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//===-- X86.h - Top-level interface for X86 representation ------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the entry points for global functions defined in the x86
// target library, as used by the LLVM JIT.
//
//===----------------------------------------------------------------------===//
#ifndef TARGET_X86_H
#define TARGET_X86_H
#include "MCTargetDesc/X86MCTargetDesc.h"
#include "llvm/Support/DataTypes.h"
#include "llvm/Target/TargetMachine.h"
namespace llvm {
class FunctionPass;
class JITCodeEmitter;
class MachineCodeEmitter;
class MCCodeEmitter;
class MCContext;
class MCInstrInfo;
class MCObjectWriter;
class MCSubtargetInfo;
class Target;
class TargetAsmBackend;
class X86TargetMachine;
class formatted_raw_ostream;
class raw_ostream;
/// createX86ISelDag - This pass converts a legalized DAG into a
/// X86-specific DAG, ready for instruction scheduling.
///
FunctionPass *createX86ISelDag(X86TargetMachine &TM,
CodeGenOpt::Level OptLevel);
/// createGlobalBaseRegPass - This pass initializes a global base
/// register for PIC on x86-32.
FunctionPass* createGlobalBaseRegPass();
/// createX86FloatingPointStackifierPass - This function returns a pass which
/// converts floating point register references and pseudo instructions into
/// floating point stack references and physical instructions.
///
FunctionPass *createX86FloatingPointStackifierPass();
/// createSSEDomainFixPass - This pass twiddles SSE opcodes to prevent domain
/// crossings.
FunctionPass *createSSEDomainFixPass();
/// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
/// to the specified MCE object.
FunctionPass *createX86JITCodeEmitterPass(X86TargetMachine &TM,
JITCodeEmitter &JCE);
MCCodeEmitter *createX86MCCodeEmitter(const MCInstrInfo &MCII,
const MCSubtargetInfo &STI,
MCContext &Ctx);
TargetAsmBackend *createX86_32AsmBackend(const Target &, const std::string &);
TargetAsmBackend *createX86_64AsmBackend(const Target &, const std::string &);
/// createX86EmitCodeToMemory - Returns a pass that converts a register
/// allocated function into raw machine code in a dynamically
/// allocated chunk of memory.
///
FunctionPass *createEmitX86CodeToMemory();
/// createX86MaxStackAlignmentHeuristicPass - This function returns a pass
/// which determines whether the frame pointer register should be
/// reserved in case dynamic stack alignment is later required.
///
FunctionPass *createX86MaxStackAlignmentHeuristicPass();
/// createX86MachObjectWriter - Construct an X86 Mach-O object writer.
MCObjectWriter *createX86MachObjectWriter(raw_ostream &OS,
bool Is64Bit,
uint32_t CPUType,
uint32_t CPUSubtype);
} // End llvm namespace
#endif
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