Revert "[X86] Fix a variable name for r237977 so that it works with every compilers."

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

diff --git a/lib/Target/X86/X86.h b/lib/Target/X86/X86.h
index e6deda620e24384ebdad7e8969c8e6e931e06e63..62c65bacef51793a174d27a1af5c69b827023d4a 100644 (file)
--- a/lib/Target/X86/X86.h
+++ b/lib/Target/X86/X86.h
@@ -2,8 +2,8 @@
 //
 //                     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.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -12,23 +12,31 @@
 //
 //===----------------------------------------------------------------------===//
 
-#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 X86TargetMachine;
-class PassManager;
 class FunctionPass;
-class IntrinsicLowering;
-class MachineCodeEmitter;
+class ImmutablePass;
+class X86TargetMachine;
 
-/// 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(X86TargetMachine &TM);
+FunctionPass *createX86ISelDag(X86TargetMachine &TM,
+                               CodeGenOpt::Level OptLevel);
+
+/// 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
@@ -36,22 +44,10 @@ FunctionPass *createX86ISelDag(X86TargetMachine &TM);
 ///
 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, X86TargetMachine &tm);
-
-/// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
-/// to the specified MCE object.
-FunctionPass *createX86CodeEmitterPass(X86TargetMachine &TM,
-                                       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, X86TargetMachine &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
@@ -59,15 +55,26 @@ void addX86ELFObjectWriterPass(PassManager &FPM,
 ///
 FunctionPass *createEmitX86CodeToMemory();
 
-} // End llvm namespace
+/// 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 X86 registers.  This defines a mapping from
-// register name to register number.
-//
-#include "X86GenRegisterNames.inc"
+/// 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();
 
-// Defines symbolic names for the X86 instructions.
-//
-#include "X86GenInstrNames.inc"
+/// 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();
+
+} // End llvm namespace
 
 #endif