llvm::SimplifyFortifiedLibCalls Class Reference

#include <BuildLibCalls.h>

Collaboration diagram for llvm::SimplifyFortifiedLibCalls:

Public Member Functions
virtual	~SimplifyFortifiedLibCalls ()
bool	fold (CallInst *CI, const DataLayout *TD, const TargetLibraryInfo *TLI)

Protected Member Functions
virtual void	replaceCall (Value *With)=0
virtual bool	isFoldable (unsigned SizeCIOp, unsigned SizeArgOp, bool isString) const =0

Protected Attributes
CallInst *	CI

Detailed Description

SimplifyFortifiedLibCalls - Helper class for folding checked library calls (e.g. __strcpy_chk) into their unchecked counterparts.

Definition at line 113 of file BuildLibCalls.h.

Constructor & Destructor Documentation

SimplifyFortifiedLibCalls::~SimplifyFortifiedLibCalls ( )

virtual

Definition at line 467 of file BuildLibCalls.cpp.

Member Function Documentation

bool SimplifyFortifiedLibCalls::fold	(	CallInst *	CI,
		const DataLayout *	TD,
		const TargetLibraryInfo *	TLI
	)

Definition at line 469 of file BuildLibCalls.cpp.

References CI, llvm::IRBuilder< preserveNames, T, Inserter >::CreateIntCast(), llvm::IRBuilderBase::CreateMemCpy(), llvm::IRBuilderBase::CreateMemMove(), llvm::IRBuilderBase::CreateMemSet(), llvm::EmitStrCpy(), llvm::EmitStrNCpy(), llvm::CallInst::getArgOperand(), llvm::CallInst::getCalledFunction(), llvm::BasicBlock::getContext(), llvm::Function::getFunctionType(), llvm::Type::getInt8PtrTy(), llvm::IRBuilderBase::getInt8Ty(), llvm::DataLayout::getIntPtrType(), llvm::Value::getName(), llvm::FunctionType::getNumParams(), llvm::FunctionType::getParamType(), llvm::Instruction::getParent(), llvm::FunctionType::getReturnType(), isFoldable(), llvm::Type::isIntegerTy(), llvm::Type::isPointerTy(), replaceCall(), llvm::AArch64ISD::Ret, llvm::StringRef::substr(), and TD.

virtual bool llvm::SimplifyFortifiedLibCalls::isFoldable ( unsigned  SizeCIOp, unsigned  SizeArgOp, bool  isString  ) const

protectedpure virtual

Referenced by fold().

virtual void llvm::SimplifyFortifiedLibCalls::replaceCall ( Value *  With )

protectedpure virtual

Referenced by fold().

Member Data Documentation

CallInst* llvm::SimplifyFortifiedLibCalls::CI

protected

Definition at line 115 of file BuildLibCalls.h.

Referenced by fold().

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

• BuildLibCalls.h
• BuildLibCalls.cpp