AArch64A53Fix835769.cpp File Reference

#include "AArch64.h"
#include "AArch64Subtarget.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "aarch64-fix-cortex-a53-835769"

Functions
	STATISTIC (NumNopsAdded, "Number of Nops added to work around erratum 835769")
static bool	isFirstInstructionInSequence (MachineInstr *MI)
static bool	isSecondInstructionInSequence (MachineInstr *MI)
	INITIALIZE_PASS (AArch64A53Fix835769, "aarch64-fix-cortex-a53-835769-pass", "AArch64 fix for A53 erratum 835769", false, false) bool AArch64A53Fix835769
static MachineBasicBlock *	getBBFallenThrough (MachineBasicBlock *MBB, const TargetInstrInfo *TII)
static MachineInstr *	getLastNonPseudo (MachineBasicBlock &MBB, const TargetInstrInfo *TII)
static void	insertNopBeforeInstruction (MachineBasicBlock &MBB, MachineInstr *MI, const TargetInstrInfo *TII)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "aarch64-fix-cortex-a53-835769"

Definition at line 30 of file AArch64A53Fix835769.cpp.

Function Documentation

getBBFallenThrough()

static MachineBasicBlock * getBBFallenThrough ( MachineBasicBlock *  MBB, const TargetInstrInfo *  TII  )

static

Definition at line 135 of file AArch64A53Fix835769.cpp.

References llvm::HexagonInstrInfo::analyzeBranch(), llvm::MachineFunction::begin(), Cond, llvm::MachineBasicBlock::getParent(), MBB, MBBI, llvm::MachineBasicBlock::predecessors(), TBB, and TII.

Referenced by getLastNonPseudo().

getLastNonPseudo()

static MachineInstr * getLastNonPseudo ( MachineBasicBlock &  MBB, const TargetInstrInfo *  TII  )

static

Definition at line 160 of file AArch64A53Fix835769.cpp.

References getBBFallenThrough(), I, MBB, llvm::reverse(), and TII.

Referenced by insertNopBeforeInstruction().

INITIALIZE_PASS()

INITIALIZE_PASS	(	AArch64A53Fix835769	,
		"aarch64-fix-cortex-a53-835769-pass"	,
		"AArch64 fix for A53 erratum 835769"	,
		false	,
		false
	)

Definition at line 111 of file AArch64A53Fix835769.cpp.

References llvm::dbgs(), F, LLVM_DEBUG, MBB, runOnBasicBlock(), and TII.

insertNopBeforeInstruction()

static void insertNopBeforeInstruction ( MachineBasicBlock &  MBB, MachineInstr *  MI, const TargetInstrInfo *  TII  )

static

Definition at line 176 of file AArch64A53Fix835769.cpp.

References llvm::MachineInstrBuilder::addImm(), assert(), llvm::BuildMI(), DL, llvm::MachineBasicBlock::front(), getLastNonPseudo(), I, MBB, MI, and TII.

isFirstInstructionInSequence()

static bool isFirstInstructionInSequence ( MachineInstr *  MI )

static

Definition at line 39 of file AArch64A53Fix835769.cpp.

References MI.

isSecondInstructionInSequence()

static bool isSecondInstructionInSequence ( MachineInstr *  MI )

static

Definition at line 55 of file AArch64A53Fix835769.cpp.

References MI.

STATISTIC()

STATISTIC	(	NumNopsAdded	,
		"Number of Nops added to work around erratum 835769"
	)