FunctionAttrs.cpp File Reference

#include "llvm/Transforms/IPO.h"
#include "llvm/ADT/SCCIterator.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/CallGraph.h"
#include "llvm/Analysis/CallGraphSCCPass.h"
#include "llvm/Analysis/CaptureTracking.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/InstIterator.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/Target/TargetLibraryInfo.h"

Include dependency graph for FunctionAttrs.cpp:

Go to the source code of this file.

Classes
struct	llvm::GraphTraits< ArgumentGraphNode * >
struct	llvm::GraphTraits< ArgumentGraph * >
Namespaces
namespace	llvm
	List of target independent CodeGen pass IDs.
Defines
#define	DEBUG_TYPE   "functionattrs"
Functions
	STATISTIC (NumReadNone,"Number of functions marked readnone")
	STATISTIC (NumReadOnly,"Number of functions marked readonly")
	STATISTIC (NumNoCapture,"Number of arguments marked nocapture")
	STATISTIC (NumReadNoneArg,"Number of arguments marked readnone")
	STATISTIC (NumReadOnlyArg,"Number of arguments marked readonly")
	STATISTIC (NumNoAlias,"Number of function returns marked noalias")
	STATISTIC (NumAnnotated,"Number of attributes added to library functions")
	INITIALIZE_PASS_BEGIN (FunctionAttrs,"functionattrs","Deduce function attributes", false, false) INITIALIZE_PASS_END(FunctionAttrs
static Attribute::AttrKind	determinePointerReadAttrs (Argument *A, const SmallPtrSet< Argument *, 8 > &SCCNodes)
Variables
	functionattrs
Deduce function	attributes
Deduce function	false

---

Define Documentation

#define DEBUG_TYPE   "functionattrs"

Definition at line 37 of file FunctionAttrs.cpp.

---

Function Documentation

static Attribute::AttrKind determinePointerReadAttrs	(	Argument *	A,
		const SmallPtrSet< Argument *, 8 > &	SCCNodes
	)		[static]

Definition at line 414 of file FunctionAttrs.cpp.

References llvm::ARM_PROC::A, llvm::AddrSpaceCast, llvm::CallSiteBase< FunTy, ValTy, UserTy, InstrTy, CallTy, InvokeTy, IterTy >::arg_begin(), llvm::Function::arg_begin(), llvm::CallSiteBase< FunTy, ValTy, UserTy, InstrTy, CallTy, InvokeTy, IterTy >::arg_end(), llvm::Function::arg_end(), llvm::Call, llvm::SmallPtrSetImpl< PtrType >::count(), llvm::CallSiteBase< FunTy, ValTy, UserTy, InstrTy, CallTy, InvokeTy, IterTy >::doesNotAccessMemory(), llvm::CallSiteBase< FunTy, ValTy, UserTy, InstrTy, CallTy, InvokeTy, IterTy >::doesNotCapture(), llvm::SmallVectorBase::empty(), llvm::CallSiteBase< FunTy, ValTy, UserTy, InstrTy, CallTy, InvokeTy, IterTy >::getCalledFunction(), llvm::Instruction::getOpcode(), llvm::Value::getType(), llvm::Argument::hasInAllocaAttr(), llvm::SmallSet< T, N, C >::insert(), llvm::Function::isVarArg(), llvm::Type::isVoidTy(), llvm::SPII::Load, llvm::Attribute::None, llvm::CallSiteBase< FunTy, ValTy, UserTy, InstrTy, CallTy, InvokeTy, IterTy >::onlyReadsMemory(), llvm::TargetOpcode::PHI, llvm::SmallVectorImpl< T >::pop_back_val(), llvm::SmallVectorTemplateBase< T, isPodLike< T >::value >::push_back(), llvm::Attribute::ReadNone, llvm::Attribute::ReadOnly, llvm::MipsISD::Ret, llvm::MCID::Select, and llvm::Value::uses().

INITIALIZE_PASS_BEGIN	(	FunctionAttrs	,
		"functionattrs"	,
		"Deduce function attributes"	,
		false	,
		false
	)

STATISTIC	(	NumReadNone	,
		"Number of functions marked readnone"
	)

STATISTIC	(	NumReadOnly	,
		"Number of functions marked readonly"
	)

STATISTIC	(	NumNoCapture	,
		"Number of arguments marked nocapture"
	)

STATISTIC	(	NumReadNoneArg	,
		"Number of arguments marked readnone"
	)

STATISTIC	(	NumReadOnlyArg	,
		"Number of arguments marked readonly"
	)

STATISTIC	(	NumNoAlias	,
		"Number of function returns marked noalias"
	)

STATISTIC	(	NumAnnotated	,
		"Number of attributes added to library functions"
	)

---

Variable Documentation

Deduce function attributes

Definition at line 143 of file FunctionAttrs.cpp.

Referenced by llvm::LTOModule::getSymbolAttributes().

Deduce function false

Definition at line 143 of file FunctionAttrs.cpp.

functionattrs

Definition at line 143 of file FunctionAttrs.cpp.