//===-- 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.
//
-// FIXME: This file will be dramatically changed in the future
-//
//===----------------------------------------------------------------------===//
#ifndef TARGET_X86_H
#define TARGET_X86_H
-#include <iosfwd>
-class TargetMachine;
-class Pass;
+#include "llvm/Target/TargetMachine.h"
+
+namespace llvm {
+
+class X86TargetMachine;
+class FunctionPass;
+class MachineCodeEmitter;
+class MCCodeEmitter;
+class JITCodeEmitter;
+class Target;
+class formatted_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);
-/// 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.
+/// createX86FloatingPointStackifierPass - This function returns a pass which
+/// converts floating point register references and pseudo instructions into
+/// floating point stack references and physical instructions.
///
-Pass *createSimpleX86InstructionSelector(TargetMachine &TM);
+FunctionPass *createX86FloatingPointStackifierPass();
-/// X86SimpleRegisterAllocation - This function converts the specified machine
-/// code function from SSA form to use explicit registers by spilling every
-/// register. Wow, great policy huh?
+/// createX87FPRegKillInserterPass - This function returns a pass which
+/// inserts FP_REG_KILL instructions where needed.
///
-Pass *createSimpleX86RegisterAllocator(TargetMachine &TM);
+FunctionPass *createX87FPRegKillInserterPass();
+
+/// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
+/// to the specified MCE object.
+
+FunctionPass *createX86CodeEmitterPass(X86TargetMachine &TM,
+ MachineCodeEmitter &MCE);
+FunctionPass *createX86JITCodeEmitterPass(X86TargetMachine &TM,
+ JITCodeEmitter &JCE);
+FunctionPass *createX86ObjectCodeEmitterPass(X86TargetMachine &TM,
+ ObjectCodeEmitter &OCE);
+
+MCCodeEmitter *createX86MCCodeEmitter(const Target &, TargetMachine &TM);
-/// 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.
+/// createX86EmitCodeToMemory - Returns a pass that converts a register
+/// allocated function into raw machine code in a dynamically
+/// allocated chunk of memory.
///
-Pass *createX86CodePrinterPass(TargetMachine &TM, std::ostream &O);
+FunctionPass *createEmitX86CodeToMemory();
-/// 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.
+/// createX86MaxStackAlignmentCalculatorPass - This function returns a pass
+/// which calculates maximal stack alignment required for function
///
-Pass *createEmitX86CodeToMemory(TargetMachine &TM);
+FunctionPass *createX86MaxStackAlignmentCalculatorPass();
+
+extern Target TheX86_32Target, TheX86_64Target;
+
+} // End llvm namespace
+
+// Defines symbolic names for X86 registers. This defines a mapping from
+// register name to register number.
+//
+#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, IMPDEFS, IMPUSES) ENUM,
-#include "X86InstrInfo.def"
- };
-}
+#include "X86GenInstrNames.inc"
#endif