#include "llvm/Transforms/Utils/BuildLibCalls.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/IR/Argument.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/Support/TypeSize.h"
#include <optional>

Macros
#define	DEBUG_TYPE "build-libcalls"

Functions
	STATISTIC (NumReadNone, "Number of functions inferred as readnone")
	STATISTIC (NumInaccessibleMemOnly, "Number of functions inferred as inaccessiblememonly")
	STATISTIC (NumReadOnly, "Number of functions inferred as readonly")
	STATISTIC (NumWriteOnly, "Number of functions inferred as writeonly")
	STATISTIC (NumArgMemOnly, "Number of functions inferred as argmemonly")
	STATISTIC (NumWriteErrnoMemOnly, "Number of functions inferred as memory(errnomem: write)")
	STATISTIC (NumInaccessibleMemOrArgMemOnly, "Number of functions inferred as inaccessiblemem_or_argmemonly")
	STATISTIC (NumWriteArgumentMemOrErrnoMemOnly, "Number of functions inferred as memory(argmem: write, errnomem: write)")
	STATISTIC (NumNoUnwind, "Number of functions inferred as nounwind")
	STATISTIC (NumNoCallback, "Number of functions inferred as nocallback")
	STATISTIC (NumNoCapture, "Number of arguments inferred as nocapture")
	STATISTIC (NumWriteOnlyArg, "Number of arguments inferred as writeonly")
	STATISTIC (NumReadOnlyArg, "Number of arguments inferred as readonly")
	STATISTIC (NumNoAlias, "Number of function returns inferred as noalias")
	STATISTIC (NumNoUndef, "Number of function returns inferred as noundef returns")
	STATISTIC (NumReturnedArg, "Number of arguments inferred as returned")
	STATISTIC (NumWillReturn, "Number of functions inferred as willreturn")
	STATISTIC (NumCold, "Number of functions inferred as cold")
	STATISTIC (NumNoReturn, "Number of functions inferred as no return")
static bool	setDoesNotAccessMemory (Function &F)
static bool	setIsCold (Function &F)
static bool	setNoReturn (Function &F)
static bool	setMemoryEffects (Function &F, MemoryEffects ME)
static bool	setOnlyAccessesInaccessibleMemory (Function &F)
static bool	setOnlyReadsMemory (Function &F)
static bool	setOnlyWritesMemory (Function &F)
static bool	setOnlyAccessesArgMemory (Function &F)
static bool	setOnlyAccessesInaccessibleMemOrArgMem (Function &F)
static bool	setOnlyWritesErrnoMemory (Function &F)
static bool	setOnlyWritesArgMemOrErrnoMem (Function &F)
static bool	setDoesNotThrow (Function &F)
static bool	setDoesNotCallback (Function &F)
static bool	setRetDoesNotAlias (Function &F)
static bool	setDoesNotCapture (Function &F, unsigned ArgNo)
static bool	setDoesNotAlias (Function &F, unsigned ArgNo)
static bool	setOnlyReadsMemory (Function &F, unsigned ArgNo)
static bool	setOnlyWritesMemory (Function &F, unsigned ArgNo)
static bool	setRetNoUndef (Function &F)
static bool	setArgsNoUndef (Function &F)
static bool	setArgNoUndef (Function &F, unsigned ArgNo)
static bool	setRetAndArgsNoUndef (Function &F)
static bool	setReturnedArg (Function &F, unsigned ArgNo)
static bool	setNonLazyBind (Function &F)
static bool	setDoesNotFreeMemory (Function &F)
static bool	setWillReturn (Function &F)
static bool	setAlignedAllocParam (Function &F, unsigned ArgNo)
static bool	setAllocatedPointerParam (Function &F, unsigned ArgNo)
static bool	setAllocSize (Function &F, unsigned ElemSizeArg, std::optional< unsigned > NumElemsArg)
static bool	setAllocFamily (Function &F, StringRef Family)
static bool	setAllocKind (Function &F, AllocFnKind K)
static void	setArgExtAttr (Function &F, unsigned ArgNo, const TargetLibraryInfo &TLI, bool Signed=true)
static void	setRetExtAttr (Function &F, const TargetLibraryInfo &TLI, bool Signed=true)
static IntegerType *	getIntTy (IRBuilderBase &B, const TargetLibraryInfo *TLI)
static IntegerType *	getSizeTTy (IRBuilderBase &B, const TargetLibraryInfo *TLI)
static Value *	emitLibCall (LibFunc TheLibFunc, Type ReturnType, ArrayRef< Type > ParamTypes, ArrayRef< Value * > Operands, IRBuilderBase &B, const TargetLibraryInfo *TLI, bool IsVaArgs=false)
static void	appendTypeSuffix (Value *Op, StringRef &Name, SmallString< 20 > &NameBuffer)
	Append a suffix to the function name according to the type of 'Op'.
static Value *	emitUnaryFloatFnCallHelper (Value Op, LibFunc TheLibFunc, StringRef Name, IRBuilderBase &B, const AttributeList &Attrs, const TargetLibraryInfo TLI)
static Value *	emitBinaryFloatFnCallHelper (Value Op1, Value Op2, LibFunc TheLibFunc, StringRef Name, IRBuilderBase &B, const AttributeList &Attrs, const TargetLibraryInfo *TLI)

Macro Definition Documentation

◆ DEBUG_TYPE

#define DEBUG_TYPE "build-libcalls"

Definition at line 32 of file BuildLibCalls.cpp.

Function Documentation

◆ appendTypeSuffix()

void appendTypeSuffix	(	Value *	Op,
		StringRef &	Name,
		SmallString< 20 > &	NameBuffer )

static

Append a suffix to the function name according to the type of 'Op'.

Definition at line 1850 of file BuildLibCalls.cpp.

Referenced by llvm::emitBinaryFloatFnCall(), and llvm::emitUnaryFloatFnCall().

◆ emitBinaryFloatFnCallHelper()

Value * emitBinaryFloatFnCallHelper	(	Value *	Op1,
		Value *	Op2,
		LibFunc	TheLibFunc,
		StringRef	Name,
		IRBuilderBase &	B,
		const AttributeList &	Attrs,
		const TargetLibraryInfo *	TLI )

static

Definition at line 1912 of file BuildLibCalls.cpp.

References assert(), B(), llvm::dyn_cast(), F, llvm::getOrInsertLibFunc(), llvm::Value::getType(), llvm::inferNonMandatoryLibFuncAttrs(), llvm::CallBase::setAttributes(), and llvm::CallBase::setCallingConv().

Referenced by llvm::emitBinaryFloatFnCall(), and llvm::emitBinaryFloatFnCall().

◆ emitLibCall()

Value * emitLibCall	(	LibFunc	TheLibFunc,
		Type *	ReturnType,
		ArrayRef< Type * >	ParamTypes,
		ArrayRef< Value * >	Operands,
		IRBuilderBase &	B,
		const TargetLibraryInfo *	TLI,
		bool	IsVaArgs = false )

static

◆ emitUnaryFloatFnCallHelper()

Value * emitUnaryFloatFnCallHelper	(	Value *	Op,
		LibFunc	TheLibFunc,
		StringRef	Name,
		IRBuilderBase &	B,
		const AttributeList &	Attrs,
		const TargetLibraryInfo *	TLI )