//
//===----------------------------------------------------------------------===//
-#include "llvm/Type.h"
+#include "llvm/IR/Type.h"
#include "LLVMContextImpl.h"
#include "llvm/ADT/SmallString.h"
-#include "llvm/Module.h"
+#include "llvm/IR/Module.h"
#include <algorithm>
#include <cstdarg>
using namespace llvm;
case LabelTyID : return getLabelTy(C);
case MetadataTyID : return getMetadataTy(C);
case X86_MMXTyID : return getX86_MMXTy(C);
+ case TokenTyID : return getTokenTy(C);
default:
- return 0;
+ return nullptr;
}
}
/// getScalarType - If this is a vector type, return the element type,
/// otherwise return this.
-Type *Type::getScalarType() {
- if (VectorType *VTy = dyn_cast<VectorType>(this))
+Type *Type::getScalarType() const {
+ if (auto *VTy = dyn_cast<VectorType>(this))
return VTy->getElementType();
- return this;
-}
-
-const Type *Type::getScalarType() const {
- if (const VectorType *VTy = dyn_cast<VectorType>(this))
- return VTy->getElementType();
- return this;
+ return const_cast<Type*>(this);
}
/// isIntegerTy - Return true if this is an IntegerType of the specified width.
// Vector -> Vector conversions are always lossless if the two vector types
// have the same size, otherwise not. Also, 64-bit vector types can be
// converted to x86mmx.
- if (const VectorType *thisPTy = dyn_cast<VectorType>(this)) {
- if (const VectorType *thatPTy = dyn_cast<VectorType>(Ty))
+ if (auto *thisPTy = dyn_cast<VectorType>(this)) {
+ if (auto *thatPTy = dyn_cast<VectorType>(Ty))
return thisPTy->getBitWidth() == thatPTy->getBitWidth();
if (Ty->getTypeID() == Type::X86_MMXTyID &&
thisPTy->getBitWidth() == 64)
}
if (this->getTypeID() == Type::X86_MMXTyID)
- if (const VectorType *thatPTy = dyn_cast<VectorType>(Ty))
+ if (auto *thatPTy = dyn_cast<VectorType>(Ty))
if (thatPTy->getBitWidth() == 64)
return true;
// At this point we have only various mismatches of the first class types
// remaining and ptr->ptr. Just select the lossless conversions. Everything
- // else is not lossless.
- if (this->isPointerTy())
- return Ty->isPointerTy();
+ // else is not lossless. Conservatively assume we can't losslessly convert
+ // between pointers with different address spaces.
+ if (auto *PTy = dyn_cast<PointerType>(this)) {
+ if (auto *OtherPTy = dyn_cast<PointerType>(Ty))
+ return PTy->getAddressSpace() == OtherPTy->getAddressSpace();
+ return false;
+ }
return false; // Other types have no identity values
}
bool Type::isEmptyTy() const {
- const ArrayType *ATy = dyn_cast<ArrayType>(this);
- if (ATy) {
+ if (auto *ATy = dyn_cast<ArrayType>(this)) {
unsigned NumElements = ATy->getNumElements();
return NumElements == 0 || ATy->getElementType()->isEmptyTy();
}
- const StructType *STy = dyn_cast<StructType>(this);
- if (STy) {
+ if (auto *STy = dyn_cast<StructType>(this)) {
unsigned NumElements = STy->getNumElements();
for (unsigned i = 0; i < NumElements; ++i)
if (!STy->getElementType(i)->isEmptyTy())
/// getScalarSizeInBits - If this is a vector type, return the
/// getPrimitiveSizeInBits value for the element type. Otherwise return the
/// getPrimitiveSizeInBits value for this type.
-unsigned Type::getScalarSizeInBits() {
+unsigned Type::getScalarSizeInBits() const {
return getScalarType()->getPrimitiveSizeInBits();
}
/// is only valid on floating point types. If the FP type does not
/// have a stable mantissa (e.g. ppc long double), this method returns -1.
int Type::getFPMantissaWidth() const {
- if (const VectorType *VTy = dyn_cast<VectorType>(this))
+ if (auto *VTy = dyn_cast<VectorType>(this))
return VTy->getElementType()->getFPMantissaWidth();
assert(isFloatingPointTy() && "Not a floating point type!");
if (getTypeID() == HalfTyID) return 11;
/// isSizedDerivedType - Derived types like structures and arrays are sized
/// iff all of the members of the type are sized as well. Since asking for
/// their size is relatively uncommon, move this operation out of line.
-bool Type::isSizedDerivedType() const {
- if (this->isIntegerTy())
- return true;
+bool Type::isSizedDerivedType(SmallPtrSetImpl<Type*> *Visited) const {
+ if (auto *ATy = dyn_cast<ArrayType>(this))
+ return ATy->getElementType()->isSized(Visited);
- if (const ArrayType *ATy = dyn_cast<ArrayType>(this))
- return ATy->getElementType()->isSized();
+ if (auto *VTy = dyn_cast<VectorType>(this))
+ return VTy->getElementType()->isSized(Visited);
- if (const VectorType *VTy = dyn_cast<VectorType>(this))
- return VTy->getElementType()->isSized();
-
- if (!this->isStructTy())
- return false;
-
- return cast<StructType>(this)->isSized();
+ return cast<StructType>(this)->isSized(Visited);
}
//===----------------------------------------------------------------------===//
Type *Type::getFloatTy(LLVMContext &C) { return &C.pImpl->FloatTy; }
Type *Type::getDoubleTy(LLVMContext &C) { return &C.pImpl->DoubleTy; }
Type *Type::getMetadataTy(LLVMContext &C) { return &C.pImpl->MetadataTy; }
+Type *Type::getTokenTy(LLVMContext &C) { return &C.pImpl->TokenTy; }
Type *Type::getX86_FP80Ty(LLVMContext &C) { return &C.pImpl->X86_FP80Ty; }
Type *Type::getFP128Ty(LLVMContext &C) { return &C.pImpl->FP128Ty; }
Type *Type::getPPC_FP128Ty(LLVMContext &C) { return &C.pImpl->PPC_FP128Ty; }
IntegerType *Type::getInt16Ty(LLVMContext &C) { return &C.pImpl->Int16Ty; }
IntegerType *Type::getInt32Ty(LLVMContext &C) { return &C.pImpl->Int32Ty; }
IntegerType *Type::getInt64Ty(LLVMContext &C) { return &C.pImpl->Int64Ty; }
+IntegerType *Type::getInt128Ty(LLVMContext &C) { return &C.pImpl->Int128Ty; }
IntegerType *Type::getIntNTy(LLVMContext &C, unsigned N) {
return IntegerType::get(C, N);
// Check for the built-in integer types
switch (NumBits) {
- case 1: return cast<IntegerType>(Type::getInt1Ty(C));
- case 8: return cast<IntegerType>(Type::getInt8Ty(C));
- case 16: return cast<IntegerType>(Type::getInt16Ty(C));
- case 32: return cast<IntegerType>(Type::getInt32Ty(C));
- case 64: return cast<IntegerType>(Type::getInt64Ty(C));
- default:
+ case 1: return cast<IntegerType>(Type::getInt1Ty(C));
+ case 8: return cast<IntegerType>(Type::getInt8Ty(C));
+ case 16: return cast<IntegerType>(Type::getInt16Ty(C));
+ case 32: return cast<IntegerType>(Type::getInt32Ty(C));
+ case 64: return cast<IntegerType>(Type::getInt64Ty(C));
+ case 128: return cast<IntegerType>(Type::getInt128Ty(C));
+ default:
break;
}
IntegerType *&Entry = C.pImpl->IntegerTypes[NumBits];
-
- if (Entry == 0)
+
+ if (!Entry)
Entry = new (C.pImpl->TypeAllocator) IntegerType(C, NumBits);
return Entry;
assert(isValidReturnType(Result) && "invalid return type for function");
setSubclassData(IsVarArgs);
- SubTys[0] = const_cast<Type*>(Result);
+ SubTys[0] = Result;
for (unsigned i = 0, e = Params.size(); i != e; ++i) {
assert(isValidArgumentType(Params[i]) &&
ArrayRef<Type*> Params, bool isVarArg) {
LLVMContextImpl *pImpl = ReturnType->getContext().pImpl;
FunctionTypeKeyInfo::KeyTy Key(ReturnType, Params, isVarArg);
- LLVMContextImpl::FunctionTypeMap::iterator I =
- pImpl->FunctionTypes.find_as(Key);
+ auto I = pImpl->FunctionTypes.find_as(Key);
FunctionType *FT;
if (I == pImpl->FunctionTypes.end()) {
Allocate(sizeof(FunctionType) + sizeof(Type*) * (Params.size() + 1),
AlignOf<FunctionType>::Alignment);
new (FT) FunctionType(ReturnType, Params, isVarArg);
- pImpl->FunctionTypes[FT] = true;
+ pImpl->FunctionTypes.insert(FT);
} else {
- FT = I->first;
+ FT = *I;
}
return FT;
}
FunctionType *FunctionType::get(Type *Result, bool isVarArg) {
- return get(Result, ArrayRef<Type *>(), isVarArg);
+ return get(Result, None, isVarArg);
}
/// isValidReturnType - Return true if the specified type is valid as a return
bool isPacked) {
LLVMContextImpl *pImpl = Context.pImpl;
AnonStructTypeKeyInfo::KeyTy Key(ETypes, isPacked);
- LLVMContextImpl::StructTypeMap::iterator I =
- pImpl->AnonStructTypes.find_as(Key);
+ auto I = pImpl->AnonStructTypes.find_as(Key);
StructType *ST;
if (I == pImpl->AnonStructTypes.end()) {
ST = new (Context.pImpl->TypeAllocator) StructType(Context);
ST->setSubclassData(SCDB_IsLiteral); // Literal struct.
ST->setBody(ETypes, isPacked);
- Context.pImpl->AnonStructTypes[ST] = true;
+ Context.pImpl->AnonStructTypes.insert(ST);
} else {
- ST = I->first;
+ ST = *I;
}
return ST;
if (isPacked)
setSubclassData(getSubclassData() | SCDB_Packed);
- unsigned NumElements = Elements.size();
- Type **Elts = getContext().pImpl->TypeAllocator.Allocate<Type*>(NumElements);
- memcpy(Elts, Elements.data(), sizeof(Elements[0]) * NumElements);
-
- ContainedTys = Elts;
- NumContainedTys = NumElements;
+ NumContainedTys = Elements.size();
+
+ if (Elements.empty()) {
+ ContainedTys = nullptr;
+ return;
+ }
+
+ ContainedTys = Elements.copy(getContext().pImpl->TypeAllocator).data();
}
void StructType::setName(StringRef Name) {
if (SymbolTableEntry) {
// Delete the old string data.
((EntryTy *)SymbolTableEntry)->Destroy(SymbolTable.getAllocator());
- SymbolTableEntry = 0;
+ SymbolTableEntry = nullptr;
}
return;
}
// Look up the entry for the name.
- EntryTy *Entry = &getContext().pImpl->NamedStructTypes.GetOrCreateValue(Name);
-
+ auto IterBool =
+ getContext().pImpl->NamedStructTypes.insert(std::make_pair(Name, this));
+
// While we have a name collision, try a random rename.
- if (Entry->getValue()) {
+ if (!IterBool.second) {
SmallString<64> TempStr(Name);
TempStr.push_back('.');
raw_svector_ostream TmpStream(TempStr);
do {
TempStr.resize(NameSize + 1);
- TmpStream.resync();
TmpStream << getContext().pImpl->NamedStructTypesUniqueID++;
-
- Entry = &getContext().pImpl->
- NamedStructTypes.GetOrCreateValue(TmpStream.str());
- } while (Entry->getValue());
- }
- // Okay, we found an entry that isn't used. It's us!
- Entry->setValue(this);
+ IterBool = getContext().pImpl->NamedStructTypes.insert(
+ std::make_pair(TmpStream.str(), this));
+ } while (!IterBool.second);
+ }
// Delete the old string data.
if (SymbolTableEntry)
((EntryTy *)SymbolTableEntry)->Destroy(SymbolTable.getAllocator());
- SymbolTableEntry = Entry;
+ SymbolTableEntry = &*IterBool.first;
}
//===----------------------------------------------------------------------===//
}
StructType *StructType::get(LLVMContext &Context, bool isPacked) {
- return get(Context, llvm::ArrayRef<Type*>(), isPacked);
+ return get(Context, None, isPacked);
}
StructType *StructType::get(Type *type, ...) {
- assert(type != 0 && "Cannot create a struct type with no elements with this");
+ assert(type && "Cannot create a struct type with no elements with this");
LLVMContext &Ctx = type->getContext();
va_list ap;
SmallVector<llvm::Type*, 8> StructFields;
StructFields.push_back(type);
type = va_arg(ap, llvm::Type*);
}
- return llvm::StructType::get(Ctx, StructFields);
+ auto *Ret = llvm::StructType::get(Ctx, StructFields);
+ va_end(ap);
+ return Ret;
}
StructType *StructType::create(LLVMContext &Context, ArrayRef<Type*> Elements,
}
StructType *StructType::create(StringRef Name, Type *type, ...) {
- assert(type != 0 && "Cannot create a struct type with no elements with this");
+ assert(type && "Cannot create a struct type with no elements with this");
LLVMContext &Ctx = type->getContext();
va_list ap;
SmallVector<llvm::Type*, 8> StructFields;
StructFields.push_back(type);
type = va_arg(ap, llvm::Type*);
}
- return llvm::StructType::create(Ctx, StructFields, Name);
+ auto *Ret = llvm::StructType::create(Ctx, StructFields, Name);
+ va_end(ap);
+ return Ret;
}
-bool StructType::isSized() const {
+bool StructType::isSized(SmallPtrSetImpl<Type*> *Visited) const {
if ((getSubclassData() & SCDB_IsSized) != 0)
return true;
if (isOpaque())
return false;
+ if (Visited && !Visited->insert(const_cast<StructType*>(this)).second)
+ return false;
+
// Okay, our struct is sized if all of the elements are, but if one of the
// elements is opaque, the struct isn't sized *yet*, but may become sized in
// the future, so just bail out without caching.
for (element_iterator I = element_begin(), E = element_end(); I != E; ++I)
- if (!(*I)->isSized())
+ if (!(*I)->isSized(Visited))
return false;
// Here we cheat a bit and cast away const-ness. The goal is to memoize when
StringRef StructType::getName() const {
assert(!isLiteral() && "Literal structs never have names");
- if (SymbolTableEntry == 0) return StringRef();
-
+ if (!SymbolTableEntry) return StringRef();
+
return ((StringMapEntry<StructType*> *)SymbolTableEntry)->getKey();
}
void StructType::setBody(Type *type, ...) {
- assert(type != 0 && "Cannot create a struct type with no elements with this");
+ assert(type && "Cannot create a struct type with no elements with this");
va_list ap;
SmallVector<llvm::Type*, 8> StructFields;
va_start(ap, type);
type = va_arg(ap, llvm::Type*);
}
setBody(StructFields);
+ va_end(ap);
}
bool StructType::isValidElementType(Type *ElemTy) {
return !ElemTy->isVoidTy() && !ElemTy->isLabelTy() &&
- !ElemTy->isMetadataTy() && !ElemTy->isFunctionTy();
+ !ElemTy->isMetadataTy() && !ElemTy->isFunctionTy() &&
+ !ElemTy->isTokenTy();
}
/// isLayoutIdentical - Return true if this is layout identical to the
/// specified struct.
bool StructType::isLayoutIdentical(StructType *Other) const {
if (this == Other) return true;
-
- if (isPacked() != Other->isPacked() ||
- getNumElements() != Other->getNumElements())
+
+ if (isPacked() != Other->isPacked())
return false;
-
- return std::equal(element_begin(), element_end(), Other->element_begin());
+
+ return elements() == Other->elements();
}
/// getTypeByName - Return the type with the specified name, or null if there
/// is none by that name.
StructType *Module::getTypeByName(StringRef Name) const {
- StringMap<StructType*>::iterator I =
- getContext().pImpl->NamedStructTypes.find(Name);
- if (I != getContext().pImpl->NamedStructTypes.end())
- return I->second;
- return 0;
+ return getContext().pImpl->NamedStructTypes.lookup(Name);
}
// CompositeType Implementation
//===----------------------------------------------------------------------===//
-Type *CompositeType::getTypeAtIndex(const Value *V) {
- if (StructType *STy = dyn_cast<StructType>(this)) {
+Type *CompositeType::getTypeAtIndex(const Value *V) const {
+ if (auto *STy = dyn_cast<StructType>(this)) {
unsigned Idx =
(unsigned)cast<Constant>(V)->getUniqueInteger().getZExtValue();
assert(indexValid(Idx) && "Invalid structure index!");
return cast<SequentialType>(this)->getElementType();
}
-Type *CompositeType::getTypeAtIndex(unsigned Idx) {
- if (StructType *STy = dyn_cast<StructType>(this)) {
+
+Type *CompositeType::getTypeAtIndex(unsigned Idx) const{
+ if (auto *STy = dyn_cast<StructType>(this)) {
assert(indexValid(Idx) && "Invalid structure index!");
return STy->getElementType(Idx);
}
-
+
return cast<SequentialType>(this)->getElementType();
}
+
bool CompositeType::indexValid(const Value *V) const {
- if (const StructType *STy = dyn_cast<StructType>(this)) {
+ if (auto *STy = dyn_cast<StructType>(this)) {
// Structure indexes require (vectors of) 32-bit integer constants. In the
// vector case all of the indices must be equal.
if (!V->getType()->getScalarType()->isIntegerTy(32))
}
bool CompositeType::indexValid(unsigned Idx) const {
- if (const StructType *STy = dyn_cast<StructType>(this))
+ if (auto *STy = dyn_cast<StructType>(this))
return Idx < STy->getNumElements();
// Sequential types can be indexed by any integer.
return true;
NumElements = NumEl;
}
-ArrayType *ArrayType::get(Type *elementType, uint64_t NumElements) {
- Type *ElementType = const_cast<Type*>(elementType);
+ArrayType *ArrayType::get(Type *ElementType, uint64_t NumElements) {
assert(isValidElementType(ElementType) && "Invalid type for array element!");
-
+
LLVMContextImpl *pImpl = ElementType->getContext().pImpl;
ArrayType *&Entry =
pImpl->ArrayTypes[std::make_pair(ElementType, NumElements)];
-
- if (Entry == 0)
+
+ if (!Entry)
Entry = new (pImpl->TypeAllocator) ArrayType(ElementType, NumElements);
return Entry;
}
bool ArrayType::isValidElementType(Type *ElemTy) {
return !ElemTy->isVoidTy() && !ElemTy->isLabelTy() &&
- !ElemTy->isMetadataTy() && !ElemTy->isFunctionTy();
+ !ElemTy->isMetadataTy() && !ElemTy->isFunctionTy() &&
+ !ElemTy->isTokenTy();
}
//===----------------------------------------------------------------------===//
NumElements = NumEl;
}
-VectorType *VectorType::get(Type *elementType, unsigned NumElements) {
- Type *ElementType = const_cast<Type*>(elementType);
+VectorType *VectorType::get(Type *ElementType, unsigned NumElements) {
assert(NumElements > 0 && "#Elements of a VectorType must be greater than 0");
- assert(isValidElementType(ElementType) &&
- "Elements of a VectorType must be a primitive type");
-
+ assert(isValidElementType(ElementType) && "Element type of a VectorType must "
+ "be an integer, floating point, or "
+ "pointer type.");
+
LLVMContextImpl *pImpl = ElementType->getContext().pImpl;
VectorType *&Entry = ElementType->getContext().pImpl
->VectorTypes[std::make_pair(ElementType, NumElements)];
-
- if (Entry == 0)
+
+ if (!Entry)
Entry = new (pImpl->TypeAllocator) VectorType(ElementType, NumElements);
return Entry;
}
PointerType *&Entry = AddressSpace == 0 ? CImpl->PointerTypes[EltTy]
: CImpl->ASPointerTypes[std::make_pair(EltTy, AddressSpace)];
- if (Entry == 0)
+ if (!Entry)
Entry = new (CImpl->TypeAllocator) PointerType(EltTy, AddressSpace);
return Entry;
}
assert(oldNCT == NumContainedTys && "bitfield written out of bounds?");
}
-PointerType *Type::getPointerTo(unsigned addrs) {
- return PointerType::get(this, addrs);
+PointerType *Type::getPointerTo(unsigned addrs) const {
+ return PointerType::get(const_cast<Type*>(this), addrs);
}
bool PointerType::isValidElementType(Type *ElemTy) {
return !ElemTy->isVoidTy() && !ElemTy->isLabelTy() &&
- !ElemTy->isMetadataTy();
+ !ElemTy->isMetadataTy() && !ElemTy->isTokenTy();
+}
+
+bool PointerType::isLoadableOrStorableType(Type *ElemTy) {
+ return isValidElementType(ElemTy) && !ElemTy->isFunctionTy();
}
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