X86RegisterInfo.cpp File Reference

#include "X86RegisterInfo.h"
#include "X86FrameLowering.h"
#include "X86MachineFunctionInfo.h"
#include "X86Subtarget.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/CodeGen/LiveRegMatrix.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/TargetFrameLowering.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/CodeGen/TileShapeInfo.h"
#include "llvm/CodeGen/VirtRegMap.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Type.h"
#include "llvm/MC/MCContext.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
#include "X86GenRegisterInfo.inc"

Go to the source code of this file.

Macros
#define	GET_REGINFO_TARGET_DESC
#define	DEBUG_TYPE   "tile-hint"

Functions
static bool	CantUseSP (const MachineFrameInfo &MFI)
static bool	tryOptimizeLEAtoMOV (MachineBasicBlock::iterator II)
static bool	isFuncletReturnInstr (MachineInstr &MI)
static ShapeT	getTileShape (Register VirtReg, VirtRegMap *VRM, const MachineRegisterInfo *MRI)
static bool	canHintShape (ShapeT &PhysShape, ShapeT &VirtShape)

Variables
static cl::opt< bool >	EnableBasePointer ("x86-use-base-pointer", cl::Hidden, cl::init(true), cl::desc("Enable use of a base pointer for complex stack frames"))
static cl::opt< bool >	DisableRegAllocNDDHints ("x86-disable-regalloc-hints-for-ndd", cl::Hidden, cl::init(false), cl::desc("Disable two address hints for register " "allocation"))

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "tile-hint"

GET_REGINFO_TARGET_DESC

#define GET_REGINFO_TARGET_DESC

Definition at line 40 of file X86RegisterInfo.cpp.

Function Documentation

canHintShape()

static bool canHintShape ( ShapeT &  PhysShape, ShapeT &  VirtShape  )

static

Definition at line 1124 of file X86RegisterInfo.cpp.

References llvm::ShapeT::getCol(), llvm::ShapeT::getRow(), llvm::ShapeT::getShapeNum(), and I.

Referenced by llvm::X86RegisterInfo::getRegAllocationHints().

CantUseSP()

static bool CantUseSP ( const MachineFrameInfo &  MFI )

static

Definition at line 770 of file X86RegisterInfo.cpp.

References llvm::MachineFrameInfo::hasOpaqueSPAdjustment(), and llvm::MachineFrameInfo::hasVarSizedObjects().

getTileShape()

static ShapeT getTileShape ( Register  VirtReg, VirtRegMap *  VRM, const MachineRegisterInfo *  MRI  )

static

Definition at line 1055 of file X86RegisterInfo.cpp.

References llvm::VirtRegMap::assignVirt2Shape(), llvm::VirtRegMap::getShape(), getTileShape(), llvm::VirtRegMap::hasShape(), llvm_unreachable, MI, and MRI.

Referenced by llvm::X86RegisterInfo::getRegAllocationHints(), and getTileShape().

isFuncletReturnInstr()

static bool isFuncletReturnInstr ( MachineInstr &  MI )

static

Definition at line 853 of file X86RegisterInfo.cpp.

References llvm_unreachable, and MI.

tryOptimizeLEAtoMOV()

static bool tryOptimizeLEAtoMOV ( MachineBasicBlock::iterator  II )

static

Definition at line 828 of file X86RegisterInfo.cpp.

References llvm::HexagonInstrInfo::copyPhysReg(), llvm::getX86SubSuperRegister(), II, MI, and TII.

Referenced by llvm::X86RegisterInfo::eliminateFrameIndex().

Variable Documentation

DisableRegAllocNDDHints

cl::opt< bool > DisableRegAllocNDDHints("x86-disable-regalloc-hints-for-ndd", cl::Hidden, cl::init(false), cl::desc("Disable two address hints for register " "allocation")) ( "x86-disable-regalloc-hints-for-ndd"  , cl::Hidden  , cl::init(false)  , cl::desc("Disable two address hints for register " "allocation")    )

static

Referenced by llvm::X86RegisterInfo::getRegAllocationHints().

EnableBasePointer

cl::opt< bool > EnableBasePointer("x86-use-base-pointer", cl::Hidden, cl::init(true), cl::desc("Enable use of a base pointer for complex stack frames")) ( "x86-use-base-pointer"  , cl::Hidden  , cl::init(true)  , cl::desc("Enable use of a base pointer for complex stack frames")    )

static