include/llvm/Transforms/Utils/UnrollLoop.h

   1 //===- llvm/Transforms/Utils/UnrollLoop.h - Unrolling utilities -*- C++ -*-===//
   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 // This file defines some loop unrolling utilities. It does not define any
  11 // actual pass or policy, but provides a single function to perform loop
  12 // unrolling.
  13 //
  14 //===----------------------------------------------------------------------===//
  15
  16 #ifndef LLVM_TRANSFORMS_UTILS_UNROLLLOOP_H
  17 #define LLVM_TRANSFORMS_UTILS_UNROLLLOOP_H
  18
  19 #include "llvm/ADT/StringRef.h"
  20
  21 namespace llvm {
  22
  23 class AssumptionCache;
  24 class DominatorTree;
  25 class Loop;
  26 class LoopInfo;
  27 class LPPassManager;
  28 class MDNode;
  29 class Pass;
  30 class ScalarEvolution;
  31
  32 bool UnrollLoop(Loop *L, unsigned Count, unsigned TripCount, bool AllowRuntime,
  33                 bool AllowExpensiveTripCount, unsigned TripMultiple,
  34                 LoopInfo *LI, ScalarEvolution *SE, DominatorTree *DT,
  35                 AssumptionCache *AC, bool PreserveLCSSA, LPPassManager *LPM);
  36
  37 bool UnrollRuntimeLoopProlog(Loop *L, unsigned Count,
  38                              bool AllowExpensiveTripCount, LoopInfo *LI,
  39                              ScalarEvolution *SE, DominatorTree *DT,
  40                              bool PreserveLCSSA);
  41
  42 MDNode *GetUnrollMetadata(MDNode *LoopID, StringRef Name);
  43 }
  44
  45 #endif