X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FX86%2FX86.h;h=d5522ed95eb472d5ae38a3b0603747877a86481d;hb=aa5b9c0f6f3a99f955fe0ded13d61d7eb4e1a0b5;hp=ead4ce1f3f8b9e7f7e3d6934089a51ea991bfe48;hpb=71847813bc419f7a0667468136a07429c6d9f164;p=oota-llvm.git diff --git a/lib/Target/X86/X86.h b/lib/Target/X86/X86.h index ead4ce1f3f8..d5522ed95eb 100644 --- a/lib/Target/X86/X86.h +++ b/lib/Target/X86/X86.h @@ -15,50 +15,49 @@ #ifndef TARGET_X86_H #define TARGET_X86_H -#include "llvm/Target/TargetMachine.h" +#include "llvm/Support/CodeGen.h" namespace llvm { -class X86TargetMachine; class FunctionPass; -class MachineCodeEmitter; +class ImmutablePass; class JITCodeEmitter; -class formatted_raw_ostream; +class X86TargetMachine; -/// createX86ISelDag - This pass converts a legalized DAG into a +/// createX86AtomicExpandPass - This pass expands atomic operations that cannot +/// be handled natively in terms of a loop using cmpxchg. +FunctionPass *createX86AtomicExpandPass(const X86TargetMachine *TM); + +/// 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(); - -/// 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(formatted_raw_ostream &o, - X86TargetMachine &tm, - bool Verbose); +/// createX86IssueVZeroUpperPass - This pass inserts AVX vzeroupper instructions +/// before each call to avoid transition penalty between functions encoded with +/// AVX and SSE. +FunctionPass *createX86IssueVZeroUpperPass(); /// createX86CodeEmitterPass - Return a pass that emits the collected X86 code /// to the specified MCE object. - -FunctionPass *createX86CodeEmitterPass(X86TargetMachine &TM, - MachineCodeEmitter &MCE); FunctionPass *createX86JITCodeEmitterPass(X86TargetMachine &TM, JITCodeEmitter &JCE); -FunctionPass *createX86ObjectCodeEmitterPass(X86TargetMachine &TM, - ObjectCodeEmitter &OCE); /// createX86EmitCodeToMemory - Returns a pass that converts a register /// allocated function into raw machine code in a dynamically @@ -66,20 +65,18 @@ FunctionPass *createX86ObjectCodeEmitterPass(X86TargetMachine &TM, /// FunctionPass *createEmitX86CodeToMemory(); -/// createX86MaxStackAlignmentCalculatorPass - This function returns a pass -/// which calculates maximal stack alignment required for function -/// -FunctionPass *createX86MaxStackAlignmentCalculatorPass(); +/// \brief Creates an X86-specific Target Transformation Info pass. +ImmutablePass *createX86TargetTransformInfoPass(const X86TargetMachine *TM); -} // 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" - -// Defines symbolic names for the X86 instructions. -// -#include "X86GenInstrNames.inc" +} // End llvm namespace #endif