//===-- X86.h - Top-level interface for X86 representation ------*- C++ -*-===//
//
+// The LLVM Compiler Infrastructure
+//
+// 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
// target library, as used by the LLVM JIT.
//
#ifndef TARGET_X86_H
#define TARGET_X86_H
-#include <iosfwd>
-class TargetMachine;
-class Pass;
+#include "MCTargetDesc/X86BaseInfo.h"
+#include "MCTargetDesc/X86MCTargetDesc.h"
+#include "llvm/Support/DataTypes.h"
+#include "llvm/Target/TargetMachine.h"
-/// 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);
+namespace llvm {
+
+class FunctionPass;
+class JITCodeEmitter;
+class X86TargetMachine;
-/// createX86PeepholeOptimizer - Create a pass to perform X86 specific peephole
-/// optimizations.
+/// createX86ISelDag - This pass converts a legalized DAG into a
+/// X86-specific DAG, ready for instruction scheduling.
///
-Pass *createX86PeepholeOptimizerPass();
+FunctionPass *createX86ISelDag(X86TargetMachine &TM,
+ CodeGenOpt::Level OptLevel);
+
+/// createGlobalBaseRegPass - This pass initializes a global base
+/// register for PIC on x86-32.
+FunctionPass* createGlobalBaseRegPass();
+
+/// 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
/// floating point stack references and physical instructions.
///
-Pass *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 *createX86FloatingPointStackifierPass();
-/// 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.
-///
-Pass *createEmitX86CodeToMemory();
+/// createX86IssueVZeroUpperPass - 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 X86 registers. This defines a mapping from
-// register name to register number.
-//
-#include "X86GenRegisterNames.inc"
+/// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
+/// to the specified MCE object.
+FunctionPass *createX86JITCodeEmitterPass(X86TargetMachine &TM,
+ JITCodeEmitter &JCE);
-/// X86 namespace - This namespace contains all of the register and opcode enums
-/// used by the X86 backend.
+/// createX86EmitCodeToMemory - Returns a pass that converts a register
+/// allocated function into raw machine code in a dynamically
+/// allocated chunk of memory.
///
-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"
- };
-}
+FunctionPass *createEmitX86CodeToMemory();
+
+} // End llvm namespace
#endif