llvm::InlineCostAnalyzer Class Reference

InlineCostAnalyzer - Cost analyzer used by inliner. More...

#include <InlineCost.h>

Collaboration diagram for llvm::InlineCostAnalyzer:

[legend]

List of all members.

Public Member Functions
InlineCost	getInlineCost (CallSite CS, SmallPtrSet< const Function *, 16 > &NeverInline)
float	getInlineFudgeFactor (CallSite CS)
void	resetCachedCostInfo (Function *Caller)
	resetCachedFunctionInfo - erase any cached cost info for this function.
Classes
struct	ArgInfo
struct	FunctionInfo

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Detailed Description

InlineCostAnalyzer - Cost analyzer used by inliner.

Definition at line 64 of file InlineCost.h.

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Member Function Documentation

InlineCost InlineCostAnalyzer::getInlineCost	(	CallSite	CS,
		SmallPtrSet< const Function *, 16 > &	NeverInline
	)

getInlineCost - The heuristic used to determine if we should inline the function call or not.

Definition at line 177 of file InlineCost.cpp.

References llvm::Attribute::AlwaysInline, llvm::CallSite::arg_begin(), llvm::CallSite::arg_end(), Caller, llvm::CallingConv::Cold, llvm::SmallPtrSet< PtrType, SmallSize >::count(), E, FunctionInfo, llvm::InlineCost::get(), llvm::InlineCost::getAlways(), llvm::CallSite::getCalledFunction(), llvm::Function::getCallingConv(), llvm::CallSite::getInstruction(), llvm::InlineCost::getNever(), llvm::BasicBlock::getParent(), llvm::Instruction::getParent(), llvm::Function::hasFnAttr(), llvm::GlobalValue::hasLinkOnceLinkage(), llvm::GlobalValue::hasLocalLinkage(), llvm::Value::hasOneUse(), II, llvm::Function::isDeclaration(), llvm::GlobalValue::mayBeOverridden(), llvm::Attribute::NoInline, and llvm::Function::size().

Referenced by llvm::BasicInlinerImpl::inlineFunctions().

float InlineCostAnalyzer::getInlineFudgeFactor

(

CallSite

CS

)

getInlineFudgeFactor - Return a > 1.0 factor if the inliner should use a higher threshold to determine if the function call should be inlined.

Definition at line 302 of file InlineCost.cpp.

References FunctionInfo, and llvm::CallSite::getCalledFunction().

void llvm::InlineCostAnalyzer::resetCachedCostInfo

(

Function *

Caller

)

[inline]

resetCachedFunctionInfo - erase any cached cost info for this function.

Definition at line 133 of file InlineCost.h.

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

• InlineCost.h
• InlineCost.cpp