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/MachinePostDominators.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/DebugInfoMetadata.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 45 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);                       \
  }()

Definition at line 1140 of file MachineBasicBlock.cpp.

Function Documentation

findJumpTableIndex()

static int findJumpTableIndex ( const MachineBasicBlock &  MBB )

static

Definition at line 684 of file MachineBasicBlock.cpp.

References llvm::MachineBasicBlock::end(), llvm::MachineBasicBlock::getFirstTerminator(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MachineBasicBlock::getParent(), llvm::MachineFunction::getSubtarget(), MBB, and TII.

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

jumpTableHasOtherUses()

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

static

Definition at line 1068 of file MachineBasicBlock.cpp.

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

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

unbundleSingleMI()

static 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 1431 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().