X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FX86%2FX86.h;h=8bd5817e528f54dad8214abb2f3f25466ae14839;hb=c31aaa5a3fcef2851898fb30c61c16a70564079a;hp=e39551b9943b4f30f295f97ca7436001817ae0c4;hpb=457624792803e26136889b8cf17e8aa7b84e58b4;p=oota-llvm.git diff --git a/lib/Target/X86/X86.h b/lib/Target/X86/X86.h index e39551b9943..8bd5817e528 100644 --- a/lib/Target/X86/X86.h +++ b/lib/Target/X86/X86.h @@ -12,45 +12,42 @@ // //===----------------------------------------------------------------------===// -#ifndef TARGET_X86_H -#define TARGET_X86_H +#ifndef LLVM_LIB_TARGET_X86_X86_H +#define LLVM_LIB_TARGET_X86_X86_H -#include "llvm/Target/TargetMachine.h" +#include "llvm/Support/CodeGen.h" namespace llvm { -class X86TargetMachine; class FunctionPass; -class MachineCodeEmitter; -class MCCodeEmitter; -class JITCodeEmitter; -class Target; -class formatted_raw_ostream; +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, 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 /// floating point stack references and physical instructions. /// FunctionPass *createX86FloatingPointStackifierPass(); -/// createX87FPRegKillInserterPass - This function returns a pass which -/// inserts FP_REG_KILL instructions where needed. -/// -FunctionPass *createX87FPRegKillInserterPass(); - -/// createX86CodeEmitterPass - Return a pass that emits the collected X86 code -/// to the specified MCE object. -FunctionPass *createX86JITCodeEmitterPass(X86TargetMachine &TM, - JITCodeEmitter &JCE); - -MCCodeEmitter *createHeinousX86MCCodeEmitter(const Target &, TargetMachine &TM); -MCCodeEmitter *createX86MCCodeEmitter(const Target &, 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 @@ -58,17 +55,18 @@ MCCodeEmitter *createX86MCCodeEmitter(const Target &, TargetMachine &TM); /// FunctionPass *createEmitX86CodeToMemory(); -extern Target TheX86_32Target, TheX86_64Target; - -} // 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