//===-- 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.
#define TARGET_X86_H
#include <iosfwd>
+
+namespace llvm {
+
class TargetMachine;
-class Pass;
+class FunctionPass;
/// 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);
+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.
///
-Pass *createX86PeepholeOptimizerPass();
+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.
///
-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.
///
-Pass *createX86CodePrinterPass(std::ostream &o, TargetMachine &tm);
+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();
+FunctionPass *createEmitX86CodeToMemory();
// Defines symbolic names for X86 registers. This defines a mapping from
// register name to register number.
//
+} // End llvm namespace
+
#include "X86GenRegisterNames.inc"
-/// X86 namespace - This namespace contains all of the register and opcode enums
-/// used by the X86 backend.
-///
-namespace X86 {
- // 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"
- };
-}
+// Defines symbolic names for the X86 instructions.
+//
+#include "X86GenInstrNames.inc"
#endif