8bb77967145)
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 }
35