X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FX86%2FX86.h;h=8bd5817e528f54dad8214abb2f3f25466ae14839;hb=c31aaa5a3fcef2851898fb30c61c16a70564079a;hp=5cf897fa7156d0959188d6c981f2a5f0c061a97c;hpb=d0fde30ce850b78371fd1386338350591f9ff494;p=oota-llvm.git

diff --git a/lib/Target/X86/X86.h b/lib/Target/X86/X86.h
index 5cf897fa715..8bd5817e528 100644
--- a/lib/Target/X86/X86.h
+++ b/lib/Target/X86/X86.h
@@ -1,10 +1,10 @@
 //===-- 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
@@ -12,32 +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 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.
+/// createX86ISelDag - This pass converts a legalized DAG into a
+/// X86-specific DAG, ready for instruction scheduling.
 ///
-FunctionPass *createX86SimpleInstructionSelector(TargetMachine &TM);
+FunctionPass *createX86ISelDag(X86TargetMachine &TM,
+                               CodeGenOpt::Level OptLevel);
 
-/// createX86PatternInstructionSelector - This pass converts an LLVM function
-/// into a machine code representation using pattern matching and a machine
-/// description file.
-///
-FunctionPass *createX86PatternInstructionSelector(TargetMachine &TM);
+/// createX86GlobalBaseRegPass - This pass initializes a global base
+/// register for PIC on x86-32.
+FunctionPass* createX86GlobalBaseRegPass();
 
-/// createX86PeepholeOptimizer - Create a pass to perform X86 specific peephole
-/// optimizations.
-///
-FunctionPass *createX86PeepholeOptimizerPass();
+/// 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
@@ -45,12 +44,10 @@ FunctionPass *createX86PeepholeOptimizerPass();
 ///
 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
@@ -58,15 +55,18 @@ FunctionPass *createX86CodePrinterPass(std::ostream &o,TargetMachine &tm);
 ///
 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