lib/CodeGen/VirtRegRewriter.h

   1 //===-- llvm/CodeGen/VirtRegRewriter.h - VirtRegRewriter -*- 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 #ifndef LLVM_CODEGEN_VIRTREGREWRITER_H
  11 #define LLVM_CODEGEN_VIRTREGREWRITER_H
  12
  13 #include "llvm/CodeGen/LiveIntervalAnalysis.h"
  14 #include "llvm/CodeGen/MachineFunction.h"
  15 #include "VirtRegMap.h"
  16
  17 namespace llvm {
  18
  19   /// VirtRegRewriter interface: Implementations of this interface assign
  20   /// spilled virtual registers to stack slots, rewriting the code.
  21   struct VirtRegRewriter {
  22     virtual ~VirtRegRewriter();
  23     virtual bool runOnMachineFunction(MachineFunction &MF, VirtRegMap &VRM,
  24                                       LiveIntervals* LIs) = 0;
  25   };
  26
  27   /// createVirtRegRewriter - Create an return a rewriter object, as specified
  28   /// on the command line.
  29   VirtRegRewriter* createVirtRegRewriter();
  30
  31 }
  32
  33 #endif