llvm::MemorySSA::ClobberWalkerBase Class Reference

Public Member Functions
	ClobberWalkerBase (MemorySSA *M, DominatorTree *D)
MemoryAccess *	getClobberingMemoryAccessBase (MemoryAccess *, const MemoryLocation &, BatchAAResults &, unsigned &)
	Walk the use-def chains starting at StartingAccess and find the MemoryAccess that actually clobbers Loc.
MemoryAccess *	getClobberingMemoryAccessBase (MemoryAccess *, BatchAAResults &, unsigned &, bool, bool UseInvariantGroup=true)

Detailed Description

Definition at line 988 of file MemorySSA.cpp.

Constructor & Destructor Documentation

ClobberWalkerBase()

llvm::MemorySSA::ClobberWalkerBase::ClobberWalkerBase ( MemorySSA *  M, DominatorTree *  D  )

inline

Definition at line 993 of file MemorySSA.cpp.

Member Function Documentation

getClobberingMemoryAccessBase() [1/2]

MemoryAccess * MemorySSA::ClobberWalkerBase::getClobberingMemoryAccessBase	(	MemoryAccess *	MA,
		BatchAAResults &	BAA,
		unsigned &	UpwardWalkLimit,
		bool	SkipSelf,
		bool	UseInvariantGroup = true
	)

Definition at line 2529 of file MemorySSA.cpp.

References assert(), llvm::dbgs(), llvm::MemorySSA::getDomTree(), getInvariantGroupClobberingInstruction(), llvm::MemorySSA::getLiveOnEntryDef(), llvm::MemorySSA::getMemoryAccess(), I, llvm::MemorySSA::isLiveOnEntryDef(), isUseTriviallyOptimizableToLiveOnEntry(), and LLVM_DEBUG.

getClobberingMemoryAccessBase() [2/2]

MemoryAccess * MemorySSA::ClobberWalkerBase::getClobberingMemoryAccessBase	(	MemoryAccess *	StartingAccess,
		const MemoryLocation &	Loc,
		BatchAAResults &	BAA,
		unsigned &	UpwardWalkLimit
	)

Walk the use-def chains starting at StartingAccess and find the MemoryAccess that actually clobbers Loc.

Returns

our clobbering memory access

Definition at line 2451 of file MemorySSA.cpp.

References assert(), llvm::dbgs(), I, llvm::MemorySSA::isLiveOnEntryDef(), LLVM_DEBUG, and llvm::MemoryLocation::Ptr.

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The documentation for this class was generated from the following file:

• lib/Analysis/MemorySSA.cpp