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