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SkeletonJITInfo.h

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00001 //===- SkeletonJITInfo.h - Skeleton impl of JIT interface -------*- C++ -*-===//
00002 // 
00003 //                     The LLVM Compiler Infrastructure
00004 //
00005 // This file was developed by the LLVM research group and is distributed under
00006 // the University of Illinois Open Source License. See LICENSE.TXT for details.
00007 // 
00008 //===----------------------------------------------------------------------===//
00009 //
00010 // This file contains the skeleton implementation of the TargetJITInfo class.
00011 //
00012 //===----------------------------------------------------------------------===//
00013 
00014 #ifndef SKELETONJITINFO_H
00015 #define SKELETONJITINFO_H
00016 
00017 #include "llvm/Target/TargetJITInfo.h"
00018 
00019 namespace llvm {
00020   class TargetMachine;
00021   class IntrinsicLowering;
00022 
00023   class SkeletonJITInfo : public TargetJITInfo {
00024     TargetMachine &TM;
00025   public:
00026     SkeletonJITInfo(TargetMachine &tm) : TM(tm) {}
00027 
00028     /// addPassesToJITCompile - Add passes to the specified pass manager to
00029     /// implement a fast dynamic compiler for this target.  Return true if this
00030     /// is not supported for this target.
00031     ///
00032     virtual void addPassesToJITCompile(FunctionPassManager &PM);
00033     
00034     /// replaceMachineCodeForFunction - Make it so that calling the function
00035     /// whose machine code is at OLD turns into a call to NEW, perhaps by
00036     /// overwriting OLD with a branch to NEW.  This is used for self-modifying
00037     /// code.
00038     ///
00039     virtual void replaceMachineCodeForFunction(void *Old, void *New);
00040   };
00041 }
00042 
00043 #endif