llvm-6502/lib/Target/X86/X86.h
Chris Lattner 31ad5dd67f Move passes out to Passes.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5227 91177308-0d34-0410-b5e6-96231b3b80d8
2003-01-13 00:45:29 +00:00

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//===-- X86.h - Top-level interface for X86 representation ------*- C++ -*-===//
//
// 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>
class TargetMachine;
class Pass;
/// createSimpleX86InstructionSelector - This pass converts an LLVM function
/// into a machine code representation is a very simple peep-hole fashion. The
/// generated code sucks but the implementation is nice and simple.
///
Pass *createSimpleX86InstructionSelector(TargetMachine &TM);
/// createX86PeepholeOptimizer - Create a pass to perform X86 specific peephole
/// optimizations.
///
Pass *createX86PeepholeOptimizerPass();
/// createX86FloatingPointStackifierPass - This function returns a pass which
/// converts floating point register references and pseudo instructions into
/// floating point stack references and physical instructions.
///
Pass *createX86FloatingPointStackifierPass();
/// createX86CodePrinterPass - Print out the specified machine code function to
/// the specified stream. This function should work regardless of whether or
/// not the function is in SSA form or not.
///
Pass *createX86CodePrinterPass(std::ostream &O);
/// X86EmitCodeToMemory - This function converts a register allocated function
/// into raw machine code in a dynamically allocated chunk of memory. A pointer
/// to the start of the function is returned.
///
Pass *createEmitX86CodeToMemory();
// Put symbolic names in a namespace to avoid causing these to clash with all
// kinds of other things...
//
namespace X86 {
// Defines a large number of symbolic names for X86 registers. This defines a
// mapping from register name to register number.
//
enum Register {
#define R(ENUM, NAME, FLAGS, TSFLAGS, ALIAS_SET) ENUM,
#include "X86RegisterInfo.def"
};
// This defines a large number of symbolic names for X86 instruction opcodes.
enum Opcode {
#define I(ENUM, NAME, BASEOPCODE, FLAGS, TSFLAGS, IMPDEFS, IMPUSES) ENUM,
#include "X86InstrInfo.def"
};
}
#endif