BasicBlockUtils.cpp File Reference

#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/CFG.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/MemoryDependenceAnalysis.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/ValueHandle.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils/Local.h"
#include <algorithm>

Include dependency graph for BasicBlockUtils.cpp:

Go to the source code of this file.

Functions
static void	UpdateAnalysisInformation (BasicBlock *OldBB, BasicBlock *NewBB, ArrayRef< BasicBlock * > Preds, Pass *P, bool &HasLoopExit)
static void	UpdatePHINodes (BasicBlock *OrigBB, BasicBlock *NewBB, ArrayRef< BasicBlock * > Preds, BranchInst *BI, Pass *P, bool HasLoopExit)

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Function Documentation

static void UpdateAnalysisInformation	(	BasicBlock *	OldBB,
		BasicBlock *	NewBB,
		ArrayRef< BasicBlock * >	Preds,
		Pass *	P,
		bool &	HasLoopExit
	)		[static]

UpdateAnalysisInformation - Update DominatorTree, LoopInfo, and LCCSA analysis information.

Definition at line 307 of file BasicBlockUtils.cpp.

References llvm::LoopBase< BlockT, LoopT >::addBasicBlockToLoop(), llvm::ArrayRef< T >::begin(), llvm::ArrayRef< T >::end(), llvm::Pass::getAnalysisIfAvailable(), llvm::LoopInfo::getBase(), llvm::LoopBase< BlockT, LoopT >::getLoopDepth(), llvm::LoopInfo::getLoopFor(), llvm::LCSSAID, LI, llvm::Pass::mustPreserveAnalysisID(), and llvm::AArch64CC::PL.

Referenced by llvm::SplitBlockPredecessors(), and llvm::SplitLandingPadPredecessors().

static void UpdatePHINodes	(	BasicBlock *	OrigBB,
		BasicBlock *	NewBB,
		ArrayRef< BasicBlock * >	Preds,
		BranchInst *	BI,
		Pass *	P,
		bool	HasLoopExit
	)		[static]

UpdatePHINodes - Update the PHI nodes in OrigBB to include the values coming from NewBB. This also updates AliasAnalysis, if available.

Definition at line 383 of file BasicBlockUtils.cpp.

References llvm::PHINode::addIncoming(), llvm::ArrayRef< T >::begin(), llvm::BasicBlock::begin(), llvm::AliasAnalysis::copyValue(), llvm::PHINode::Create(), llvm::ArrayRef< T >::end(), llvm::Pass::getAnalysisIfAvailable(), llvm::PHINode::getIncomingBlock(), llvm::PHINode::getIncomingValue(), llvm::PHINode::getIncomingValueForBlock(), llvm::Value::getName(), llvm::PHINode::getNumIncomingValues(), llvm::Value::getType(), I, llvm::PHINode::removeIncomingValue(), and llvm::ArrayRef< T >::size().

Referenced by llvm::SplitBlockPredecessors(), and llvm::SplitLandingPadPredecessors().