Home | History | Annotate | Download | only in src
      1 //===- subzero/src/IceLoopAnalyzer.h - Loop Analysis ------------*- 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 /// \file
     11 /// \brief This analysis identifies loops in the CFG.
     12 //===----------------------------------------------------------------------===//
     13 
     14 #ifndef SUBZERO_SRC_ICELOOPANALYZER_H
     15 #define SUBZERO_SRC_ICELOOPANALYZER_H
     16 
     17 #include "IceDefs.h"
     18 
     19 namespace Ice {
     20 
     21 struct Loop {
     22   Loop(CfgNode *Header, CfgNode *PreHeader, CfgUnorderedSet<SizeT> Body)
     23       : Header(Header), PreHeader(PreHeader), Body(Body) {}
     24   CfgNode *Header;
     25   CfgNode *PreHeader;
     26   CfgUnorderedSet<SizeT> Body; // Node IDs
     27 };
     28 
     29 CfgVector<Loop> ComputeLoopInfo(Cfg *Func);
     30 
     31 } // end of namespace Ice
     32 
     33 #endif //  SUBZERO_SRC_ICELOOPANALYZER_H
     34