LLVM  16.0.0git
Macros | Functions
BuildLibCalls.cpp File Reference
#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/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/Support/TypeSize.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 (NumWriteOnly, "Number of functions inferred as writeonly")
 
 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 (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 setOnlyWritesMemory (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 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, 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 markRegisterParameterAttributes (Function *F)
 
static ValueemitLibCall (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 ValueemitUnaryFloatFnCallHelper (Value *Op, LibFunc TheLibFunc, StringRef Name, IRBuilderBase &B, const AttributeList &Attrs, const TargetLibraryInfo *TLI)
 
static ValueemitBinaryFloatFnCallHelper (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 30 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 1643 of file BuildLibCalls.cpp.

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

◆ emitBinaryFloatFnCallHelper()

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

◆ emitLibCall()

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

◆ emitUnaryFloatFnCallHelper()

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

◆ markRegisterParameterAttributes()

static void markRegisterParameterAttributes ( Function F)
static

Definition at line 1248 of file BuildLibCalls.cpp.

References assert(), llvm::CallingConv::C, CC, DL, F, M, N, and llvm::CallingConv::X86_StdCall.

Referenced by llvm::getOrInsertLibFunc().

◆ setAlignedAllocParam()

static bool setAlignedAllocParam ( Function F,
unsigned  ArgNo 
)
static

Definition at line 219 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

◆ setAllocatedPointerParam()

static bool setAllocatedPointerParam ( Function F,
unsigned  ArgNo 
)
static

Definition at line 226 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

◆ setAllocFamily()

static bool setAllocFamily ( Function F,
StringRef  Family 
)
static

Definition at line 242 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

◆ setAllocKind()

static bool setAllocKind ( Function F,
AllocFnKind  K 
)
static

Definition at line 249 of file BuildLibCalls.cpp.

References F, and llvm::Attribute::get().

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

◆ setAllocSize()

static bool setAllocSize ( Function F,
unsigned  ElemSizeArg,
Optional< unsigned >  NumElemsArg 
)
static

Definition at line 233 of file BuildLibCalls.cpp.

References F, and llvm::Attribute::getWithAllocSizeArgs().

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

◆ setArgExtAttr()

static void setArgExtAttr ( Function F,
unsigned  ArgNo,
const TargetLibraryInfo TLI,
bool  Signed = true 
)
static

◆ setArgNoUndef()

static bool setArgNoUndef ( Function F,
unsigned  ArgNo 
)
static

Definition at line 174 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

◆ setArgsNoUndef()

static bool setArgsNoUndef ( Function F)
static

Definition at line 162 of file BuildLibCalls.cpp.

References F.

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

◆ setDoesNotAccessMemory()

static bool setDoesNotAccessMemory ( Function F)
static

Definition at line 51 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferNonMandatoryLibFuncAttrs(), and setOnlyWritesMemory().

◆ setDoesNotAlias()

static bool setDoesNotAlias ( Function F,
unsigned  ArgNo 
)
static

Definition at line 128 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

◆ setDoesNotCapture()

static bool setDoesNotCapture ( Function F,
unsigned  ArgNo 
)
static

Definition at line 120 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

◆ setDoesNotFreeMemory()

static bool setDoesNotFreeMemory ( Function F)
static

Definition at line 204 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

◆ setDoesNotThrow()

static bool setDoesNotThrow ( Function F)
static

Definition at line 104 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

◆ setNonLazyBind()

static bool setNonLazyBind ( Function F)
static

Definition at line 197 of file BuildLibCalls.cpp.

References F.

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

◆ setOnlyAccessesArgMemory()

static bool setOnlyAccessesArgMemory ( Function F)
static

Definition at line 88 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

◆ setOnlyAccessesInaccessibleMemOrArgMem()

static bool setOnlyAccessesInaccessibleMemOrArgMem ( Function F)
static

Definition at line 96 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

◆ setOnlyAccessesInaccessibleMemory()

static bool setOnlyAccessesInaccessibleMemory ( Function F)
static

Definition at line 59 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

◆ setOnlyReadsMemory() [1/2]

static bool setOnlyReadsMemory ( Function F)
static

Definition at line 67 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

◆ setOnlyReadsMemory() [2/2]

static bool setOnlyReadsMemory ( Function F,
unsigned  ArgNo 
)
static

Definition at line 136 of file BuildLibCalls.cpp.

References F.

◆ setOnlyWritesMemory() [1/2]

static bool setOnlyWritesMemory ( Function F)
static

Definition at line 75 of file BuildLibCalls.cpp.

References F, and setDoesNotAccessMemory().

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

◆ setOnlyWritesMemory() [2/2]

static bool setOnlyWritesMemory ( Function F,
unsigned  ArgNo 
)
static

Definition at line 144 of file BuildLibCalls.cpp.

References F.

◆ setRetAndArgsNoUndef()

static bool setRetAndArgsNoUndef ( Function F)
static

Definition at line 182 of file BuildLibCalls.cpp.

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

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

◆ setRetDoesNotAlias()

static bool setRetDoesNotAlias ( Function F)
static

Definition at line 112 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

◆ setRetNoUndef()

static bool setRetNoUndef ( Function F)
static

Definition at line 152 of file BuildLibCalls.cpp.

References F.

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

◆ setReturnedArg()

static bool setReturnedArg ( Function F,
unsigned  ArgNo 
)
static

Definition at line 189 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

◆ setWillReturn()

static bool setWillReturn ( Function F)
static

Definition at line 211 of file BuildLibCalls.cpp.

References F.

Referenced by llvm::inferNonMandatoryLibFuncAttrs().

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

◆ STATISTIC() [13/14]

STATISTIC ( NumWriteOnly  ,
"Number of functions inferred as writeonly"   
)

◆ STATISTIC() [14/14]

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