X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FX86%2FX86.h;h=8bd5817e528f54dad8214abb2f3f25466ae14839;hb=c31aaa5a3fcef2851898fb30c61c16a70564079a;hp=7163d3461496030d6c6e3005bc7525f41892492d;hpb=56323c761a73c5b227dc89085e1350c43f7bfb2f;p=oota-llvm.git diff --git a/lib/Target/X86/X86.h b/lib/Target/X86/X86.h index 7163d346149..8bd5817e528 100644 --- 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. // //===----------------------------------------------------------------------===// // @@ -12,42 +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 +#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; -extern bool X86DAGIsel; - -/// 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 @@ -55,21 +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. -/// -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); +/// 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 @@ -77,15 +55,18 @@ void addX86ELFObjectWriterPass(PassManager &FPM, /// FunctionPass *createEmitX86CodeToMemory(); -} // End llvm namespace +/// \brief Creates an X86-specific Target Transformation Info pass. +ImmutablePass *createX86TargetTransformInfoPass(const X86TargetMachine *TM); -// Defines symbolic names for X86 registers. This defines a mapping from -// register name to register number. -// -#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