Rip JIT specific stuff out of TargetMachine, as per PR176

[oota-llvm.git] / lib / Target / X86 / X86.h

diff --git a/lib/Target/X86/X86.h b/lib/Target/X86/X86.h
index 5c5133ebf5d79814b32eabdceed2ab799322f690..35845fb0380add4b8a7abbdd925f4dd07033fed2 100644 (file)
--- a/lib/Target/X86/X86.h
+++ b/lib/Target/X86/X86.h
@@ -1,62 +1,83 @@
 //===-- 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>
-class MachineFunction;
-class Function;
+
+namespace llvm {
+
 class TargetMachine;
+class FunctionPass;
 
-/// X86PrintCode - 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.
+/// 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.
 ///
-void X86PrintCode(const MachineFunction *MF, std::ostream &O);
+FunctionPass *createX86SimpleInstructionSelector(TargetMachine &TM);
 
-/// X86SimpleInstructionSelection - This function 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.
+/// 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.
 ///
-MachineFunction *X86SimpleInstructionSelection(Function &F, TargetMachine &TM);
+FunctionPass *createX86SSAPeepholeOptimizerPass();
 
-/// X86SimpleRegisterAllocation - This function converts the specified machine
-/// code function from SSA form to use explicit registers by spilling every
-/// register.  Wow, great policy huh?
+/// createX86PeepholeOptimizer - Create a pass to perform X86 specific peephole
+/// optimizations.
 ///
-inline void X86SimpleRegisterAllocation(MachineFunction *MF) {}
+FunctionPass *createX86PeepholeOptimizerPass();
 
-/// 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.
+/// 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.
 ///
-inline void *X86EmitCodeToMemory(MachineFunction *MF) { return 0; }
+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.
+///
+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.
+///
+FunctionPass *createX86CodePrinterPass(std::ostream &o,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();
+
+// 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, FLAGS, TSFLAGS) ENUM,
-#include "X86InstrInfo.def"
-  };
-}
+#include "X86GenInstrNames.inc"
 
 #endif