//
// 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.
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
-#ifndef TARGET_X86_H
-#define TARGET_X86_H
+#ifndef LLVM_LIB_TARGET_X86_X86_H
+#define LLVM_LIB_TARGET_X86_X86_H
-#include <iosfwd>
+#include "llvm/Support/CodeGen.h"
namespace llvm {
-class TargetMachine;
-class PassManager;
class FunctionPass;
-class IntrinsicLowering;
-class MachineCodeEmitter;
+class ImmutablePass;
+class X86TargetMachine;
-enum X86VectorEnum {
- NoSSE, SSE, SSE2, SSE3
-};
-
-extern X86VectorEnum X86Vector;
-extern bool X86ScalarSSE;
-
-/// createX86ISelPattern - This pass converts an LLVM function into a
-/// machine code representation using pattern matching and a machine
-/// description file.
-///
-FunctionPass *createX86ISelPattern(TargetMachine &TM);
-
-/// createX86ISelDag - This pass converts a legalized DAG into a
+/// createX86ISelDag - This pass converts a legalized DAG into a
/// X86-specific DAG, ready for instruction scheduling.
///
-FunctionPass *createX86ISelDag(TargetMachine &TM);
+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();
+
+/// 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.
-///
-FunctionPass *createX86CodePrinterPass(std::ostream &o, TargetMachine &tm);
-
-/// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
-/// to the specified MCE object.
-FunctionPass *createX86CodeEmitterPass(MachineCodeEmitter &MCE);
-
-/// addX86ELFObjectWriterPass - Add passes to the FPM that output the generated
-/// code as an ELF object file.
-///
-void addX86ELFObjectWriterPass(PassManager &FPM,
- 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();
-
+/// createX86IssueVZeroUpperPass - This pass inserts AVX vzeroupper instructions
+/// before each call to avoid transition penalty between functions encoded with
+/// AVX and SSE.
+FunctionPass *createX86IssueVZeroUpperPass();
+
+/// 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();
+
+/// createX86CallFrameOptimization - Return a pass that optimizes
+/// the code-size of x86 call sequences. This is done by replacing
+/// esp-relative movs with pushes.
+FunctionPass *createX86CallFrameOptimization();
+
+/// createX86WinEHStatePass - 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
-// Defines symbolic names for X86 registers. This defines a mapping from
-// register name to register number.
-//
-#include "X86GenRegisterNames.inc"
-
-// Defines symbolic names for the X86 instructions.
-//
-#include "X86GenInstrNames.inc"
-
#endif