MachineBasicBlock.cpp File Reference

#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/CodeGen/LiveIntervals.h"
#include "llvm/CodeGen/LivePhysRegs.h"
#include "llvm/CodeGen/LiveVariables.h"
#include "llvm/CodeGen/MachineDomTreeUpdater.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/SlotIndexes.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/ModuleSlotTracker.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetMachine.h"
#include <algorithm>
#include <cmath>

Go to the source code of this file.

Classes
class	SlotIndexUpdateDelegate

Macros
#define	DEBUG_TYPE   "codegen"
#define	GET_RESULT(RESULT, GETTER, INFIX)

Functions
static int	findJumpTableIndex (const MachineBasicBlock &MBB)
static bool	jumpTableHasOtherUses (const MachineFunction &MF, const MachineBasicBlock &IgnoreMBB, int JumpTableIndex)
static void	unbundleSingleMI (MachineInstr *MI)
	Prepare MI to be removed from its bundle.

Variables
static cl::opt< bool >	PrintSlotIndexes ("print-slotindexes", cl::desc("When printing machine IR, annotate instructions and blocks with " "SlotIndexes when available"), cl::init(true), cl::Hidden)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "codegen"

Definition at line 43 of file MachineBasicBlock.cpp.

GET_RESULT

#define GET_RESULT	(		RESULT,
			GETTER,
			INFIX )

Value:

  [MF, P, MFAM]() {                                                            \
    if (P) {                                                                   \
      auto *Wrapper = P->getAnalysisIfAvailable<RESULT##INFIX##WrapperPass>(); \
      return Wrapper ? &Wrapper->GETTER() : nullptr;                           \
    }                                                                          \
    return MFAM->getCachedResult<RESULT##Analysis>(*MF);                       \
  }()

Referenced by llvm::MachineBasicBlock::SplitCriticalEdge().

Function Documentation

findJumpTableIndex()

int findJumpTableIndex ( const MachineBasicBlock & MBB )

static

Definition at line 709 of file MachineBasicBlock.cpp.

References MBB, and TII.

Referenced by llvm::MachineBasicBlock::canSplitCriticalEdge(), jumpTableHasOtherUses(), and llvm::MachineBasicBlock::SplitCriticalEdge().

jumpTableHasOtherUses()

bool jumpTableHasOtherUses ( const MachineFunction & MF, const MachineBasicBlock & IgnoreMBB, int JumpTableIndex )

static

Definition at line 1093 of file MachineBasicBlock.cpp.

References assert(), B(), Cond, findJumpTableIndex(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MachineFunction::getJumpTableInfo(), llvm::MachineJumpTableInfo::getJumpTables(), llvm::MachineFunction::getSubtarget(), MBB, llvm::MachineJumpTableEntry::MBBs, and TII.

Referenced by llvm::MachineBasicBlock::canSplitCriticalEdge().

unbundleSingleMI()

void unbundleSingleMI ( MachineInstr * MI )

static

Prepare MI to be removed from its bundle.

This fixes bundle flags on MI's neighboring instructions so the bundle won't be broken by removing MI.

Definition at line 1474 of file MachineBasicBlock.cpp.

References MI.

Referenced by llvm::MachineBasicBlock::erase(), and llvm::MachineBasicBlock::remove_instr().

Variable Documentation

PrintSlotIndexes

cl::opt< bool > PrintSlotIndexes("print-slotindexes", cl::desc("When printing machine IR, annotate instructions and blocks with " "SlotIndexes when available"), cl::init(true), cl::Hidden) ( "print-slotindexes" , cl::desc("When printing machine IR, annotate instructions and blocks with " "SlotIndexes when available") , cl::init(true) , cl::Hidden  )

static

Referenced by llvm::MachineBasicBlock::print().