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 namespace llvm {
20 
21 class AssumptionCache;
22 class Loop;
23 class LoopInfo;
24 class LPPassManager;
25 class Pass;
26 
27 bool UnrollLoop(Loop *L, unsigned Count, unsigned TripCount, bool AllowRuntime,
28                 unsigned TripMultiple, LoopInfo *LI, Pass *PP,
29                 LPPassManager *LPM, AssumptionCache *AC);
30 
31 bool UnrollRuntimeLoopProlog(Loop *L, unsigned Count, LoopInfo *LI,
32                              LPPassManager* LPM);
33 }
34 
35 #endif
36