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llvm-mirror/lib/Target/X86/X86.h
Chris Lattner cd6b5c5011 Add support to the X86 backend for emitting ELF files. To use this, we
currently use: llc t.bc --filetype=obj

This will produce a t.o file which is dumpable with readelf.  Currently
the file produced is empty, but the scaffolding to do more is now in place.

llvm-svn: 22292
2005-06-27 06:30:12 +00:00

96 lines
3.1 KiB
C++

//===-- X86.h - Top-level interface for X86 representation ------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and 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 <iosfwd>
namespace llvm {
class TargetMachine;
class FunctionPass;
class IntrinsicLowering;
enum X86VectorEnum {
NoSSE, SSE, SSE2, SSE3
};
extern X86VectorEnum X86Vector;
/// createX86SimpleInstructionSelector - This pass converts an LLVM function
/// into a machine code representation in a very simple peep-hole fashion. The
/// generated code sucks but the implementation is nice and simple.
///
FunctionPass *createX86SimpleInstructionSelector(TargetMachine &TM);
/// createX86PatternInstructionSelector - This pass converts an LLVM function
/// into a machine code representation in a more aggressive way.
///
FunctionPass *createX86PatternInstructionSelector(TargetMachine &TM);
/// createX86SSAPeepholeOptimizerPass - Create a pass to perform SSA-based X86
/// specific peephole optimizations.
///
FunctionPass *createX86SSAPeepholeOptimizerPass();
/// createX86PeepholeOptimizer - Create a pass to perform X86 specific peephole
/// optimizations.
///
FunctionPass *createX86PeepholeOptimizerPass();
/// createX86FloatingPointKiller - This function returns a pass which
/// kills every floating point register at the end of each basic block
/// because our FloatingPointStackifier cannot handle them.
///
FunctionPass *createX86FloatingPointKillerPass();
/// 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();
/// createX86CodePrinterPass - Returns a pass that prints the X86
/// assembly code for a MachineFunction to the given output stream,
/// using the given target machine description. This should work
/// regardless of whether the function is in SSA form.
///
FunctionPass *createX86CodePrinterPass(std::ostream &o,TargetMachine &tm);
/// createX86ELFObjectWriterPass - Returns a pass that outputs the generated
/// code as an ELF object file.
///
FunctionPass *createX86ELFObjectWriterPass(std::ostream &o, TargetMachine &tm);
/// createX86EmitCodeToMemory - Returns a pass that converts a register
/// allocated function into raw machine code in a dynamically
/// allocated chunk of memory.
///
FunctionPass *createEmitX86CodeToMemory();
} // End llvm namespace
// Defines symbolic names for X86 registers. This defines a mapping from
// register name to register number.
//
#include "X86GenRegisterNames.inc"
// Defines symbolic names for the X86 instructions.
//
#include "X86GenInstrNames.inc"
#endif