//===-- 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 <iosfwd>
-class TargetMachine;
-class Pass;
+#include "llvm/Target/TargetMachine.h"
-/// 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 *createX86SimpleInstructionSelector(TargetMachine &TM);
+namespace llvm {
-/// createX86PatternInstructionSelector - This pass converts an LLVM function
-/// into a machine code representation using pattern matching and a machine
-/// description file.
-///
-Pass *createX86PatternInstructionSelector(TargetMachine &TM);
+class X86TargetMachine;
+class FunctionPass;
+class MachineCodeEmitter;
+class MCCodeEmitter;
+class JITCodeEmitter;
+class Target;
+class formatted_raw_ostream;
-/// createX86PeepholeOptimizer - Create a pass to perform X86 specific peephole
-/// optimizations.
+/// createX86ISelDag - This pass converts a legalized DAG into a
+/// X86-specific DAG, ready for instruction scheduling.
///
-Pass *createX86PeepholeOptimizerPass();
+FunctionPass *createX86ISelDag(X86TargetMachine &TM,
+ CodeGenOpt::Level OptLevel);
/// 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();
+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.
+/// createX87FPRegKillInserterPass - This function returns a pass which
+/// inserts FP_REG_KILL instructions where needed.
///
-Pass *createX86CodePrinterPass(std::ostream &o, TargetMachine &tm);
+FunctionPass *createX87FPRegKillInserterPass();
+
+/// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
+/// to the specified MCE object.
-/// 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.
+FunctionPass *createX86CodeEmitterPass(X86TargetMachine &TM,
+ MachineCodeEmitter &MCE);
+FunctionPass *createX86JITCodeEmitterPass(X86TargetMachine &TM,
+ JITCodeEmitter &JCE);
+FunctionPass *createX86ObjectCodeEmitterPass(X86TargetMachine &TM,
+ ObjectCodeEmitter &OCE);
+
+MCCodeEmitter *createX86MCCodeEmitter(const Target &, 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();
+
+/// createX86MaxStackAlignmentCalculatorPass - This function returns a pass
+/// which calculates maximal stack alignment required for function
///
-Pass *createEmitX86CodeToMemory();
+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.