MVEVPTBlockPass.cpp File Reference

#include "ARM.h"
#include "ARMMachineFunctionInfo.h"
#include "ARMSubtarget.h"
#include "Thumb2InstrInfo.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineInstrBundle.h"
#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/IR/DebugLoc.h"
#include "llvm/Support/Debug.h"
#include <cassert>
#include <new>

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "arm-mve-vpt"

Functions
static MachineInstr *	findVCMPToFoldIntoVPST (MachineBasicBlock::iterator MI, const TargetRegisterInfo *TRI, unsigned &NewOpcode)
static bool	StepOverPredicatedInstrs (MachineBasicBlock::instr_iterator &Iter, MachineBasicBlock::instr_iterator EndIter, unsigned MaxSteps, unsigned &NumInstrsSteppedOver)
static bool	IsVPRDefinedOrKilledByBlock (MachineBasicBlock::iterator Iter, MachineBasicBlock::iterator End)
static ARM::PredBlockMask	GetInitialBlockMask (unsigned BlockSize)
static ARM::PredBlockMask	CreateVPTBlock (MachineBasicBlock::instr_iterator &Iter, MachineBasicBlock::instr_iterator EndIter, SmallVectorImpl< MachineInstr * > &DeadInstructions)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "arm-mve-vpt"

Definition at line 30 of file MVEVPTBlockPass.cpp.

Function Documentation

CreateVPTBlock()

ARM::PredBlockMask CreateVPTBlock ( MachineBasicBlock::instr_iterator & Iter, MachineBasicBlock::instr_iterator EndIter, SmallVectorImpl< MachineInstr * > & DeadInstructions )

static

Definition at line 159 of file MVEVPTBlockPass.cpp.

References assert(), BlockSize, llvm::dbgs(), llvm::ARMVCC::Else, llvm::expandPredBlockMask(), llvm::findFirstVPTPredOperandIdx(), GetInitialBlockMask(), llvm::getVPTInstrPredicate(), IsVPRDefinedOrKilledByBlock(), LLVM_DEBUG, OpIdx, llvm::SmallVectorTemplateBase< T, bool >::push_back(), StepOverPredicatedInstrs(), and llvm::ARMVCC::Then.

findVCMPToFoldIntoVPST()

MachineInstr * findVCMPToFoldIntoVPST ( MachineBasicBlock::iterator MI, const TargetRegisterInfo * TRI, unsigned & NewOpcode )

static

Definition at line 61 of file MVEVPTBlockPass.cpp.

References const, findVCMPToFoldIntoVPST(), if(), MI, llvm::registerDefinedBetween(), TRI, and llvm::VCMPOpcodeToVPT().

Referenced by findVCMPToFoldIntoVPST().

GetInitialBlockMask()

ARM::PredBlockMask GetInitialBlockMask ( unsigned BlockSize )

static

Definition at line 137 of file MVEVPTBlockPass.cpp.

References BlockSize, llvm_unreachable, llvm::ARM::T, llvm::ARM::TT, llvm::ARM::TTT, and llvm::ARM::TTTT.

Referenced by CreateVPTBlock().

IsVPRDefinedOrKilledByBlock()

bool IsVPRDefinedOrKilledByBlock ( MachineBasicBlock::iterator Iter, MachineBasicBlock::iterator End )

static

Definition at line 127 of file MVEVPTBlockPass.cpp.

Referenced by CreateVPTBlock().

StepOverPredicatedInstrs()

bool StepOverPredicatedInstrs ( MachineBasicBlock::instr_iterator & Iter, MachineBasicBlock::instr_iterator EndIter, unsigned MaxSteps, unsigned & NumInstrsSteppedOver )

static

Definition at line 96 of file MVEVPTBlockPass.cpp.

References assert(), llvm::ARMVCC::Else, llvm::getVPTInstrPredicate(), MaxSteps, and llvm::ARMVCC::None.

Referenced by CreateVPTBlock().