1 //===- X86JITInfo.h - X86 implementation of the JIT interface --*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains the X86 implementation of the TargetJITInfo class.
12 //===----------------------------------------------------------------------===//
17 #include "llvm/Target/TargetJITInfo.h"
21 class IntrinsicLowering;
23 class X86JITInfo : public TargetJITInfo {
25 IntrinsicLowering &IL;
27 X86JITInfo(TargetMachine &tm, IntrinsicLowering &il) : TM(tm), IL(il) {}
29 /// addPassesToJITCompile - Add passes to the specified pass manager to
30 /// implement a fast dynamic compiler for this target. Return true if this
31 /// is not supported for this target.
33 virtual void addPassesToJITCompile(FunctionPassManager &PM);
35 /// replaceMachineCodeForFunction - Make it so that calling the function
36 /// whose machine code is at OLD turns into a call to NEW, perhaps by
37 /// overwriting OLD with a branch to NEW. This is used for self-modifying
40 virtual void replaceMachineCodeForFunction (void *Old, void *New);
42 /// getJITStubForFunction - Create or return a stub for the specified
43 /// function. This stub acts just like the specified function, except that
44 /// it allows the "address" of the function to be taken without having to
45 /// generate code for it.
46 virtual void *getJITStubForFunction(Function *F, MachineCodeEmitter &MCE);