contrib/llvm/lib/Analysis/LoopPassManager.cpp

   1 //===- LoopPassManager.cpp - Loop pass management -------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include "llvm/Analysis/LoopPassManager.h"
  11 #include "llvm/Analysis/BasicAliasAnalysis.h"
  12 #include "llvm/Analysis/GlobalsModRef.h"
  13 #include "llvm/Analysis/LoopInfo.h"
  14 #include "llvm/Analysis/ScalarEvolution.h"
  15 #include "llvm/Analysis/ScalarEvolutionAliasAnalysis.h"
  16 #include "llvm/IR/Dominators.h"
  17
  18 using namespace llvm;
  19
  20 // Explicit instantiations for core typedef'ed templates.
  21 namespace llvm {
  22 template class PassManager<Loop>;
  23 template class AnalysisManager<Loop>;
  24 template class InnerAnalysisManagerProxy<LoopAnalysisManager, Function>;
  25 template class OuterAnalysisManagerProxy<FunctionAnalysisManager, Loop>;
  26 }
  27
  28 PreservedAnalyses llvm::getLoopPassPreservedAnalyses() {
  29   PreservedAnalyses PA;
  30   PA.preserve<DominatorTreeAnalysis>();
  31   PA.preserve<LoopAnalysis>();
  32   PA.preserve<ScalarEvolutionAnalysis>();
  33   // TODO: What we really want to do here is preserve an AA category, but that
  34   // concept doesn't exist yet.
  35   PA.preserve<BasicAA>();
  36   PA.preserve<GlobalsAA>();
  37   PA.preserve<SCEVAA>();
  38   return PA;
  39 }