//
//===----------------------------------------------------------------------===//
//
-// This file declares the Value class.
+// This file declares the Value class.
//
//===----------------------------------------------------------------------===//
class DataLayout;
class Function;
class GlobalAlias;
+class GlobalObject;
class GlobalValue;
class GlobalVariable;
class InlineAsm;
// Value Class
//===----------------------------------------------------------------------===//
-/// This is a very important LLVM class. It is the base class of all values
+/// This is a very important LLVM class. It is the base class of all values
/// computed by a program that may be used as operands to other values. Value is
/// the super class of other important classes such as Instruction and Function.
/// All Values have a Type. Type is not a subclass of Value. Some values can
Value(const Value &) LLVM_DELETED_FUNCTION;
protected:
- /// printCustom - Value subclasses can override this to implement custom
- /// printing behavior.
- virtual void printCustom(raw_ostream &O) const;
-
Value(Type *Ty, unsigned scid);
public:
virtual ~Value();
/// print - Implement operator<< on Value.
///
- void print(raw_ostream &O, AssemblyAnnotationWriter *AAW = 0) const;
+ void print(raw_ostream &O) const;
/// \brief Print the name of this Value out to the specified raw_ostream.
/// This is useful when you just want to print 'int %reg126', not the
/// instruction that generated it. If you specify a Module for context, then
/// even constanst get pretty-printed; for example, the type of a null
/// pointer is printed symbolically.
- void printAsOperand(raw_ostream &O, bool PrintType = true, const Module *M = 0) const;
+ void printAsOperand(raw_ostream &O, bool PrintType = true,
+ const Module *M = nullptr) const;
/// All values are typed, get the type of this value.
///
LLVMContext &getContext() const;
// All values can potentially be named.
- bool hasName() const { return Name != 0 && SubclassID != MDStringVal; }
+ bool hasName() const { return Name != nullptr && SubclassID != MDStringVal; }
ValueName *getValueName() const { return Name; }
void setValueName(ValueName *VN) { Name = VN; }
-
+
/// getName() - Return a constant reference to the value's name. This is cheap
/// and guaranteed to return the same reference as long as the value is not
/// modified.
/// \param Name The new name; or "" if the value's name should be removed.
void setName(const Twine &Name);
-
+
/// takeName - transfer the name from V to this value, setting V's name to
- /// empty. It is an error to call V->takeName(V).
+ /// empty. It is an error to call V->takeName(V).
void takeName(Value *V);
/// replaceAllUsesWith - Go through the uses list for this definition and make
//----------------------------------------------------------------------
// Methods for handling the chain of uses of this Value.
//
- bool use_empty() const { return UseList == 0; }
+ bool use_empty() const { return UseList == nullptr; }
typedef use_iterator_impl<Use> use_iterator;
typedef use_iterator_impl<const Use> const_use_iterator;
void addUse(Use &U) { U.addToList(&UseList); }
/// An enumeration for keeping track of the concrete subclass of Value that
- /// is actually instantiated. Values of this enumeration are kept in the
+ /// is actually instantiated. Values of this enumeration are kept in the
/// Value classes SubclassID field. They are used for concrete type
/// identification.
enum ValueTy {
MDNodeVal, // This is an instance of MDNode
MDStringVal, // This is an instance of MDString
InlineAsmVal, // This is an instance of InlineAsm
- PseudoSourceValueVal, // This is an instance of PseudoSourceValue
- FixedStackPseudoSourceValueVal, // This is an instance of
- // FixedStackPseudoSourceValue
InstructionVal, // This is an instance of Instruction
// Enum values starting at InstructionVal are used for Instructions;
// don't add new values here!
/// isDereferenceablePointer - Test if this value is always a pointer to
/// allocated and suitably aligned memory for a simple load or store.
bool isDereferenceablePointer() const;
-
+
/// DoPHITranslation - If this value is a PHI node with CurBB as its parent,
/// return the value in the PHI node corresponding to PredBB. If not, return
/// ourself. This is useful if you want to know the value something has in a
const BasicBlock *PredBB) const{
return const_cast<Value*>(this)->DoPHITranslation(CurBB, PredBB);
}
-
+
/// MaximumAlignment - This is the greatest alignment value supported by
/// load, store, and alloca instructions, and global values.
static const unsigned MaximumAlignment = 1u << 29;
-
+
/// mutateType - Mutate the type of this Value to be of the specified type.
/// Note that this is an extremely dangerous operation which can create
/// completely invalid IR very easily. It is strongly recommended that you
void mutateType(Type *Ty) {
VTy = Ty;
}
-
+
protected:
unsigned short getSubclassDataFromValue() const { return SubclassData; }
void setValueSubclassData(unsigned short D) { SubclassData = D; }
V.print(OS);
return OS;
}
-
+
void Use::set(Value *V) {
if (Val) removeFromList();
Val = V;
}
};
-template <> struct isa_impl<InlineAsm, Value> {
+template <> struct isa_impl<InlineAsm, Value> {
static inline bool doit(const Value &Val) {
return Val.getValueID() == Value::InlineAsmVal;
}
};
-template <> struct isa_impl<Instruction, Value> {
+template <> struct isa_impl<Instruction, Value> {
static inline bool doit(const Value &Val) {
return Val.getValueID() >= Value::InstructionVal;
}
};
-template <> struct isa_impl<BasicBlock, Value> {
+template <> struct isa_impl<BasicBlock, Value> {
static inline bool doit(const Value &Val) {
return Val.getValueID() == Value::BasicBlockVal;
}
};
-template <> struct isa_impl<Function, Value> {
+template <> struct isa_impl<Function, Value> {
static inline bool doit(const Value &Val) {
return Val.getValueID() == Value::FunctionVal;
}
};
-template <> struct isa_impl<GlobalVariable, Value> {
+template <> struct isa_impl<GlobalVariable, Value> {
static inline bool doit(const Value &Val) {
return Val.getValueID() == Value::GlobalVariableVal;
}
};
-template <> struct isa_impl<GlobalAlias, Value> {
+template <> struct isa_impl<GlobalAlias, Value> {
static inline bool doit(const Value &Val) {
return Val.getValueID() == Value::GlobalAliasVal;
}
};
-template <> struct isa_impl<GlobalValue, Value> {
+template <> struct isa_impl<GlobalValue, Value> {
+ static inline bool doit(const Value &Val) {
+ return isa<GlobalObject>(Val) || isa<GlobalAlias>(Val);
+ }
+};
+
+template <> struct isa_impl<GlobalObject, Value> {
static inline bool doit(const Value &Val) {
- return isa<GlobalVariable>(Val) || isa<Function>(Val) ||
- isa<GlobalAlias>(Val);
+ return isa<GlobalVariable>(Val) || isa<Function>(Val);
}
};
-template <> struct isa_impl<MDNode, Value> {
+template <> struct isa_impl<MDNode, Value> {
static inline bool doit(const Value &Val) {
return Val.getValueID() == Value::MDNodeVal;
}
};
-
+
// Value* is only 4-byte aligned.
template<>
class PointerLikeTypeTraits<Value*> {
DEFINE_ISA_CONVERSION_FUNCTIONS(Value, LLVMValueRef)
/* Specialized opaque value conversions.
- */
+ */
inline Value **unwrap(LLVMValueRef *Vals) {
return reinterpret_cast<Value**>(Vals);
}
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