//
//===----------------------------------------------------------------------===//
-#include "llvm/Function.h"
+#include "llvm/IR/Function.h"
+#include "LLVMContextImpl.h"
#include "SymbolTableListTraitsImpl.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/CodeGen/ValueTypes.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/IntrinsicInst.h"
-#include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
-#include "llvm/Support/CallSite.h"
-#include "llvm/Support/InstIterator.h"
-#include "llvm/Support/LeakDetector.h"
+#include "llvm/IR/CallSite.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/InstIterator.h"
+#include "llvm/IR/IntrinsicInst.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/MDBuilder.h"
+#include "llvm/IR/Metadata.h"
+#include "llvm/IR/Module.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/RWMutex.h"
#include "llvm/Support/StringPool.h"
Argument::Argument(Type *Ty, const Twine &Name, Function *Par)
: Value(Ty, Value::ArgumentVal) {
- Parent = 0;
-
- // Make sure that we get added to a function
- LeakDetector::addGarbageObject(this);
+ Parent = nullptr;
if (Par)
Par->getArgumentList().push_back(this);
}
void Argument::setParent(Function *parent) {
- if (getParent())
- LeakDetector::addGarbageObject(this);
Parent = parent;
- if (getParent())
- LeakDetector::removeGarbageObject(this);
}
/// getArgNo - Return the index of this formal argument in its containing
return ArgIdx;
}
+/// hasNonNullAttr - Return true if this argument has the nonnull attribute on
+/// it in its containing function. Also returns true if at least one byte is
+/// known to be dereferenceable and the pointer is in addrspace(0).
+bool Argument::hasNonNullAttr() const {
+ if (!getType()->isPointerTy()) return false;
+ if (getParent()->getAttributes().
+ hasAttribute(getArgNo()+1, Attribute::NonNull))
+ return true;
+ else if (getDereferenceableBytes() > 0 &&
+ getType()->getPointerAddressSpace() == 0)
+ return true;
+ return false;
+}
+
/// hasByValAttr - Return true if this argument has the byval attribute on it
/// in its containing function.
bool Argument::hasByValAttr() const {
hasAttribute(getArgNo()+1, Attribute::ByVal);
}
+/// \brief Return true if this argument has the inalloca attribute on it in
+/// its containing function.
+bool Argument::hasInAllocaAttr() const {
+ if (!getType()->isPointerTy()) return false;
+ return getParent()->getAttributes().
+ hasAttribute(getArgNo()+1, Attribute::InAlloca);
+}
+
+bool Argument::hasByValOrInAllocaAttr() const {
+ if (!getType()->isPointerTy()) return false;
+ AttributeSet Attrs = getParent()->getAttributes();
+ return Attrs.hasAttribute(getArgNo() + 1, Attribute::ByVal) ||
+ Attrs.hasAttribute(getArgNo() + 1, Attribute::InAlloca);
+}
+
unsigned Argument::getParamAlignment() const {
assert(getType()->isPointerTy() && "Only pointers have alignments");
return getParent()->getParamAlignment(getArgNo()+1);
}
+uint64_t Argument::getDereferenceableBytes() const {
+ assert(getType()->isPointerTy() &&
+ "Only pointers have dereferenceable bytes");
+ return getParent()->getDereferenceableBytes(getArgNo()+1);
+}
+
+uint64_t Argument::getDereferenceableOrNullBytes() const {
+ assert(getType()->isPointerTy() &&
+ "Only pointers have dereferenceable bytes");
+ return getParent()->getDereferenceableOrNullBytes(getArgNo()+1);
+}
+
/// hasNestAttr - Return true if this argument has the nest attribute on
/// it in its containing function.
bool Argument::hasNestAttr() const {
/// it in its containing function.
bool Argument::hasStructRetAttr() const {
if (!getType()->isPointerTy()) return false;
- if (this != getParent()->arg_begin())
- return false; // StructRet param must be first param
return getParent()->getAttributes().
- hasAttribute(1, Attribute::StructRet);
+ hasAttribute(getArgNo()+1, Attribute::StructRet);
}
-/// addAttr - Add a Attribute to an argument
-void Argument::addAttr(Attribute attr) {
- getParent()->addAttribute(getArgNo() + 1, attr);
+/// hasReturnedAttr - Return true if this argument has the returned attribute on
+/// it in its containing function.
+bool Argument::hasReturnedAttr() const {
+ return getParent()->getAttributes().
+ hasAttribute(getArgNo()+1, Attribute::Returned);
+}
+
+/// hasZExtAttr - Return true if this argument has the zext attribute on it in
+/// its containing function.
+bool Argument::hasZExtAttr() const {
+ return getParent()->getAttributes().
+ hasAttribute(getArgNo()+1, Attribute::ZExt);
+}
+
+/// hasSExtAttr Return true if this argument has the sext attribute on it in its
+/// containing function.
+bool Argument::hasSExtAttr() const {
+ return getParent()->getAttributes().
+ hasAttribute(getArgNo()+1, Attribute::SExt);
}
-/// removeAttr - Remove a Attribute from an argument
-void Argument::removeAttr(Attribute attr) {
- getParent()->removeAttribute(getArgNo() + 1, attr);
+/// Return true if this argument has the readonly or readnone attribute on it
+/// in its containing function.
+bool Argument::onlyReadsMemory() const {
+ return getParent()->getAttributes().
+ hasAttribute(getArgNo()+1, Attribute::ReadOnly) ||
+ getParent()->getAttributes().
+ hasAttribute(getArgNo()+1, Attribute::ReadNone);
+}
+
+/// addAttr - Add attributes to an argument.
+void Argument::addAttr(AttributeSet AS) {
+ assert(AS.getNumSlots() <= 1 &&
+ "Trying to add more than one attribute set to an argument!");
+ AttrBuilder B(AS, AS.getSlotIndex(0));
+ getParent()->addAttributes(getArgNo() + 1,
+ AttributeSet::get(Parent->getContext(),
+ getArgNo() + 1, B));
}
+/// removeAttr - Remove attributes from an argument.
+void Argument::removeAttr(AttributeSet AS) {
+ assert(AS.getNumSlots() <= 1 &&
+ "Trying to remove more than one attribute set from an argument!");
+ AttrBuilder B(AS, AS.getSlotIndex(0));
+ getParent()->removeAttributes(getArgNo() + 1,
+ AttributeSet::get(Parent->getContext(),
+ getArgNo() + 1, B));
+}
//===----------------------------------------------------------------------===//
// Helper Methods in Function
//===----------------------------------------------------------------------===//
+bool Function::isMaterializable() const {
+ return getGlobalObjectSubClassData() & IsMaterializableBit;
+}
+
+void Function::setIsMaterializable(bool V) {
+ setGlobalObjectBit(IsMaterializableBit, V);
+}
+
LLVMContext &Function::getContext() const {
return getType()->getContext();
}
-FunctionType *Function::getFunctionType() const {
- return cast<FunctionType>(getType()->getElementType());
-}
+FunctionType *Function::getFunctionType() const { return Ty; }
bool Function::isVarArg() const {
return getFunctionType()->isVarArg();
// Function Implementation
//===----------------------------------------------------------------------===//
-Function::Function(FunctionType *Ty, LinkageTypes Linkage,
- const Twine &name, Module *ParentModule)
- : GlobalValue(PointerType::getUnqual(Ty),
- Value::FunctionVal, 0, 0, Linkage, name) {
+Function::Function(FunctionType *Ty, LinkageTypes Linkage, const Twine &name,
+ Module *ParentModule)
+ : GlobalObject(PointerType::getUnqual(Ty), Value::FunctionVal,
+ OperandTraits<Function>::op_begin(this), 0, Linkage, name),
+ Ty(Ty) {
assert(FunctionType::isValidReturnType(getReturnType()) &&
"invalid return type");
+ setGlobalObjectSubClassData(0);
SymTab = new ValueSymbolTable();
// If the function has arguments, mark them as lazily built.
if (Ty->getNumParams())
setValueSubclassData(1); // Set the "has lazy arguments" bit.
- // Make sure that we get added to a function
- LeakDetector::addGarbageObject(this);
-
if (ParentModule)
ParentModule->getFunctionList().push_back(this);
// Ensure intrinsics have the right parameter attributes.
- if (unsigned IID = getIntrinsicID())
- setAttributes(Intrinsic::getAttributes(getContext(), Intrinsic::ID(IID)));
-
+ // Note, the IntID field will have been set in Value::setName if this function
+ // name is a valid intrinsic ID.
+ if (IntID)
+ setAttributes(Intrinsic::getAttributes(getContext(), IntID));
}
Function::~Function() {
// Remove the function from the on-the-side GC table.
clearGC();
+
+ // FIXME: needed by operator delete
+ setFunctionNumOperands(1);
}
void Function::BuildLazyArguments() const {
// Clear the lazy arguments bit.
unsigned SDC = getSubclassDataFromValue();
- const_cast<Function*>(this)->setValueSubclassData(SDC &= ~1);
+ const_cast<Function*>(this)->setValueSubclassData(SDC &= ~(1<<0));
}
size_t Function::arg_size() const {
}
void Function::setParent(Module *parent) {
- if (getParent())
- LeakDetector::addGarbageObject(this);
Parent = parent;
- if (getParent())
- LeakDetector::removeGarbageObject(this);
}
// dropAllReferences() - This function causes all the subinstructions to "let
// delete.
//
void Function::dropAllReferences() {
+ setIsMaterializable(false);
+
for (iterator I = begin(), E = end(); I != E; ++I)
I->dropAllReferences();
// blockaddresses, but BasicBlock's destructor takes care of those.
while (!BasicBlocks.empty())
BasicBlocks.begin()->eraseFromParent();
+
+ // Prefix and prologue data are stored in a side table.
+ setPrefixData(nullptr);
+ setPrologueData(nullptr);
+
+ // Metadata is stored in a side-table.
+ clearMetadata();
+
+ setPersonalityFn(nullptr);
+}
+
+void Function::addAttribute(unsigned i, Attribute::AttrKind attr) {
+ AttributeSet PAL = getAttributes();
+ PAL = PAL.addAttribute(getContext(), i, attr);
+ setAttributes(PAL);
+}
+
+void Function::addAttributes(unsigned i, AttributeSet attrs) {
+ AttributeSet PAL = getAttributes();
+ PAL = PAL.addAttributes(getContext(), i, attrs);
+ setAttributes(PAL);
+}
+
+void Function::removeAttributes(unsigned i, AttributeSet attrs) {
+ AttributeSet PAL = getAttributes();
+ PAL = PAL.removeAttributes(getContext(), i, attrs);
+ setAttributes(PAL);
}
-void Function::addAttribute(unsigned i, Attribute attr) {
+void Function::addDereferenceableAttr(unsigned i, uint64_t Bytes) {
AttributeSet PAL = getAttributes();
- PAL = PAL.addAttr(getContext(), i, attr);
+ PAL = PAL.addDereferenceableAttr(getContext(), i, Bytes);
setAttributes(PAL);
}
-void Function::removeAttribute(unsigned i, Attribute attr) {
+void Function::addDereferenceableOrNullAttr(unsigned i, uint64_t Bytes) {
AttributeSet PAL = getAttributes();
- PAL = PAL.removeAttr(getContext(), i, attr);
+ PAL = PAL.addDereferenceableOrNullAttr(getContext(), i, Bytes);
setAttributes(PAL);
}
GCNames->erase(this);
if (GCNames->empty()) {
delete GCNames;
- GCNames = 0;
+ GCNames = nullptr;
if (GCNamePool->empty()) {
delete GCNamePool;
- GCNamePool = 0;
+ GCNamePool = nullptr;
}
}
}
/// create a Function) from the Function Src to this one.
void Function::copyAttributesFrom(const GlobalValue *Src) {
assert(isa<Function>(Src) && "Expected a Function!");
- GlobalValue::copyAttributesFrom(Src);
+ GlobalObject::copyAttributesFrom(Src);
const Function *SrcF = cast<Function>(Src);
setCallingConv(SrcF->getCallingConv());
setAttributes(SrcF->getAttributes());
setGC(SrcF->getGC());
else
clearGC();
+ if (SrcF->hasPrefixData())
+ setPrefixData(SrcF->getPrefixData());
+ else
+ setPrefixData(nullptr);
+ if (SrcF->hasPrologueData())
+ setPrologueData(SrcF->getPrologueData());
+ else
+ setPrologueData(nullptr);
+ if (SrcF->hasPersonalityFn())
+ setPersonalityFn(SrcF->getPersonalityFn());
+ else
+ setPersonalityFn(nullptr);
}
-/// getIntrinsicID - This method returns the ID number of the specified
-/// function, or Intrinsic::not_intrinsic if the function is not an
-/// intrinsic, or if the pointer is null. This value is always defined to be
-/// zero to allow easy checking for whether a function is intrinsic or not. The
-/// particular intrinsic functions which correspond to this value are defined in
-/// llvm/Intrinsics.h.
-///
-unsigned Function::getIntrinsicID() const {
- const ValueName *ValName = this->getValueName();
- if (!ValName || !isIntrinsic())
- return 0;
+/// \brief This does the actual lookup of an intrinsic ID which
+/// matches the given function name.
+static Intrinsic::ID lookupIntrinsicID(const ValueName *ValName) {
unsigned Len = ValName->getKeyLength();
const char *Name = ValName->getKeyData();
#define GET_FUNCTION_RECOGNIZER
-#include "llvm/Intrinsics.gen"
+#include "llvm/IR/Intrinsics.gen"
#undef GET_FUNCTION_RECOGNIZER
- return 0;
+
+ return Intrinsic::not_intrinsic;
+}
+
+void Function::recalculateIntrinsicID() {
+ const ValueName *ValName = this->getValueName();
+ if (!ValName || !isIntrinsic()) {
+ IntID = Intrinsic::not_intrinsic;
+ return;
+ }
+ IntID = lookupIntrinsicID(ValName);
+}
+
+/// Returns a stable mangling for the type specified for use in the name
+/// mangling scheme used by 'any' types in intrinsic signatures. The mangling
+/// of named types is simply their name. Manglings for unnamed types consist
+/// of a prefix ('p' for pointers, 'a' for arrays, 'f_' for functions)
+/// combined with the mangling of their component types. A vararg function
+/// type will have a suffix of 'vararg'. Since function types can contain
+/// other function types, we close a function type mangling with suffix 'f'
+/// which can't be confused with it's prefix. This ensures we don't have
+/// collisions between two unrelated function types. Otherwise, you might
+/// parse ffXX as f(fXX) or f(fX)X. (X is a placeholder for any other type.)
+/// Manglings of integers, floats, and vectors ('i', 'f', and 'v' prefix in most
+/// cases) fall back to the MVT codepath, where they could be mangled to
+/// 'x86mmx', for example; matching on derived types is not sufficient to mangle
+/// everything.
+static std::string getMangledTypeStr(Type* Ty) {
+ std::string Result;
+ if (PointerType* PTyp = dyn_cast<PointerType>(Ty)) {
+ Result += "p" + llvm::utostr(PTyp->getAddressSpace()) +
+ getMangledTypeStr(PTyp->getElementType());
+ } else if (ArrayType* ATyp = dyn_cast<ArrayType>(Ty)) {
+ Result += "a" + llvm::utostr(ATyp->getNumElements()) +
+ getMangledTypeStr(ATyp->getElementType());
+ } else if (StructType* STyp = dyn_cast<StructType>(Ty)) {
+ assert(!STyp->isLiteral() && "TODO: implement literal types");
+ Result += STyp->getName();
+ } else if (FunctionType* FT = dyn_cast<FunctionType>(Ty)) {
+ Result += "f_" + getMangledTypeStr(FT->getReturnType());
+ for (size_t i = 0; i < FT->getNumParams(); i++)
+ Result += getMangledTypeStr(FT->getParamType(i));
+ if (FT->isVarArg())
+ Result += "vararg";
+ // Ensure nested function types are distinguishable.
+ Result += "f";
+ } else if (Ty)
+ Result += EVT::getEVT(Ty).getEVTString();
+ return Result;
}
std::string Intrinsic::getName(ID id, ArrayRef<Type*> Tys) {
static const char * const Table[] = {
"not_intrinsic",
#define GET_INTRINSIC_NAME_TABLE
-#include "llvm/Intrinsics.gen"
+#include "llvm/IR/Intrinsics.gen"
#undef GET_INTRINSIC_NAME_TABLE
};
if (Tys.empty())
return Table[id];
std::string Result(Table[id]);
for (unsigned i = 0; i < Tys.size(); ++i) {
- if (PointerType* PTyp = dyn_cast<PointerType>(Tys[i])) {
- Result += ".p" + llvm::utostr(PTyp->getAddressSpace()) +
- EVT::getEVT(PTyp->getElementType()).getEVTString();
- }
- else if (Tys[i])
- Result += "." + EVT::getEVT(Tys[i]).getEVTString();
+ Result += "." + getMangledTypeStr(Tys[i]);
}
return Result;
}
IIT_I16 = 3,
IIT_I32 = 4,
IIT_I64 = 5,
- IIT_F32 = 6,
- IIT_F64 = 7,
- IIT_V2 = 8,
- IIT_V4 = 9,
- IIT_V8 = 10,
- IIT_V16 = 11,
- IIT_V32 = 12,
- IIT_MMX = 13,
+ IIT_F16 = 6,
+ IIT_F32 = 7,
+ IIT_F64 = 8,
+ IIT_V2 = 9,
+ IIT_V4 = 10,
+ IIT_V8 = 11,
+ IIT_V16 = 12,
+ IIT_V32 = 13,
IIT_PTR = 14,
IIT_ARG = 15,
// Values from 16+ are only encodable with the inefficient encoding.
- IIT_METADATA = 16,
- IIT_EMPTYSTRUCT = 17,
- IIT_STRUCT2 = 18,
- IIT_STRUCT3 = 19,
- IIT_STRUCT4 = 20,
- IIT_STRUCT5 = 21,
- IIT_EXTEND_VEC_ARG = 22,
- IIT_TRUNC_VEC_ARG = 23,
- IIT_ANYPTR = 24
+ IIT_V64 = 16,
+ IIT_MMX = 17,
+ IIT_METADATA = 18,
+ IIT_EMPTYSTRUCT = 19,
+ IIT_STRUCT2 = 20,
+ IIT_STRUCT3 = 21,
+ IIT_STRUCT4 = 22,
+ IIT_STRUCT5 = 23,
+ IIT_EXTEND_ARG = 24,
+ IIT_TRUNC_ARG = 25,
+ IIT_ANYPTR = 26,
+ IIT_V1 = 27,
+ IIT_VARARG = 28,
+ IIT_HALF_VEC_ARG = 29,
+ IIT_SAME_VEC_WIDTH_ARG = 30,
+ IIT_PTR_TO_ARG = 31,
+ IIT_VEC_OF_PTRS_TO_ELT = 32,
+ IIT_I128 = 33
};
case IIT_Done:
OutputTable.push_back(IITDescriptor::get(IITDescriptor::Void, 0));
return;
+ case IIT_VARARG:
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::VarArg, 0));
+ return;
case IIT_MMX:
OutputTable.push_back(IITDescriptor::get(IITDescriptor::MMX, 0));
return;
case IIT_METADATA:
OutputTable.push_back(IITDescriptor::get(IITDescriptor::Metadata, 0));
return;
+ case IIT_F16:
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Half, 0));
+ return;
case IIT_F32:
OutputTable.push_back(IITDescriptor::get(IITDescriptor::Float, 0));
return;
case IIT_I64:
OutputTable.push_back(IITDescriptor::get(IITDescriptor::Integer, 64));
return;
+ case IIT_I128:
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Integer, 128));
+ return;
+ case IIT_V1:
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Vector, 1));
+ DecodeIITType(NextElt, Infos, OutputTable);
+ return;
case IIT_V2:
OutputTable.push_back(IITDescriptor::get(IITDescriptor::Vector, 2));
DecodeIITType(NextElt, Infos, OutputTable);
OutputTable.push_back(IITDescriptor::get(IITDescriptor::Vector, 32));
DecodeIITType(NextElt, Infos, OutputTable);
return;
+ case IIT_V64:
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Vector, 64));
+ DecodeIITType(NextElt, Infos, OutputTable);
+ return;
case IIT_PTR:
OutputTable.push_back(IITDescriptor::get(IITDescriptor::Pointer, 0));
DecodeIITType(NextElt, Infos, OutputTable);
OutputTable.push_back(IITDescriptor::get(IITDescriptor::Argument, ArgInfo));
return;
}
- case IIT_EXTEND_VEC_ARG: {
+ case IIT_EXTEND_ARG: {
+ unsigned ArgInfo = (NextElt == Infos.size() ? 0 : Infos[NextElt++]);
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::ExtendArgument,
+ ArgInfo));
+ return;
+ }
+ case IIT_TRUNC_ARG: {
+ unsigned ArgInfo = (NextElt == Infos.size() ? 0 : Infos[NextElt++]);
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::TruncArgument,
+ ArgInfo));
+ return;
+ }
+ case IIT_HALF_VEC_ARG: {
+ unsigned ArgInfo = (NextElt == Infos.size() ? 0 : Infos[NextElt++]);
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::HalfVecArgument,
+ ArgInfo));
+ return;
+ }
+ case IIT_SAME_VEC_WIDTH_ARG: {
+ unsigned ArgInfo = (NextElt == Infos.size() ? 0 : Infos[NextElt++]);
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::SameVecWidthArgument,
+ ArgInfo));
+ return;
+ }
+ case IIT_PTR_TO_ARG: {
unsigned ArgInfo = (NextElt == Infos.size() ? 0 : Infos[NextElt++]);
- OutputTable.push_back(IITDescriptor::get(IITDescriptor::ExtendVecArgument,
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::PtrToArgument,
ArgInfo));
return;
}
- case IIT_TRUNC_VEC_ARG: {
+ case IIT_VEC_OF_PTRS_TO_ELT: {
unsigned ArgInfo = (NextElt == Infos.size() ? 0 : Infos[NextElt++]);
- OutputTable.push_back(IITDescriptor::get(IITDescriptor::TruncVecArgument,
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::VecOfPtrsToElt,
ArgInfo));
return;
}
#define GET_INTRINSIC_GENERATOR_GLOBAL
-#include "llvm/Intrinsics.gen"
+#include "llvm/IR/Intrinsics.gen"
#undef GET_INTRINSIC_GENERATOR_GLOBAL
void Intrinsic::getIntrinsicInfoTableEntries(ID id,
switch (D.Kind) {
case IITDescriptor::Void: return Type::getVoidTy(Context);
+ case IITDescriptor::VarArg: return Type::getVoidTy(Context);
case IITDescriptor::MMX: return Type::getX86_MMXTy(Context);
case IITDescriptor::Metadata: return Type::getMetadataTy(Context);
+ case IITDescriptor::Half: return Type::getHalfTy(Context);
case IITDescriptor::Float: return Type::getFloatTy(Context);
case IITDescriptor::Double: return Type::getDoubleTy(Context);
assert(D.Struct_NumElements <= 5 && "Can't handle this yet");
for (unsigned i = 0, e = D.Struct_NumElements; i != e; ++i)
Elts[i] = DecodeFixedType(Infos, Tys, Context);
- return StructType::get(Context, ArrayRef<Type*>(Elts,D.Struct_NumElements));
+ return StructType::get(Context, makeArrayRef(Elts,D.Struct_NumElements));
}
case IITDescriptor::Argument:
return Tys[D.getArgumentNumber()];
- case IITDescriptor::ExtendVecArgument:
- return VectorType::getExtendedElementVectorType(cast<VectorType>(
- Tys[D.getArgumentNumber()]));
+ case IITDescriptor::ExtendArgument: {
+ Type *Ty = Tys[D.getArgumentNumber()];
+ if (VectorType *VTy = dyn_cast<VectorType>(Ty))
+ return VectorType::getExtendedElementVectorType(VTy);
- case IITDescriptor::TruncVecArgument:
- return VectorType::getTruncatedElementVectorType(cast<VectorType>(
+ return IntegerType::get(Context, 2 * cast<IntegerType>(Ty)->getBitWidth());
+ }
+ case IITDescriptor::TruncArgument: {
+ Type *Ty = Tys[D.getArgumentNumber()];
+ if (VectorType *VTy = dyn_cast<VectorType>(Ty))
+ return VectorType::getTruncatedElementVectorType(VTy);
+
+ IntegerType *ITy = cast<IntegerType>(Ty);
+ assert(ITy->getBitWidth() % 2 == 0);
+ return IntegerType::get(Context, ITy->getBitWidth() / 2);
+ }
+ case IITDescriptor::HalfVecArgument:
+ return VectorType::getHalfElementsVectorType(cast<VectorType>(
Tys[D.getArgumentNumber()]));
+ case IITDescriptor::SameVecWidthArgument: {
+ Type *EltTy = DecodeFixedType(Infos, Tys, Context);
+ Type *Ty = Tys[D.getArgumentNumber()];
+ if (VectorType *VTy = dyn_cast<VectorType>(Ty)) {
+ return VectorType::get(EltTy, VTy->getNumElements());
+ }
+ llvm_unreachable("unhandled");
+ }
+ case IITDescriptor::PtrToArgument: {
+ Type *Ty = Tys[D.getArgumentNumber()];
+ return PointerType::getUnqual(Ty);
}
+ case IITDescriptor::VecOfPtrsToElt: {
+ Type *Ty = Tys[D.getArgumentNumber()];
+ VectorType *VTy = dyn_cast<VectorType>(Ty);
+ if (!VTy)
+ llvm_unreachable("Expected an argument of Vector Type");
+ Type *EltTy = VTy->getVectorElementType();
+ return VectorType::get(PointerType::getUnqual(EltTy),
+ VTy->getNumElements());
+ }
+ }
llvm_unreachable("unhandled");
}
while (!TableRef.empty())
ArgTys.push_back(DecodeFixedType(TableRef, Tys, Context));
+ // DecodeFixedType returns Void for IITDescriptor::Void and IITDescriptor::VarArg
+ // If we see void type as the type of the last argument, it is vararg intrinsic
+ if (!ArgTys.empty() && ArgTys.back()->isVoidTy()) {
+ ArgTys.pop_back();
+ return FunctionType::get(ResultTy, ArgTys, true);
+ }
return FunctionType::get(ResultTy, ArgTys, false);
}
bool Intrinsic::isOverloaded(ID id) {
#define GET_INTRINSIC_OVERLOAD_TABLE
-#include "llvm/Intrinsics.gen"
+#include "llvm/IR/Intrinsics.gen"
#undef GET_INTRINSIC_OVERLOAD_TABLE
}
+bool Intrinsic::isLeaf(ID id) {
+ switch (id) {
+ default:
+ return true;
+
+ case Intrinsic::experimental_gc_statepoint:
+ case Intrinsic::experimental_patchpoint_void:
+ case Intrinsic::experimental_patchpoint_i64:
+ return false;
+ }
+}
+
/// This defines the "Intrinsic::getAttributes(ID id)" method.
#define GET_INTRINSIC_ATTRIBUTES
-#include "llvm/Intrinsics.gen"
+#include "llvm/IR/Intrinsics.gen"
#undef GET_INTRINSIC_ATTRIBUTES
Function *Intrinsic::getDeclaration(Module *M, ID id, ArrayRef<Type*> Tys) {
// This defines the "Intrinsic::getIntrinsicForGCCBuiltin()" method.
#define GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN
-#include "llvm/Intrinsics.gen"
+#include "llvm/IR/Intrinsics.gen"
#undef GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN
+// This defines the "Intrinsic::getIntrinsicForMSBuiltin()" method.
+#define GET_LLVM_INTRINSIC_FOR_MS_BUILTIN
+#include "llvm/IR/Intrinsics.gen"
+#undef GET_LLVM_INTRINSIC_FOR_MS_BUILTIN
+
/// hasAddressTaken - returns true if there are any uses of this function
/// other than direct calls or invokes to it.
bool Function::hasAddressTaken(const User* *PutOffender) const {
- for (Value::const_use_iterator I = use_begin(), E = use_end(); I != E; ++I) {
- const User *U = *I;
- if (isa<BlockAddress>(U))
+ for (const Use &U : uses()) {
+ const User *FU = U.getUser();
+ if (isa<BlockAddress>(FU))
continue;
- if (!isa<CallInst>(U) && !isa<InvokeInst>(U))
- return PutOffender ? (*PutOffender = U, true) : true;
- ImmutableCallSite CS(cast<Instruction>(U));
- if (!CS.isCallee(I))
- return PutOffender ? (*PutOffender = U, true) : true;
+ if (!isa<CallInst>(FU) && !isa<InvokeInst>(FU))
+ return PutOffender ? (*PutOffender = FU, true) : true;
+ ImmutableCallSite CS(cast<Instruction>(FU));
+ if (!CS.isCallee(&U))
+ return PutOffender ? (*PutOffender = FU, true) : true;
}
return false;
}
return false;
// Check if the function is used by anything other than a blockaddress.
- for (Value::const_use_iterator I = use_begin(), E = use_end(); I != E; ++I)
- if (!isa<BlockAddress>(*I))
+ for (const User *U : users())
+ if (!isa<BlockAddress>(U))
return false;
return true;
bool Function::callsFunctionThatReturnsTwice() const {
for (const_inst_iterator
I = inst_begin(this), E = inst_end(this); I != E; ++I) {
- const CallInst* callInst = dyn_cast<CallInst>(&*I);
- if (!callInst)
- continue;
- if (callInst->canReturnTwice())
+ ImmutableCallSite CS(&*I);
+ if (CS && CS.hasFnAttr(Attribute::ReturnsTwice))
return true;
}
return false;
}
+Constant *Function::getPrefixData() const {
+ assert(hasPrefixData());
+ const LLVMContextImpl::PrefixDataMapTy &PDMap =
+ getContext().pImpl->PrefixDataMap;
+ assert(PDMap.find(this) != PDMap.end());
+ return cast<Constant>(PDMap.find(this)->second->getReturnValue());
+}
+
+void Function::setPrefixData(Constant *PrefixData) {
+ if (!PrefixData && !hasPrefixData())
+ return;
+
+ unsigned SCData = getSubclassDataFromValue();
+ LLVMContextImpl::PrefixDataMapTy &PDMap = getContext().pImpl->PrefixDataMap;
+ ReturnInst *&PDHolder = PDMap[this];
+ if (PrefixData) {
+ if (PDHolder)
+ PDHolder->setOperand(0, PrefixData);
+ else
+ PDHolder = ReturnInst::Create(getContext(), PrefixData);
+ SCData |= (1<<1);
+ } else {
+ delete PDHolder;
+ PDMap.erase(this);
+ SCData &= ~(1<<1);
+ }
+ setValueSubclassData(SCData);
+}
+
+Constant *Function::getPrologueData() const {
+ assert(hasPrologueData());
+ const LLVMContextImpl::PrologueDataMapTy &SOMap =
+ getContext().pImpl->PrologueDataMap;
+ assert(SOMap.find(this) != SOMap.end());
+ return cast<Constant>(SOMap.find(this)->second->getReturnValue());
+}
+
+void Function::setPrologueData(Constant *PrologueData) {
+ if (!PrologueData && !hasPrologueData())
+ return;
+
+ unsigned PDData = getSubclassDataFromValue();
+ LLVMContextImpl::PrologueDataMapTy &PDMap = getContext().pImpl->PrologueDataMap;
+ ReturnInst *&PDHolder = PDMap[this];
+ if (PrologueData) {
+ if (PDHolder)
+ PDHolder->setOperand(0, PrologueData);
+ else
+ PDHolder = ReturnInst::Create(getContext(), PrologueData);
+ PDData |= (1<<2);
+ } else {
+ delete PDHolder;
+ PDMap.erase(this);
+ PDData &= ~(1<<2);
+ }
+ setValueSubclassData(PDData);
+}
+
+void Function::setEntryCount(uint64_t Count) {
+ MDBuilder MDB(getContext());
+ setMetadata(LLVMContext::MD_prof, MDB.createFunctionEntryCount(Count));
+}
+
+Optional<uint64_t> Function::getEntryCount() const {
+ MDNode *MD = getMetadata(LLVMContext::MD_prof);
+ if (MD && MD->getOperand(0))
+ if (MDString *MDS = dyn_cast<MDString>(MD->getOperand(0)))
+ if (MDS->getString().equals("function_entry_count")) {
+ ConstantInt *CI = mdconst::extract<ConstantInt>(MD->getOperand(1));
+ return CI->getValue().getZExtValue();
+ }
+ return None;
+}
+
+void Function::setPersonalityFn(Constant *C) {
+ if (!C) {
+ if (hasPersonalityFn()) {
+ // Note, the num operands is used to compute the offset of the operand, so
+ // the order here matters. Clearing the operand then clearing the num
+ // operands ensures we have the correct offset to the operand.
+ Op<0>().set(nullptr);
+ setFunctionNumOperands(0);
+ }
+ } else {
+ // Note, the num operands is used to compute the offset of the operand, so
+ // the order here matters. We need to set num operands to 1 first so that
+ // we get the correct offset to the first operand when we set it.
+ if (!hasPersonalityFn())
+ setFunctionNumOperands(1);
+ Op<0>().set(C);
+ }
+}