//===-- 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
-#include <iosfwd>
+#include "llvm/Support/CodeGen.h"
namespace llvm {
-class TargetMachine;
class FunctionPass;
+class ImmutablePass;
+class X86TargetMachine;
-/// 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);
+/// createX86AtomicExpandPass - This pass expands atomic operations that cannot
+/// be handled natively in terms of a loop using cmpxchg.
+FunctionPass *createX86AtomicExpandPass(const X86TargetMachine *TM);
-/// createX86SSAPeepholeOptimizerPass - Create a pass to perform SSA-based X86
-/// specific peephole optimizations.
+/// createX86ISelDag - This pass converts a legalized DAG into a
+/// X86-specific DAG, ready for instruction scheduling.
///
-FunctionPass *createX86SSAPeepholeOptimizerPass();
+FunctionPass *createX86ISelDag(X86TargetMachine &TM,
+ CodeGenOpt::Level OptLevel);
-/// createX86PeepholeOptimizer - Create a pass to perform X86 specific peephole
-/// optimizations.
-///
-FunctionPass *createX86PeepholeOptimizerPass();
+/// createX86GlobalBaseRegPass - This pass initializes a global base
+/// register for PIC on x86-32.
+FunctionPass* createX86GlobalBaseRegPass();
-/// 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();
+/// createCleanupLocalDynamicTLSPass() - 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();
/// createX86FloatingPointStackifierPass - This function returns a pass which
/// converts floating point register references and pseudo instructions into
///
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);
+/// createX86IssueVZeroUpperPass - This pass inserts AVX vzeroupper instructions
+/// before each call to avoid transition penalty between functions encoded with
+/// AVX and SSE.
+FunctionPass *createX86IssueVZeroUpperPass();
/// createX86EmitCodeToMemory - Returns a pass that converts a register
/// allocated function into raw machine code in a dynamically
///
FunctionPass *createEmitX86CodeToMemory();
-// Defines symbolic names for X86 registers. This defines a mapping from
-// register name to register number.
-//
-} // End llvm namespace
+/// \brief Creates an X86-specific Target Transformation Info pass.
+ImmutablePass *createX86TargetTransformInfoPass(const X86TargetMachine *TM);
-#include "X86GenRegisterNames.inc"
+/// createX86PadShortFunctions - Return a pass that pads short functions
+/// with NOOPs. This will prevent a stall when returning on the Atom.
+FunctionPass *createX86PadShortFunctions();
+/// createX86FixupLEAs - Return a 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 Atom processors.
+FunctionPass *createX86FixupLEAs();
-// Defines symbolic names for the X86 instructions.
-//
-#include "X86GenInstrNames.inc"
+} // End llvm namespace
#endif