BuildLibCalls.cpp File Reference

#include "llvm/Transforms/Utils/BuildLibCalls.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/Analysis/MemoryBuiltins.h"

Include dependency graph for BuildLibCalls.cpp:

Go to the source code of this file.

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 (NumArgMemOnly, "Number of functions inferred as argmemonly")
	STATISTIC (NumInaccessibleMemOrArgMemOnly, "Number of functions inferred as inaccessiblemem_or_argmemonly")
	STATISTIC (NumNoUnwind, "Number of functions inferred as nounwind")
	STATISTIC (NumNoCapture, "Number of arguments inferred as nocapture")
	STATISTIC (NumWriteOnlyArg, "Number of arguments inferred as writeonly")
	STATISTIC (NumSExtArg, "Number of arguments inferred as signext")
	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")
static bool	setDoesNotAccessMemory (Function &F)
static bool	setOnlyAccessesInaccessibleMemory (Function &F)
static bool	setOnlyReadsMemory (Function &F)
static bool	setOnlyAccessesArgMemory (Function &F)
static bool	setOnlyAccessesInaccessibleMemOrArgMem (Function &F)
static bool	setDoesNotThrow (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	setSignExtendedArg (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 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'. More...
static Value *	emitUnaryFloatFnCallHelper (Value *Op, StringRef Name, IRBuilderBase &B, const AttributeList &Attrs)
static Value *	emitBinaryFloatFnCallHelper (Value *Op1, Value *Op2, StringRef Name, IRBuilderBase &B, const AttributeList &Attrs, const TargetLibraryInfo *TLI=nullptr)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "build-libcalls"

Definition at line 29 of file BuildLibCalls.cpp.

Function Documentation

appendTypeSuffix()

static 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 1429 of file BuildLibCalls.cpp.

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

emitBinaryFloatFnCallHelper()

static Value* emitBinaryFloatFnCallHelper ( Value *  Op1, Value *  Op2, StringRef  Name, IRBuilderBase &  B, const AttributeList &  Attrs, const TargetLibraryInfo *  TLI = nullptr  )

static

Definition at line 1485 of file BuildLibCalls.cpp.

References assert(), Attrs, B, Callee, F, llvm::AttributeList::FunctionIndex, llvm::FunctionCallee::getCallee(), llvm::Value::getType(), llvm::inferLibFuncAttributes(), M, llvm::Function::removeAttribute(), llvm::CallBase::setAttributes(), llvm::CallBase::setCallingConv(), and llvm::Value::stripPointerCasts().

Referenced by llvm::emitBinaryFloatFnCall().

emitLibCall()

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

static

Definition at line 1219 of file BuildLibCalls.cpp.

References B, Callee, F, llvm::FunctionType::get(), llvm::FunctionCallee::getCallee(), llvm::TargetLibraryInfo::getName(), llvm::TargetLibraryInfo::has(), llvm::inferLibFuncAttributes(), M, Operands, llvm::CallBase::setCallingConv(), and llvm::Value::stripPointerCasts().

Referenced by llvm::emitBCmp(), llvm::emitMemCCpy(), llvm::emitMemChr(), llvm::emitMemCmp(), llvm::emitMemPCpy(), llvm::emitSNPrintf(), llvm::emitSPrintf(), llvm::emitStpCpy(), llvm::emitStpNCpy(), llvm::emitStrCat(), llvm::emitStrChr(), llvm::emitStrCpy(), llvm::emitStrDup(), llvm::emitStrLCat(), llvm::emitStrLCpy(), llvm::emitStrLen(), llvm::emitStrNCat(), llvm::emitStrNCmp(), llvm::emitStrNCpy(), llvm::emitVSNPrintf(), and llvm::emitVSPrintf().

emitUnaryFloatFnCallHelper()

static Value* emitUnaryFloatFnCallHelper ( Value *  Op, StringRef  Name, IRBuilderBase &  B, const AttributeList &  Attrs  )

static

Definition at line 1443 of file BuildLibCalls.cpp.

References assert(), Attrs, B, Callee, F, llvm::AttributeList::FunctionIndex, llvm::FunctionCallee::getCallee(), M, llvm::Function::removeAttribute(), llvm::CallBase::setAttributes(), llvm::CallBase::setCallingConv(), and llvm::Value::stripPointerCasts().

Referenced by llvm::emitUnaryFloatFnCall().

setArgNoUndef()

static bool setArgNoUndef ( Function &  F, unsigned  ArgNo  )

static

Definition at line 168 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferLibFuncAttributes().

setArgsNoUndef()

static bool setArgsNoUndef ( Function &  F )

static

Definition at line 156 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferLibFuncAttributes(), and setRetAndArgsNoUndef().

setDoesNotAccessMemory()

static bool setDoesNotAccessMemory ( Function &  F )

static

Definition at line 50 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferLibFuncAttributes().

setDoesNotAlias()

static bool setDoesNotAlias ( Function &  F, unsigned  ArgNo  )

static

Definition at line 114 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferLibFuncAttributes().

setDoesNotCapture()

static bool setDoesNotCapture ( Function &  F, unsigned  ArgNo  )

static

Definition at line 106 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferLibFuncAttributes().

setDoesNotFreeMemory()

static bool setDoesNotFreeMemory ( Function &  F )

static

Definition at line 195 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferLibFuncAttributes().

setDoesNotThrow()

static bool setDoesNotThrow ( Function &  F )

static

Definition at line 90 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferLibFuncAttributes().

setNonLazyBind()

static bool setNonLazyBind ( Function &  F )

static

Definition at line 188 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferLibFuncAttributes(), and lowerObjCCall().

setOnlyAccessesArgMemory()

static bool setOnlyAccessesArgMemory ( Function &  F )

static

Definition at line 74 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferLibFuncAttributes().

setOnlyAccessesInaccessibleMemOrArgMem()

static bool setOnlyAccessesInaccessibleMemOrArgMem ( Function &  F )

static

Definition at line 82 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferLibFuncAttributes().

setOnlyAccessesInaccessibleMemory()

static bool setOnlyAccessesInaccessibleMemory ( Function &  F )

static

Definition at line 58 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferLibFuncAttributes().

setOnlyReadsMemory() [1/2]

static bool setOnlyReadsMemory ( Function &  F )

static

Definition at line 66 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferLibFuncAttributes().

setOnlyReadsMemory() [2/2]

static bool setOnlyReadsMemory ( Function &  F, unsigned  ArgNo  )

static

Definition at line 122 of file BuildLibCalls.cpp.

References F, and llvm::orc::ReadOnly.

setOnlyWritesMemory()

static bool setOnlyWritesMemory ( Function &  F, unsigned  ArgNo  )

static

Definition at line 130 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferLibFuncAttributes().

setRetAndArgsNoUndef()

static bool setRetAndArgsNoUndef ( Function &  F )

static

Definition at line 176 of file BuildLibCalls.cpp.

References F, setArgsNoUndef(), and setRetNoUndef().

Referenced by llvm::inferLibFuncAttributes().

setRetDoesNotAlias()

static bool setRetDoesNotAlias ( Function &  F )

static

Definition at line 98 of file BuildLibCalls.cpp.

References F, and llvm::AttributeList::ReturnIndex.

Referenced by llvm::inferLibFuncAttributes().

setRetNoUndef()

static bool setRetNoUndef ( Function &  F )

static

Definition at line 146 of file BuildLibCalls.cpp.

References F, and llvm::AttributeList::ReturnIndex.

Referenced by llvm::inferLibFuncAttributes(), and setRetAndArgsNoUndef().

setReturnedArg()

static bool setReturnedArg ( Function &  F, unsigned  ArgNo  )

static

Definition at line 180 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferLibFuncAttributes().

setSignExtendedArg()

static bool setSignExtendedArg ( Function &  F, unsigned  ArgNo  )

static

Definition at line 138 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferLibFuncAttributes().

setWillReturn()

static bool setWillReturn ( Function &  F )

static

Definition at line 202 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferLibFuncAttributes().

STATISTIC() [1/14]

STATISTIC	(	NumArgMemOnly	,
		"Number of functions inferred as argmemonly"
	)

STATISTIC() [2/14]

STATISTIC	(	NumInaccessibleMemOnly	,
		"Number of functions inferred as inaccessiblememonly"
	)

STATISTIC() [3/14]

STATISTIC	(	NumInaccessibleMemOrArgMemOnly	,
		"Number of functions inferred as inaccessiblemem_or_argmemonly"
	)

STATISTIC() [4/14]

STATISTIC	(	NumNoAlias	,
		"Number of function returns inferred as noalias"
	)

STATISTIC() [5/14]

STATISTIC	(	NumNoCapture	,
		"Number of arguments inferred as nocapture"
	)

STATISTIC() [6/14]

STATISTIC	(	NumNoUndef	,
		"Number of function returns inferred as noundef returns"
	)

STATISTIC() [7/14]

STATISTIC	(	NumNoUnwind	,
		"Number of functions inferred as nounwind"
	)

STATISTIC() [8/14]

STATISTIC	(	NumReadNone	,
		"Number of functions inferred as readnone"
	)

STATISTIC() [9/14]

STATISTIC	(	NumReadOnly	,
		"Number of functions inferred as readonly"
	)

STATISTIC() [10/14]

STATISTIC	(	NumReadOnlyArg	,
		"Number of arguments inferred as readonly"
	)

STATISTIC() [11/14]

STATISTIC	(	NumReturnedArg	,
		"Number of arguments inferred as returned"
	)

STATISTIC() [12/14]

STATISTIC	(	NumSExtArg	,
		"Number of arguments inferred as signext"
	)

STATISTIC() [13/14]

STATISTIC	(	NumWillReturn	,
		"Number of functions inferred as willreturn"
	)

STATISTIC() [14/14]

STATISTIC	(	NumWriteOnlyArg	,
		"Number of arguments inferred as writeonly"
	)