X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FX86%2FX86.h;h=8bd5817e528f54dad8214abb2f3f25466ae14839;hb=c31aaa5a3fcef2851898fb30c61c16a70564079a;hp=d1e193304a5b6c347adf3bc0f77e22f3a7298025;hpb=54134708f5debe1631f9ea9b232f78758a2151e4;p=oota-llvm.git diff --git a/lib/Target/X86/X86.h b/lib/Target/X86/X86.h index d1e193304a5..8bd5817e528 100644 --- a/lib/Target/X86/X86.h +++ b/lib/Target/X86/X86.h @@ -12,31 +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 "MCTargetDesc/X86BaseInfo.h" -#include "MCTargetDesc/X86MCTargetDesc.h" -#include "llvm/Support/DataTypes.h" -#include "llvm/Target/TargetMachine.h" +#include "llvm/Support/CodeGen.h" namespace llvm { class FunctionPass; -class JITCodeEmitter; -class MachineCodeEmitter; -class Target; +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); -/// createGlobalBaseRegPass - This pass initializes a global base +/// createX86GlobalBaseRegPass - This pass initializes a global base /// register for PIC on x86-32. -FunctionPass* createGlobalBaseRegPass(); +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 @@ -44,14 +44,10 @@ FunctionPass* createGlobalBaseRegPass(); /// FunctionPass *createX86FloatingPointStackifierPass(); -/// createSSEDomainFixPass - This pass twiddles SSE opcodes to prevent domain -/// crossings. -FunctionPass *createSSEDomainFixPass(); - -/// createX86CodeEmitterPass - Return a pass that emits the collected X86 code -/// to the specified MCE object. -FunctionPass *createX86JITCodeEmitterPass(X86TargetMachine &TM, - JITCodeEmitter &JCE); +/// 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 @@ -59,11 +55,17 @@ FunctionPass *createX86JITCodeEmitterPass(X86TargetMachine &TM, /// FunctionPass *createEmitX86CodeToMemory(); -/// createX86MaxStackAlignmentHeuristicPass - This function returns a pass -/// which determines whether the frame pointer register should be -/// reserved in case dynamic stack alignment is later required. -/// -FunctionPass *createX86MaxStackAlignmentHeuristicPass(); +/// \brief Creates an X86-specific Target Transformation Info pass. +ImmutablePass *createX86TargetTransformInfoPass(const X86TargetMachine *TM); + +/// 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(); } // End llvm namespace