aboutsummaryrefslogtreecommitdiff
path: root/lib/IR/Type.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/IR/Type.cpp')
-rw-r--r--lib/IR/Type.cpp154
1 files changed, 49 insertions, 105 deletions
diff --git a/lib/IR/Type.cpp b/lib/IR/Type.cpp
index a9ca80034ca74..4c1baf52a58fd 100644
--- a/lib/IR/Type.cpp
+++ b/lib/IR/Type.cpp
@@ -35,6 +35,7 @@ Type *Type::getPrimitiveType(LLVMContext &C, TypeID IDNumber) {
case LabelTyID : return getLabelTy(C);
case MetadataTyID : return getMetadataTy(C);
case X86_MMXTyID : return getX86_MMXTy(C);
+ case TokenTyID : return getTokenTy(C);
default:
return nullptr;
}
@@ -42,16 +43,10 @@ Type *Type::getPrimitiveType(LLVMContext &C, TypeID IDNumber) {
/// 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.
@@ -74,8 +69,8 @@ bool Type::canLosslesslyBitCastTo(Type *Ty) const {
// 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)
@@ -83,7 +78,7 @@ bool Type::canLosslesslyBitCastTo(Type *Ty) const {
}
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;
@@ -91,8 +86,8 @@ bool Type::canLosslesslyBitCastTo(Type *Ty) const {
// remaining and ptr->ptr. Just select the lossless conversions. Everything
// else is not lossless. Conservatively assume we can't losslessly convert
// between pointers with different address spaces.
- if (const PointerType *PTy = dyn_cast<PointerType>(this)) {
- if (const PointerType *OtherPTy = dyn_cast<PointerType>(Ty))
+ if (auto *PTy = dyn_cast<PointerType>(this)) {
+ if (auto *OtherPTy = dyn_cast<PointerType>(Ty))
return PTy->getAddressSpace() == OtherPTy->getAddressSpace();
return false;
}
@@ -100,14 +95,12 @@ bool Type::canLosslesslyBitCastTo(Type *Ty) const {
}
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())
@@ -144,7 +137,7 @@ unsigned Type::getScalarSizeInBits() const {
/// 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;
@@ -159,66 +152,17 @@ int Type::getFPMantissaWidth() const {
/// 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(SmallPtrSetImpl<const Type*> *Visited) const {
- if (const ArrayType *ATy = dyn_cast<ArrayType>(this))
+bool Type::isSizedDerivedType(SmallPtrSetImpl<Type*> *Visited) const {
+ if (auto *ATy = dyn_cast<ArrayType>(this))
return ATy->getElementType()->isSized(Visited);
- if (const VectorType *VTy = dyn_cast<VectorType>(this))
+ if (auto *VTy = dyn_cast<VectorType>(this))
return VTy->getElementType()->isSized(Visited);
return cast<StructType>(this)->isSized(Visited);
}
//===----------------------------------------------------------------------===//
-// Subclass Helper Methods
-//===----------------------------------------------------------------------===//
-
-unsigned Type::getIntegerBitWidth() const {
- return cast<IntegerType>(this)->getBitWidth();
-}
-
-bool Type::isFunctionVarArg() const {
- return cast<FunctionType>(this)->isVarArg();
-}
-
-Type *Type::getFunctionParamType(unsigned i) const {
- return cast<FunctionType>(this)->getParamType(i);
-}
-
-unsigned Type::getFunctionNumParams() const {
- return cast<FunctionType>(this)->getNumParams();
-}
-
-StringRef Type::getStructName() const {
- return cast<StructType>(this)->getName();
-}
-
-unsigned Type::getStructNumElements() const {
- return cast<StructType>(this)->getNumElements();
-}
-
-Type *Type::getStructElementType(unsigned N) const {
- return cast<StructType>(this)->getElementType(N);
-}
-
-Type *Type::getSequentialElementType() const {
- return cast<SequentialType>(this)->getElementType();
-}
-
-uint64_t Type::getArrayNumElements() const {
- return cast<ArrayType>(this)->getNumElements();
-}
-
-unsigned Type::getVectorNumElements() const {
- return cast<VectorType>(this)->getNumElements();
-}
-
-unsigned Type::getPointerAddressSpace() const {
- return cast<PointerType>(getScalarType())->getAddressSpace();
-}
-
-
-//===----------------------------------------------------------------------===//
// Primitive 'Type' data
//===----------------------------------------------------------------------===//
@@ -228,6 +172,7 @@ Type *Type::getHalfTy(LLVMContext &C) { return &C.pImpl->HalfTy; }
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; }
@@ -345,7 +290,7 @@ FunctionType::FunctionType(Type *Result, ArrayRef<Type*> Params,
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]) &&
@@ -428,12 +373,14 @@ void StructType::setBody(ArrayRef<Type*> Elements, bool isPacked) {
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) {
@@ -470,7 +417,6 @@ void StructType::setName(StringRef Name) {
do {
TempStr.resize(NameSize + 1);
- TmpStream.resync();
TmpStream << getContext().pImpl->NamedStructTypesUniqueID++;
IterBool = getContext().pImpl->NamedStructTypes.insert(
@@ -556,13 +502,13 @@ StructType *StructType::create(StringRef Name, Type *type, ...) {
return Ret;
}
-bool StructType::isSized(SmallPtrSetImpl<const Type*> *Visited) const {
+bool StructType::isSized(SmallPtrSetImpl<Type*> *Visited) const {
if ((getSubclassData() & SCDB_IsSized) != 0)
return true;
if (isOpaque())
return false;
- if (Visited && !Visited->insert(this).second)
+ 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
@@ -602,22 +548,19 @@ void StructType::setBody(Type *type, ...) {
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;
- if (!getNumElements())
- return true;
-
- 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
@@ -631,8 +574,8 @@ StructType *Module::getTypeByName(StringRef Name) const {
// 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!");
@@ -641,16 +584,18 @@ Type *CompositeType::getTypeAtIndex(const Value *V) {
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))
@@ -667,7 +612,7 @@ bool CompositeType::indexValid(const Value *V) const {
}
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;
@@ -683,10 +628,9 @@ ArrayType::ArrayType(Type *ElType, uint64_t NumEl)
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)];
@@ -698,7 +642,8 @@ ArrayType *ArrayType::get(Type *elementType, uint64_t NumElements) {
bool ArrayType::isValidElementType(Type *ElemTy) {
return !ElemTy->isVoidTy() && !ElemTy->isLabelTy() &&
- !ElemTy->isMetadataTy() && !ElemTy->isFunctionTy();
+ !ElemTy->isMetadataTy() && !ElemTy->isFunctionTy() &&
+ !ElemTy->isTokenTy();
}
//===----------------------------------------------------------------------===//
@@ -710,8 +655,7 @@ VectorType::VectorType(Type *ElType, unsigned NumEl)
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) && "Element type of a VectorType must "
"be an integer, floating point, or "
@@ -761,13 +705,13 @@ PointerType::PointerType(Type *E, unsigned AddrSpace)
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) {
generated by cgit v1.3 (git 2.53.0) at 2026-05-31 12:31:38 +0000