//===----------------------------------------------------------------------===//
#include "LLVMContextImpl.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Constants.h"
-#include "llvm/Assembly/Writer.h"
-#include "llvm/LLVMContext.h"
-#include "llvm/Metadata.h"
-#include "llvm/ADT/DepthFirstIterator.h"
-#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/SCCIterator.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/Support/Compiler.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/System/Mutex.h"
-#include "llvm/System/RWMutex.h"
-#include "llvm/System/Threading.h"
#include <algorithm>
#include <cstdarg>
using namespace llvm;
/// Because of the way Type subclasses are allocated, this function is necessary
/// to use the correct kind of "delete" operator to deallocate the Type object.
-/// Some type objects (FunctionTy, StructTy) allocate additional space after
-/// the space for their derived type to hold the contained types array of
+/// Some type objects (FunctionTy, StructTy) allocate additional space
+/// after the space for their derived type to hold the contained types array of
/// PATypeHandles. Using this allocation scheme means all the PATypeHandles are
/// allocated with the type object, decreasing allocations and eliminating the
/// need for a std::vector to be used in the Type class itself.
/// @brief Type destruction function
void Type::destroy() const {
+ // Nothing calls getForwardedType from here on.
+ if (ForwardType && ForwardType->isAbstract()) {
+ ForwardType->dropRef();
+ ForwardType = NULL;
+ }
// Structures and Functions allocate their contained types past the end of
// the type object itself. These need to be destroyed differently than the
// other types.
- if (isa<FunctionType>(this) || isa<StructType>(this)) {
+ if (this->isFunctionTy() || this->isStructTy()) {
// First, make sure we destruct any PATypeHandles allocated by these
// subclasses. They must be manually destructed.
for (unsigned i = 0; i < NumContainedTys; ++i)
// Now call the destructor for the subclass directly because we're going
// to delete this as an array of char.
- if (isa<FunctionType>(this))
+ if (this->isFunctionTy())
static_cast<const FunctionType*>(this)->FunctionType::~FunctionType();
- else
+ else {
+ assert(isStructTy());
static_cast<const StructType*>(this)->StructType::~StructType();
+ }
// Finally, remove the memory as an array deallocation of the chars it was
// constructed from.
return;
}
+
+ if (const OpaqueType *opaque_this = dyn_cast<OpaqueType>(this)) {
+ LLVMContextImpl *pImpl = this->getContext().pImpl;
+ pImpl->OpaqueTypes.erase(opaque_this);
+ }
// For all the other type subclasses, there is either no contained types or
// just one (all Sequentials). For Sequentials, the PATypeHandle is not
case PPC_FP128TyID : return getPPC_FP128Ty(C);
case LabelTyID : return getLabelTy(C);
case MetadataTyID : return getMetadataTy(C);
+ case X86_MMXTyID : return getX86_MMXTy(C);
default:
return 0;
}
}
-const Type *Type::getVAArgsPromotedType(LLVMContext &C) const {
- if (ID == IntegerTyID && getSubclassData() < 32)
- return Type::getInt32Ty(C);
- else if (ID == FloatTyID)
- return Type::getDoubleTy(C);
- else
- return this;
-}
-
/// getScalarType - If this is a vector type, return the element type,
/// otherwise return this.
const Type *Type::getScalarType() const {
return this;
}
-/// isIntOrIntVector - Return true if this is an integer type or a vector of
+/// isIntegerTy - Return true if this is an IntegerType of the specified width.
+bool Type::isIntegerTy(unsigned Bitwidth) const {
+ return isIntegerTy() && cast<IntegerType>(this)->getBitWidth() == Bitwidth;
+}
+
+/// isIntOrIntVectorTy - Return true if this is an integer type or a vector of
/// integer types.
///
-bool Type::isIntOrIntVector() const {
- if (isInteger())
+bool Type::isIntOrIntVectorTy() const {
+ if (isIntegerTy())
return true;
if (ID != Type::VectorTyID) return false;
- return cast<VectorType>(this)->getElementType()->isInteger();
+ return cast<VectorType>(this)->getElementType()->isIntegerTy();
}
-/// isFPOrFPVector - Return true if this is a FP type or a vector of FP types.
+/// isFPOrFPVectorTy - Return true if this is a FP type or a vector of FP types.
///
-bool Type::isFPOrFPVector() const {
+bool Type::isFPOrFPVectorTy() const {
if (ID == Type::FloatTyID || ID == Type::DoubleTyID ||
ID == Type::FP128TyID || ID == Type::X86_FP80TyID ||
ID == Type::PPC_FP128TyID)
return true;
if (ID != Type::VectorTyID) return false;
- return cast<VectorType>(this)->getElementType()->isFloatingPoint();
+ return cast<VectorType>(this)->getElementType()->isFloatingPointTy();
}
// canLosslesslyBitCastTo - Return true if this type can be converted to
return false;
// Vector -> Vector conversions are always lossless if the two vector types
- // have the same size, otherwise not.
- if (const VectorType *thisPTy = dyn_cast<VectorType>(this))
+ // 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))
return thisPTy->getBitWidth() == thatPTy->getBitWidth();
+ if (Ty->getTypeID() == Type::X86_MMXTyID &&
+ thisPTy->getBitWidth() == 64)
+ return true;
+ }
+
+ if (this->getTypeID() == Type::X86_MMXTyID)
+ if (const VectorType *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 (isa<PointerType>(this))
- return isa<PointerType>(Ty);
+ if (this->isPointerTy())
+ return Ty->isPointerTy();
return false; // Other types have no identity values
}
+bool Type::isEmptyTy() const {
+ const ArrayType *ATy = dyn_cast<ArrayType>(this);
+ if (ATy) {
+ unsigned NumElements = ATy->getNumElements();
+ return NumElements == 0 || ATy->getElementType()->isEmptyTy();
+ }
+
+ const StructType *STy = dyn_cast<StructType>(this);
+ if (STy) {
+ unsigned NumElements = STy->getNumElements();
+ for (unsigned i = 0; i < NumElements; ++i)
+ if (!STy->getElementType(i)->isEmptyTy())
+ return false;
+ return true;
+ }
+
+ return false;
+}
+
unsigned Type::getPrimitiveSizeInBits() const {
switch (getTypeID()) {
case Type::FloatTyID: return 32;
case Type::X86_FP80TyID: return 80;
case Type::FP128TyID: return 128;
case Type::PPC_FP128TyID: return 128;
+ case Type::X86_MMXTyID: return 64;
case Type::IntegerTyID: return cast<IntegerType>(this)->getBitWidth();
case Type::VectorTyID: return cast<VectorType>(this)->getBitWidth();
default: return 0;
int Type::getFPMantissaWidth() const {
if (const VectorType *VTy = dyn_cast<VectorType>(this))
return VTy->getElementType()->getFPMantissaWidth();
- assert(isFloatingPoint() && "Not a floating point type!");
+ assert(isFloatingPointTy() && "Not a floating point type!");
if (ID == FloatTyID) return 24;
if (ID == DoubleTyID) return 53;
if (ID == X86_FP80TyID) return 64;
/// 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 (isa<IntegerType>(this))
+ if (this->isIntegerTy())
return true;
if (const ArrayType *ATy = dyn_cast<ArrayType>(this))
return ATy->getElementType()->isSized();
- if (const VectorType *PTy = dyn_cast<VectorType>(this))
- return PTy->getElementType()->isSized();
+ if (const VectorType *VTy = dyn_cast<VectorType>(this))
+ return VTy->getElementType()->isSized();
- if (!isa<StructType>(this))
+ if (!this->isStructTy())
return false;
// Okay, our struct is sized if all of the elements are...
// Yes, it is forwarded again. First thing, add the reference to the new
// forward type.
if (RealForwardedType->isAbstract())
- cast<DerivedType>(RealForwardedType)->addRef();
+ RealForwardedType->addRef();
// Now drop the old reference. This could cause ForwardType to get deleted.
- cast<DerivedType>(ForwardType)->dropRef();
+ // ForwardType must be abstract because only abstract types can have their own
+ // ForwardTypes.
+ ForwardType->dropRef();
// Return the updated type.
ForwardType = RealForwardedType;
llvm_unreachable("DerivedType is already a concrete type!");
}
-
-std::string Type::getDescription() const {
- LLVMContextImpl *pImpl = getContext().pImpl;
- TypePrinting &Map =
- isAbstract() ?
- pImpl->AbstractTypeDescriptions :
- pImpl->ConcreteTypeDescriptions;
-
- std::string DescStr;
- raw_string_ostream DescOS(DescStr);
- Map.print(this, DescOS);
- return DescOS.str();
-}
-
-
-bool StructType::indexValid(const Value *V) const {
- // Structure indexes require 32-bit integer constants.
- if (V->getType() == Type::getInt32Ty(V->getContext()))
- if (const ConstantInt *CU = dyn_cast<ConstantInt>(V))
- return indexValid(CU->getZExtValue());
- return false;
+const Type *CompositeType::getTypeAtIndex(const Value *V) const {
+ if (const StructType *STy = dyn_cast<StructType>(this)) {
+ unsigned Idx = (unsigned)cast<ConstantInt>(V)->getZExtValue();
+ assert(indexValid(Idx) && "Invalid structure index!");
+ return STy->getElementType(Idx);
+ }
+
+ return cast<SequentialType>(this)->getElementType();
}
-
-bool StructType::indexValid(unsigned V) const {
- return V < NumContainedTys;
+const Type *CompositeType::getTypeAtIndex(unsigned Idx) const {
+ if (const StructType *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)) {
+ // Structure indexes require 32-bit integer constants.
+ if (V->getType()->isIntegerTy(32))
+ if (const ConstantInt *CU = dyn_cast<ConstantInt>(V))
+ return CU->getZExtValue() < STy->getNumElements();
+ return false;
+ }
+
+ // Sequential types can be indexed by any integer.
+ return V->getType()->isIntegerTy();
}
-// getTypeAtIndex - Given an index value into the type, return the type of the
-// element. For a structure type, this must be a constant value...
-//
-const Type *StructType::getTypeAtIndex(const Value *V) const {
- unsigned Idx = (unsigned)cast<ConstantInt>(V)->getZExtValue();
- return getTypeAtIndex(Idx);
+bool CompositeType::indexValid(unsigned Idx) const {
+ if (const StructType *STy = dyn_cast<StructType>(this))
+ return Idx < STy->getNumElements();
+ // Sequential types can be indexed by any integer.
+ return true;
}
-const Type *StructType::getTypeAtIndex(unsigned Idx) const {
- assert(indexValid(Idx) && "Invalid structure index!");
- return ContainedTys[Idx];
-}
//===----------------------------------------------------------------------===//
// Primitive 'Type' data
return &C.pImpl->PPC_FP128Ty;
}
+const Type *Type::getX86_MMXTy(LLVMContext &C) {
+ return &C.pImpl->X86_MMXTy;
+}
+
+const IntegerType *Type::getIntNTy(LLVMContext &C, unsigned N) {
+ return IntegerType::get(C, N);
+}
+
const IntegerType *Type::getInt1Ty(LLVMContext &C) {
return &C.pImpl->Int1Ty;
}
return &C.pImpl->Int64Ty;
}
+const PointerType *Type::getFloatPtrTy(LLVMContext &C, unsigned AS) {
+ return getFloatTy(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getDoublePtrTy(LLVMContext &C, unsigned AS) {
+ return getDoubleTy(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getX86_FP80PtrTy(LLVMContext &C, unsigned AS) {
+ return getX86_FP80Ty(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getFP128PtrTy(LLVMContext &C, unsigned AS) {
+ return getFP128Ty(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getPPC_FP128PtrTy(LLVMContext &C, unsigned AS) {
+ return getPPC_FP128Ty(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getX86_MMXPtrTy(LLVMContext &C, unsigned AS) {
+ return getX86_MMXTy(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getIntNPtrTy(LLVMContext &C, unsigned N, unsigned AS) {
+ return getIntNTy(C, N)->getPointerTo(AS);
+}
+
+const PointerType *Type::getInt1PtrTy(LLVMContext &C, unsigned AS) {
+ return getInt1Ty(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getInt8PtrTy(LLVMContext &C, unsigned AS) {
+ return getInt8Ty(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getInt16PtrTy(LLVMContext &C, unsigned AS) {
+ return getInt16Ty(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getInt32PtrTy(LLVMContext &C, unsigned AS) {
+ return getInt32Ty(C)->getPointerTo(AS);
+}
+
+const PointerType *Type::getInt64PtrTy(LLVMContext &C, unsigned AS) {
+ return getInt64Ty(C)->getPointerTo(AS);
+}
+
//===----------------------------------------------------------------------===//
// Derived Type Constructors
//===----------------------------------------------------------------------===//
/// isValidReturnType - Return true if the specified type is valid as a return
/// type.
bool FunctionType::isValidReturnType(const Type *RetTy) {
- return RetTy->getTypeID() != LabelTyID &&
- RetTy->getTypeID() != MetadataTyID;
+ return !RetTy->isFunctionTy() && !RetTy->isLabelTy() &&
+ !RetTy->isMetadataTy();
}
/// isValidArgumentType - Return true if the specified type is valid as an
/// argument type.
bool FunctionType::isValidArgumentType(const Type *ArgTy) {
- return ArgTy->isFirstClassType() || isa<OpaqueType>(ArgTy);
+ return ArgTy->isFirstClassType() || ArgTy->isOpaqueTy();
}
FunctionType::FunctionType(const Type *Result,
- const std::vector<const Type*> &Params,
+ ArrayRef<const Type*> Params,
bool IsVarArgs)
- : DerivedType(Result->getContext(), FunctionTyID), isVarArgs(IsVarArgs) {
+ : DerivedType(Result->getContext(), FunctionTyID) {
ContainedTys = reinterpret_cast<PATypeHandle*>(this+1);
NumContainedTys = Params.size() + 1; // + 1 for result type
assert(isValidReturnType(Result) && "invalid return type for function");
-
+ setSubclassData(IsVarArgs);
bool isAbstract = Result->isAbstract();
new (&ContainedTys[0]) PATypeHandle(Result, this);
}
StructType::StructType(LLVMContext &C,
- const std::vector<const Type*> &Types, bool isPacked)
+ ArrayRef<const Type*> Types, bool isPacked)
: CompositeType(C, StructTyID) {
ContainedTys = reinterpret_cast<PATypeHandle*>(this + 1);
NumContainedTys = Types.size();
PointerType::PointerType(const Type *E, unsigned AddrSpace)
: SequentialType(PointerTyID, E) {
- AddressSpace = AddrSpace;
+ setSubclassData(AddrSpace);
// Calculate whether or not this type is abstract
setAbstract(E->isAbstract());
}
OpaqueType::OpaqueType(LLVMContext &C) : DerivedType(C, OpaqueTyID) {
setAbstract(true);
#ifdef DEBUG_MERGE_TYPES
- DEBUG(errs() << "Derived new type: " << *this << "\n");
+ DEBUG(dbgs() << "Derived new type: " << *this << "\n");
#endif
}
if (NumContainedTys != 0) {
// The type must stay abstract. To do this, we insert a pointer to a type
// that will never get resolved, thus will always be abstract.
- static Type *AlwaysOpaqueTy = 0;
- static PATypeHolder* Holder = 0;
- Type *tmp = AlwaysOpaqueTy;
- if (llvm_is_multithreaded()) {
- sys::MemoryFence();
- if (!tmp) {
- llvm_acquire_global_lock();
- tmp = AlwaysOpaqueTy;
- if (!tmp) {
- tmp = OpaqueType::get(getContext());
- PATypeHolder* tmp2 = new PATypeHolder(tmp);
- sys::MemoryFence();
- AlwaysOpaqueTy = tmp;
- Holder = tmp2;
- }
-
- llvm_release_global_lock();
- }
- } else if (!AlwaysOpaqueTy) {
- AlwaysOpaqueTy = OpaqueType::get(getContext());
- Holder = new PATypeHolder(AlwaysOpaqueTy);
- }
-
- ContainedTys[0] = AlwaysOpaqueTy;
+ ContainedTys[0] = getContext().pImpl->AlwaysOpaqueTy;
// Change the rest of the types to be Int32Ty's. It doesn't matter what we
// pick so long as it doesn't point back to this type. We choose something
static inline ChildIteratorType child_begin(NodeType *N) {
if (N->isAbstract())
return N->subtype_begin();
- else // No need to process children of concrete types.
- return N->subtype_end();
+ // No need to process children of concrete types.
+ return N->subtype_end();
}
static inline ChildIteratorType child_end(NodeType *N) {
return N->subtype_end();
// Concrete types are leaves in the tree. Since an SCC will either be all
// abstract or all concrete, we only need to check one type.
- if (SCC[0]->isAbstract()) {
- if (isa<OpaqueType>(SCC[0]))
- return; // Not going to be concrete, sorry.
-
- // If all of the children of all of the types in this SCC are concrete,
- // then this SCC is now concrete as well. If not, neither this SCC, nor
- // any parent SCCs will be concrete, so we might as well just exit.
- for (unsigned i = 0, e = SCC.size(); i != e; ++i)
- for (Type::subtype_iterator CI = SCC[i]->subtype_begin(),
- E = SCC[i]->subtype_end(); CI != E; ++CI)
- if ((*CI)->isAbstract())
- // If the child type is in our SCC, it doesn't make the entire SCC
- // abstract unless there is a non-SCC abstract type.
- if (std::find(SCC.begin(), SCC.end(), *CI) == SCC.end())
- return; // Not going to be concrete, sorry.
-
- // Okay, we just discovered this whole SCC is now concrete, mark it as
- // such!
- for (unsigned i = 0, e = SCC.size(); i != e; ++i) {
- assert(SCC[i]->isAbstract() && "Why are we processing concrete types?");
-
- SCC[i]->setAbstract(false);
- }
-
- for (unsigned i = 0, e = SCC.size(); i != e; ++i) {
- assert(!SCC[i]->isAbstract() && "Concrete type became abstract?");
- // The type just became concrete, notify all users!
- cast<DerivedType>(SCC[i])->notifyUsesThatTypeBecameConcrete();
- }
+ if (!SCC[0]->isAbstract()) continue;
+
+ if (SCC[0]->isOpaqueTy())
+ return; // Not going to be concrete, sorry.
+
+ // If all of the children of all of the types in this SCC are concrete,
+ // then this SCC is now concrete as well. If not, neither this SCC, nor
+ // any parent SCCs will be concrete, so we might as well just exit.
+ for (unsigned i = 0, e = SCC.size(); i != e; ++i)
+ for (Type::subtype_iterator CI = SCC[i]->subtype_begin(),
+ E = SCC[i]->subtype_end(); CI != E; ++CI)
+ if ((*CI)->isAbstract())
+ // If the child type is in our SCC, it doesn't make the entire SCC
+ // abstract unless there is a non-SCC abstract type.
+ if (std::find(SCC.begin(), SCC.end(), *CI) == SCC.end())
+ return; // Not going to be concrete, sorry.
+
+ // Okay, we just discovered this whole SCC is now concrete, mark it as
+ // such!
+ for (unsigned i = 0, e = SCC.size(); i != e; ++i) {
+ assert(SCC[i]->isAbstract() && "Why are we processing concrete types?");
+
+ SCC[i]->setAbstract(false);
+ }
+
+ for (unsigned i = 0, e = SCC.size(); i != e; ++i) {
+ assert(!SCC[i]->isAbstract() && "Concrete type became abstract?");
+ // The type just became concrete, notify all users!
+ cast<DerivedType>(SCC[i])->notifyUsesThatTypeBecameConcrete();
}
}
}
std::map<const Type *, const Type *> &EqTypes) {
if (Ty == Ty2) return true;
if (Ty->getTypeID() != Ty2->getTypeID()) return false;
- if (isa<OpaqueType>(Ty))
+ if (Ty->isOpaqueTy())
return false; // Two unequal opaque types are never equal
std::map<const Type*, const Type*>::iterator It = EqTypes.find(Ty);
if (const IntegerType *ITy = dyn_cast<IntegerType>(Ty)) {
const IntegerType *ITy2 = cast<IntegerType>(Ty2);
return ITy->getBitWidth() == ITy2->getBitWidth();
- } else if (const PointerType *PTy = dyn_cast<PointerType>(Ty)) {
+ }
+
+ if (const PointerType *PTy = dyn_cast<PointerType>(Ty)) {
const PointerType *PTy2 = cast<PointerType>(Ty2);
return PTy->getAddressSpace() == PTy2->getAddressSpace() &&
TypesEqual(PTy->getElementType(), PTy2->getElementType(), EqTypes);
- } else if (const StructType *STy = dyn_cast<StructType>(Ty)) {
+ }
+
+ if (const StructType *STy = dyn_cast<StructType>(Ty)) {
const StructType *STy2 = cast<StructType>(Ty2);
if (STy->getNumElements() != STy2->getNumElements()) return false;
if (STy->isPacked() != STy2->isPacked()) return false;
if (!TypesEqual(STy->getElementType(i), STy2->getElementType(i), EqTypes))
return false;
return true;
- } else if (const ArrayType *ATy = dyn_cast<ArrayType>(Ty)) {
+ }
+
+ if (const ArrayType *ATy = dyn_cast<ArrayType>(Ty)) {
const ArrayType *ATy2 = cast<ArrayType>(Ty2);
return ATy->getNumElements() == ATy2->getNumElements() &&
TypesEqual(ATy->getElementType(), ATy2->getElementType(), EqTypes);
- } else if (const VectorType *PTy = dyn_cast<VectorType>(Ty)) {
+ }
+
+ if (const VectorType *PTy = dyn_cast<VectorType>(Ty)) {
const VectorType *PTy2 = cast<VectorType>(Ty2);
return PTy->getNumElements() == PTy2->getNumElements() &&
TypesEqual(PTy->getElementType(), PTy2->getElementType(), EqTypes);
- } else if (const FunctionType *FTy = dyn_cast<FunctionType>(Ty)) {
+ }
+
+ if (const FunctionType *FTy = dyn_cast<FunctionType>(Ty)) {
const FunctionType *FTy2 = cast<FunctionType>(Ty2);
if (FTy->isVarArg() != FTy2->isVarArg() ||
FTy->getNumParams() != FTy2->getNumParams() ||
return false;
}
return true;
- } else {
- llvm_unreachable("Unknown derived type!");
- return false;
}
+
+ llvm_unreachable("Unknown derived type!");
+ return false;
}
+namespace llvm { // in namespace llvm so findable by ADL
static bool TypesEqual(const Type *Ty, const Type *Ty2) {
std::map<const Type *, const Type *> EqTypes;
- return TypesEqual(Ty, Ty2, EqTypes);
+ return ::TypesEqual(Ty, Ty2, EqTypes);
+}
}
// AbstractTypeHasCycleThrough - Return true there is a path from CurTy to
return false;
}
-/// TypeHasCycleThroughItself - Return true if the specified type has a cycle
-/// back to itself.
+/// TypeHasCycleThroughItself - Return true if the specified type has
+/// a cycle back to itself.
+
+namespace llvm { // in namespace llvm so it's findable by ADL
static bool TypeHasCycleThroughItself(const Type *Ty) {
SmallPtrSet<const Type*, 128> VisitedTypes;
}
return false;
}
+}
//===----------------------------------------------------------------------===//
// Function Type Factory and Value Class...
// 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:
- break;
+ 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:
+ break;
}
LLVMContextImpl *pImpl = C.pImpl;
// First, see if the type is already in the table, for which
// a reader lock suffices.
- sys::SmartScopedLock<true> L(pImpl->TypeMapLock);
ITy = pImpl->IntegerTypes.get(IVT);
if (!ITy) {
pImpl->IntegerTypes.add(IVT, ITy);
}
#ifdef DEBUG_MERGE_TYPES
- DEBUG(errs() << "Derived new type: " << *ITy << "\n");
+ DEBUG(dbgs() << "Derived new type: " << *ITy << "\n");
#endif
return ITy;
}
return FunctionValType(FT->getReturnType(), ParamTypes, FT->isVarArg());
}
+FunctionType *FunctionType::get(const Type *Result, bool isVarArg) {
+ return get(Result, ArrayRef<const Type *>(), isVarArg);
+}
// FunctionType::get - The factory function for the FunctionType class...
FunctionType *FunctionType::get(const Type *ReturnType,
- const std::vector<const Type*> &Params,
+ ArrayRef<const Type*> Params,
bool isVarArg) {
FunctionValType VT(ReturnType, Params, isVarArg);
FunctionType *FT = 0;
LLVMContextImpl *pImpl = ReturnType->getContext().pImpl;
- sys::SmartScopedLock<true> L(pImpl->TypeMapLock);
FT = pImpl->FunctionTypes.get(VT);
if (!FT) {
}
#ifdef DEBUG_MERGE_TYPES
- DEBUG(errs() << "Derived new type: " << FT << "\n");
+ DEBUG(dbgs() << "Derived new type: " << FT << "\n");
#endif
return FT;
}
LLVMContextImpl *pImpl = ElementType->getContext().pImpl;
- sys::SmartScopedLock<true> L(pImpl->TypeMapLock);
AT = pImpl->ArrayTypes.get(AVT);
if (!AT) {
pImpl->ArrayTypes.add(AVT, AT = new ArrayType(ElementType, NumElements));
}
#ifdef DEBUG_MERGE_TYPES
- DEBUG(errs() << "Derived new type: " << *AT << "\n");
+ DEBUG(dbgs() << "Derived new type: " << *AT << "\n");
#endif
return AT;
}
bool ArrayType::isValidElementType(const Type *ElemTy) {
- return ElemTy->getTypeID() != VoidTyID && ElemTy->getTypeID() != LabelTyID &&
- ElemTy->getTypeID() != MetadataTyID && !isa<FunctionType>(ElemTy);
+ return !ElemTy->isVoidTy() && !ElemTy->isLabelTy() &&
+ !ElemTy->isMetadataTy() && !ElemTy->isFunctionTy();
}
VectorType *VectorType::get(const Type *ElementType, unsigned NumElements) {
LLVMContextImpl *pImpl = ElementType->getContext().pImpl;
- sys::SmartScopedLock<true> L(pImpl->TypeMapLock);
PT = pImpl->VectorTypes.get(PVT);
if (!PT) {
pImpl->VectorTypes.add(PVT, PT = new VectorType(ElementType, NumElements));
}
#ifdef DEBUG_MERGE_TYPES
- DEBUG(errs() << "Derived new type: " << *PT << "\n");
+ DEBUG(dbgs() << "Derived new type: " << *PT << "\n");
#endif
return PT;
}
bool VectorType::isValidElementType(const Type *ElemTy) {
- return ElemTy->isInteger() || ElemTy->isFloatingPoint() ||
- isa<OpaqueType>(ElemTy);
+ return ElemTy->isIntegerTy() || ElemTy->isFloatingPointTy() ||
+ ElemTy->isOpaqueTy();
}
//===----------------------------------------------------------------------===//
-// Struct Type Factory...
+// Struct Type Factory.
//
+StructType *StructType::get(LLVMContext &Context, bool isPacked) {
+ return get(Context, llvm::ArrayRef<const Type*>(), isPacked);
+}
+
+
StructType *StructType::get(LLVMContext &Context,
- const std::vector<const Type*> &ETypes,
+ ArrayRef<const Type*> ETypes,
bool isPacked) {
StructValType STV(ETypes, isPacked);
StructType *ST = 0;
LLVMContextImpl *pImpl = Context.pImpl;
- sys::SmartScopedLock<true> L(pImpl->TypeMapLock);
ST = pImpl->StructTypes.get(STV);
if (!ST) {
pImpl->StructTypes.add(STV, ST);
}
#ifdef DEBUG_MERGE_TYPES
- DEBUG(errs() << "Derived new type: " << *ST << "\n");
+ DEBUG(dbgs() << "Derived new type: " << *ST << "\n");
#endif
return ST;
}
-StructType *StructType::get(LLVMContext &Context, const Type *type, ...) {
+StructType *StructType::get(const Type *type, ...) {
+ assert(type != 0 && "Cannot create a struct type with no elements with this");
+ LLVMContext &Ctx = type->getContext();
va_list ap;
- std::vector<const llvm::Type*> StructFields;
+ SmallVector<const llvm::Type*, 8> StructFields;
va_start(ap, type);
while (type) {
StructFields.push_back(type);
type = va_arg(ap, llvm::Type*);
}
- return llvm::StructType::get(Context, StructFields);
+ return llvm::StructType::get(Ctx, StructFields);
}
bool StructType::isValidElementType(const Type *ElemTy) {
- return ElemTy->getTypeID() != VoidTyID && ElemTy->getTypeID() != LabelTyID &&
- ElemTy->getTypeID() != MetadataTyID && !isa<FunctionType>(ElemTy);
+ return !ElemTy->isVoidTy() && !ElemTy->isLabelTy() &&
+ !ElemTy->isMetadataTy() && !ElemTy->isFunctionTy();
}
LLVMContextImpl *pImpl = ValueType->getContext().pImpl;
- sys::SmartScopedLock<true> L(pImpl->TypeMapLock);
PT = pImpl->PointerTypes.get(PVT);
if (!PT) {
pImpl->PointerTypes.add(PVT, PT = new PointerType(ValueType, AddressSpace));
}
#ifdef DEBUG_MERGE_TYPES
- DEBUG(errs() << "Derived new type: " << *PT << "\n");
+ DEBUG(dbgs() << "Derived new type: " << *PT << "\n");
#endif
return PT;
}
-PointerType *Type::getPointerTo(unsigned addrs) const {
+const PointerType *Type::getPointerTo(unsigned addrs) const {
return PointerType::get(this, addrs);
}
bool PointerType::isValidElementType(const Type *ElemTy) {
- return ElemTy->getTypeID() != VoidTyID &&
- ElemTy->getTypeID() != LabelTyID &&
- ElemTy->getTypeID() != MetadataTyID;
+ return !ElemTy->isVoidTy() && !ElemTy->isLabelTy() &&
+ !ElemTy->isMetadataTy();
}
+//===----------------------------------------------------------------------===//
+// Opaque Type Factory...
+//
+
+OpaqueType *OpaqueType::get(LLVMContext &C) {
+ OpaqueType *OT = new OpaqueType(C); // All opaque types are distinct.
+ LLVMContextImpl *pImpl = C.pImpl;
+ pImpl->OpaqueTypes.insert(OT);
+ return OT;
+}
+
+
+
//===----------------------------------------------------------------------===//
// Derived Type Refinement Functions
//===----------------------------------------------------------------------===//
// it. This function is called primarily by the PATypeHandle class.
void Type::addAbstractTypeUser(AbstractTypeUser *U) const {
assert(isAbstract() && "addAbstractTypeUser: Current type not abstract!");
- LLVMContextImpl *pImpl = getContext().pImpl;
- pImpl->AbstractTypeUsersLock.acquire();
AbstractTypeUsers.push_back(U);
- pImpl->AbstractTypeUsersLock.release();
}
// is annihilated, because there is no way to get a reference to it ever again.
//
void Type::removeAbstractTypeUser(AbstractTypeUser *U) const {
- LLVMContextImpl *pImpl = getContext().pImpl;
- pImpl->AbstractTypeUsersLock.acquire();
// Search from back to front because we will notify users from back to
// front. Also, it is likely that there will be a stack like behavior to
AbstractTypeUsers.erase(AbstractTypeUsers.begin()+i);
#ifdef DEBUG_MERGE_TYPES
- DEBUG(errs() << " remAbstractTypeUser[" << (void*)this << ", "
+ DEBUG(dbgs() << " remAbstractTypeUser[" << (void*)this << ", "
<< *this << "][" << i << "] User = " << U << "\n");
#endif
if (AbstractTypeUsers.empty() && getRefCount() == 0 && isAbstract()) {
#ifdef DEBUG_MERGE_TYPES
- DEBUG(errs() << "DELETEing unused abstract type: <" << *this
+ DEBUG(dbgs() << "DELETEing unused abstract type: <" << *this
<< ">[" << (void*)this << "]" << "\n");
#endif
- this->destroy();
+ this->destroy();
}
-
- pImpl->AbstractTypeUsersLock.release();
}
-// unlockedRefineAbstractTypeTo - This function is used when it is discovered
+// refineAbstractTypeTo - This function is used when it is discovered
// that the 'this' abstract type is actually equivalent to the NewType
// specified. This causes all users of 'this' to switch to reference the more
// concrete type NewType and for 'this' to be deleted. Only used for internal
// callers.
//
-void DerivedType::unlockedRefineAbstractTypeTo(const Type *NewType) {
+void DerivedType::refineAbstractTypeTo(const Type *NewType) {
assert(isAbstract() && "refineAbstractTypeTo: Current type is not abstract!");
assert(this != NewType && "Can't refine to myself!");
assert(ForwardType == 0 && "This type has already been refined!");
- LLVMContextImpl *pImpl = getContext().pImpl;
-
- // The descriptions may be out of date. Conservatively clear them all!
- pImpl->AbstractTypeDescriptions.clear();
-
#ifdef DEBUG_MERGE_TYPES
- DEBUG(errs() << "REFINING abstract type [" << (void*)this << " "
+ DEBUG(dbgs() << "REFINING abstract type [" << (void*)this << " "
<< *this << "] to [" << (void*)NewType << " "
<< *NewType << "]!\n");
#endif
// Any PATypeHolders referring to this type will now automatically forward to
// the type we are resolved to.
ForwardType = NewType;
- if (NewType->isAbstract())
- cast<DerivedType>(NewType)->addRef();
+ if (ForwardType->isAbstract())
+ ForwardType->addRef();
// Add a self use of the current type so that we don't delete ourself until
// after the function exits.
// will not cause users to drop off of the use list. If we resolve to ourself
// we succeed!
//
- pImpl->AbstractTypeUsersLock.acquire();
while (!AbstractTypeUsers.empty() && NewTy != this) {
AbstractTypeUser *User = AbstractTypeUsers.back();
- unsigned OldSize = AbstractTypeUsers.size(); OldSize=OldSize;
+ unsigned OldSize = AbstractTypeUsers.size(); (void)OldSize;
#ifdef DEBUG_MERGE_TYPES
- DEBUG(errs() << " REFINING user " << OldSize-1 << "[" << (void*)User
+ DEBUG(dbgs() << " REFINING user " << OldSize-1 << "[" << (void*)User
<< "] of abstract type [" << (void*)this << " "
<< *this << "] to [" << (void*)NewTy.get() << " "
<< *NewTy << "]!\n");
assert(AbstractTypeUsers.size() != OldSize &&
"AbsTyUser did not remove self from user list!");
}
- pImpl->AbstractTypeUsersLock.release();
// If we were successful removing all users from the type, 'this' will be
// deleted when the last PATypeHolder is destroyed or updated from this type.
// destroyed.
}
-// refineAbstractTypeTo - This function is used by external callers to notify
-// us that this abstract type is equivalent to another type.
-//
-void DerivedType::refineAbstractTypeTo(const Type *NewType) {
- // All recursive calls will go through unlockedRefineAbstractTypeTo,
- // to avoid deadlock problems.
- sys::SmartScopedLock<true> L(NewType->getContext().pImpl->TypeMapLock);
- unlockedRefineAbstractTypeTo(NewType);
-}
-
// notifyUsesThatTypeBecameConcrete - Notify AbstractTypeUsers of this type that
// the current type has transitioned from being abstract to being concrete.
//
void DerivedType::notifyUsesThatTypeBecameConcrete() {
#ifdef DEBUG_MERGE_TYPES
- DEBUG(errs() << "typeIsREFINED type: " << (void*)this << " " << *this <<"\n");
+ DEBUG(dbgs() << "typeIsREFINED type: " << (void*)this << " " << *this <<"\n");
#endif
- LLVMContextImpl *pImpl = getContext().pImpl;
-
- pImpl->AbstractTypeUsersLock.acquire();
- unsigned OldSize = AbstractTypeUsers.size(); OldSize=OldSize;
+ unsigned OldSize = AbstractTypeUsers.size(); (void)OldSize;
while (!AbstractTypeUsers.empty()) {
AbstractTypeUser *ATU = AbstractTypeUsers.back();
ATU->typeBecameConcrete(this);
assert(AbstractTypeUsers.size() < OldSize-- &&
"AbstractTypeUser did not remove itself from the use list!");
}
- pImpl->AbstractTypeUsersLock.release();
}
// refineAbstractType - Called when a contained type is found to be more
pImpl->PointerTypes.TypeBecameConcrete(this, AbsTy);
}
-bool SequentialType::indexValid(const Value *V) const {
- if (isa<IntegerType>(V->getType()))
- return true;
- return false;
-}
-
namespace llvm {
raw_ostream &operator<<(raw_ostream &OS, const Type &T) {
T.print(OS);
projects / oota-llvm.git / blobdiff