//===-- 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.
//
-// FIXME: This file will be dramatically changed in the future
-//
//===----------------------------------------------------------------------===//
#ifndef TARGET_X86_H
#define TARGET_X86_H
#include <iosfwd>
+
+namespace llvm {
+
class TargetMachine;
-class Pass;
+class FunctionPass;
+class IntrinsicLowering;
-/// createSimpleX86InstructionSelector - This pass converts an LLVM function
-/// into a machine code representation is a very simple peep-hole fashion. The
+/// 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.
///
-Pass *createSimpleX86InstructionSelector(TargetMachine &TM);
+FunctionPass *createX86SimpleInstructionSelector(TargetMachine &TM);
+
+/// createX86PatternInstructionSelector - This pass converts an LLVM function
+/// into a machine code representation using pattern matching and a machine
+/// description file.
+///
+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();
-/// X86SimpleRegisterAllocation - This function converts the specified machine
-/// code function from SSA form to use explicit registers by spilling every
-/// register. Wow, great policy huh?
+/// createX86FloatingPointStackifierPass - This function returns a pass which
+/// converts floating point register references and pseudo instructions into
+/// floating point stack references and physical instructions.
///
-Pass *createSimpleX86RegisterAllocator(TargetMachine &TM);
+FunctionPass *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.
+/// 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.
///
-Pass *createX86CodePrinterPass(TargetMachine &TM, std::ostream &O);
+FunctionPass *createX86CodePrinterPass(std::ostream &o,TargetMachine &tm);
-/// 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.
+/// createX86EmitCodeToMemory - Returns a pass that converts a register
+/// allocated function into raw machine code in a dynamically
+/// allocated chunk of memory.
///
-Pass *createEmitX86CodeToMemory(TargetMachine &TM);
+FunctionPass *createEmitX86CodeToMemory();
+
+// Defines symbolic names for X86 registers. This defines a mapping from
+// register name to register number.
+//
+} // End llvm namespace
+
+#include "X86GenRegisterNames.inc"
-// Put symbolic names in a namespace to avoid causing these to clash with all
-// kinds of other things...
+// Defines symbolic names for the X86 instructions.
//
-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) 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) ENUM,
-#include "X86InstrInfo.def"
- };
-}
+#include "X86GenInstrNames.inc"
#endif