MemorySSAUpdater.cpp File Reference

#include "llvm/Analysis/MemorySSAUpdater.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/Analysis/IteratedDominanceFrontier.h"
#include "llvm/Analysis/LoopIterator.h"
#include "llvm/Analysis/MemorySSA.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Dominators.h"
#include "llvm/Support/Debug.h"
#include <algorithm>

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "memoryssa"

Functions
static void	setMemoryPhiValueForBlock (MemoryPhi *MP, const BasicBlock *BB, MemoryAccess *NewDef)
static MemoryAccess *	onlySingleValue (MemoryPhi *MP)
	If all arguments of a MemoryPHI are defined by the same incoming argument, return that argument.
static MemoryAccess *	getNewDefiningAccessForClone (MemoryAccess *MA, const ValueToValueMapTy &VMap, PhiToDefMap &MPhiMap, MemorySSA *MSSA)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "memoryssa"

Definition at line 24 of file MemorySSAUpdater.cpp.

Function Documentation

getNewDefiningAccessForClone()

static MemoryAccess * getNewDefiningAccessForClone ( MemoryAccess *  MA, const ValueToValueMapTy &  VMap, PhiToDefMap &  MPhiMap, MemorySSA *  MSSA  )

static

Definition at line 568 of file MemorySSAUpdater.cpp.

References assert(), llvm::MemorySSA::getMemoryAccess(), getNewDefiningAccessForClone(), llvm::MemorySSA::isLiveOnEntryDef(), llvm::ValueMap< KeyT, ValueT, Config >::lookup(), and llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::lookup().

Referenced by getNewDefiningAccessForClone(), and llvm::MemorySSAUpdater::updateForClonedLoop().

onlySingleValue()

static MemoryAccess * onlySingleValue ( MemoryPhi *  MP )

static

If all arguments of a MemoryPHI are defined by the same incoming argument, return that argument.

Definition at line 556 of file MemorySSAUpdater.cpp.

References llvm::User::operands().

Referenced by llvm::MemorySSAUpdater::removeMemoryAccess(), and llvm::MemorySSAUpdater::updateForClonedLoop().

setMemoryPhiValueForBlock()

static void setMemoryPhiValueForBlock ( MemoryPhi *  MP, const BasicBlock *  BB, MemoryAccess *  NewDef  )

static

Definition at line 285 of file MemorySSAUpdater.cpp.

References assert(), llvm::MemoryPhi::blocks(), llvm::drop_begin(), llvm::MemoryPhi::getBasicBlockIndex(), and llvm::MemoryPhi::setIncomingValue().