//===-- 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 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
//
//===----------------------------------------------------------------------===//
-#ifndef TARGET_X86_H
-#define TARGET_X86_H
+#ifndef LLVM_LIB_TARGET_X86_X86_H
+#define LLVM_LIB_TARGET_X86_X86_H
+
+#include "llvm/Support/CodeGen.h"
+
+namespace llvm {
-#include <iosfwd>
-class TargetMachine;
class FunctionPass;
+class ImmutablePass;
+class X86TargetMachine;
+
+/// This pass converts a legalized DAG into a X86-specific DAG, ready for
+/// instruction scheduling.
+FunctionPass *createX86ISelDag(X86TargetMachine &TM,
+ CodeGenOpt::Level OptLevel);
+
+/// This pass initializes a global base register for PIC on x86-32.
+FunctionPass *createX86GlobalBaseRegPass();
+
+/// This pass combines multiple accesses to local-dynamic TLS variables so that
+/// the TLS base address for the module is only fetched once per execution path
+/// through the function.
+FunctionPass *createCleanupLocalDynamicTLSPass();
-/// 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.
-///
-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);
-
-/// createX86PeepholeOptimizer - Create a pass to perform X86 specific peephole
-/// optimizations.
-///
-FunctionPass *createX86PeepholeOptimizerPass();
-
-/// createX86FloatingPointStackifierPass - This function returns a pass which
-/// converts floating point register references and pseudo instructions into
-/// floating point stack references and physical instructions.
-///
+/// 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.
-//
-#include "X86GenRegisterNames.inc"
+/// This pass inserts AVX vzeroupper instructions before each call to avoid
+/// transition penalty between functions encoded with AVX and SSE.
+FunctionPass *createX86IssueVZeroUpperPass();
-// Defines symbolic names for the X86 instructions.
-//
-#include "X86GenInstrNames.inc"
+/// Return a pass that pads short functions with NOOPs.
+/// This will prevent a stall when returning on the Atom.
+FunctionPass *createX86PadShortFunctions();
+
+/// Return a pass that selectively replaces certain instructions (like add,
+/// sub, inc, dec, some shifts, and some multiplies) by equivalent LEA
+/// instructions, in order to eliminate execution delays in some processors.
+FunctionPass *createX86FixupLEAs();
+
+/// Return a pass that removes redundant LEA instructions and redundant address
+/// recalculations.
+FunctionPass *createX86OptimizeLEAs();
+
+/// Return a pass that optimizes the code-size of x86 call sequences. This is
+/// done by replacing esp-relative movs with pushes.
+FunctionPass *createX86CallFrameOptimization();
+
+/// Return an IR pass that inserts EH registration stack objects and explicit
+/// EH state updates. This pass must run after EH preparation, which does
+/// Windows-specific but architecture-neutral preparation.
+FunctionPass *createX86WinEHStatePass();
+
+/// Return a Machine IR pass that expands X86-specific pseudo
+/// instructions into a sequence of actual instructions. This pass
+/// must run after prologue/epilogue insertion and before lowering
+/// the MachineInstr to MC.
+FunctionPass *createX86ExpandPseudoPass();
+} // End llvm namespace
#endif
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