llvm::FunctionSpecializer Class Reference

#include "llvm/Transforms/IPO/FunctionSpecialization.h"

Public Member Functions
	FunctionSpecializer (SCCPSolver &Solver, Module &M, FunctionAnalysisManager *FAM, std::function< BlockFrequencyInfo &(Function &)> GetBFI, std::function< const TargetLibraryInfo &(Function &)> GetTLI, std::function< TargetTransformInfo &(Function &)> GetTTI, std::function< AssumptionCache &(Function &)> GetAC)
	~FunctionSpecializer ()
bool	isClonedFunction (Function *F)
bool	run ()
	Attempt to specialize functions in the module to enable constant propagation across function boundaries.
InstCostVisitor	getInstCostVisitorFor (Function *F)
Cost	getSpecializationBonus (Argument *A, Constant *C, InstCostVisitor &Visitor)
	Compute a bonus for replacing argument A with constant C.

Static Public Member Functions
static unsigned	getBlockFreqMultiplier ()

Detailed Description

Definition at line 155 of file FunctionSpecialization.h.

Constructor & Destructor Documentation

FunctionSpecializer()

llvm::FunctionSpecializer::FunctionSpecializer ( SCCPSolver &  Solver, Module &  M, FunctionAnalysisManager *  FAM, std::function< BlockFrequencyInfo &(Function &)>  GetBFI, std::function< const TargetLibraryInfo &(Function &)>  GetTLI, std::function< TargetTransformInfo &(Function &)>  GetTTI, std::function< AssumptionCache &(Function &)>  GetAC  )

inline

Definition at line 176 of file FunctionSpecialization.h.

References FAM.

~FunctionSpecializer()

FunctionSpecializer::~FunctionSpecializer

(

)

Definition at line 474 of file FunctionSpecialization.cpp.

References llvm::dbgs(), and LLVM_DEBUG.

Member Function Documentation

getBlockFreqMultiplier()

unsigned FunctionSpecializer::getBlockFreqMultiplier ( )

static

Definition at line 112 of file FunctionSpecialization.cpp.

References BlockFreqMultiplier.

getInstCostVisitorFor()

InstCostVisitor llvm::FunctionSpecializer::getInstCostVisitorFor ( Function *  F )

inline

Definition at line 193 of file FunctionSpecialization.h.

References F.

getSpecializationBonus()

Cost FunctionSpecializer::getSpecializationBonus	(	Argument *	A,
		Constant *	C,
		InstCostVisitor &	Visitor
	)

Compute a bonus for replacing argument A with constant C.

Definition at line 830 of file FunctionSpecialization.cpp.

References A, llvm::CallingConv::C, llvm::dbgs(), llvm::InlineCost::getCostDelta(), llvm::Function::getFunctionType(), llvm::getInlineCost(), llvm::getInlineParams(), llvm::InstCostVisitor::getUserBonus(), llvm::InlineConstants::IndirectCallThreshold, llvm::InlineCost::isAlways(), llvm::SCCPSolver::isBlockExecutable(), llvm::InlineCost::isVariable(), and LLVM_DEBUG.

isClonedFunction()

bool llvm::FunctionSpecializer::isClonedFunction ( Function *  F )

inline

Definition at line 187 of file FunctionSpecialization.h.

References F.

Referenced by runIPSCCP().

run()

bool FunctionSpecializer::run

(

)

Attempt to specialize functions in the module to enable constant propagation across function boundaries.

Returns

true if at least one function is specialized.

Definition at line 488 of file FunctionSpecialization.cpp.

References Arg, llvm::SpecSig::Args, assert(), llvm::SmallVectorTemplateCommon< T, typename >::begin(), llvm::Spec::CallSites, llvm::Spec::Clone, llvm::dbgs(), llvm::SmallVectorTemplateCommon< T, typename >::end(), End, llvm::Spec::F, F, llvm::Value::getName(), llvm::SCCPSolver::getTrackedRetVals(), I, llvm::SCCPSolver::isOverdefined(), llvm::SCCPSolver::isStructLatticeConstant(), llvm::InstructionCost::isValid(), LLVM_DEBUG, MaxClones, N, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::SCCPSolver::resetLatticeValueFor(), llvm::Spec::Score, llvm::Spec::Sig, llvm::SmallVectorBase< Size_T >::size(), llvm::SCCPSolver::solveWhileResolvedUndefs(), and llvm::SCCPSolver::solveWhileResolvedUndefsIn().

Referenced by runIPSCCP().

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

• include/llvm/Transforms/IPO/FunctionSpecialization.h
• lib/Transforms/IPO/FunctionSpecialization.cpp