//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/ValueTypes.h"
+#include "llvm/Support/Casting.h"
#include <map>
using namespace llvm;
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wweak-vtables"
-
namespace llvm {
class Type {
+protected:
+ enum TypeKind {
+ TK_ExtendedIntegerType,
+ TK_ExtendedVectorType
+ };
+private:
+ TypeKind Kind;
public:
+ TypeKind getKind() const {
+ return Kind;
+ }
+ Type(TypeKind K) : Kind(K) {}
virtual unsigned getSizeInBits() const = 0;
- virtual ~Type() {}
+ virtual ~Type();
};
+// Provide out-of-line definition to prevent weak vtable.
+Type::~Type() {}
+
}
+namespace {
class ExtendedIntegerType : public Type {
unsigned BitWidth;
public:
explicit ExtendedIntegerType(unsigned bits)
- : BitWidth(bits) {}
- unsigned getSizeInBits() const {
+ : Type(TK_ExtendedIntegerType), BitWidth(bits) {}
+ static bool classof(const Type *T) {
+ return T->getKind() == TK_ExtendedIntegerType;
+ }
+ virtual unsigned getSizeInBits() const {
return getBitWidth();
}
unsigned getBitWidth() const {
unsigned NumElements;
public:
ExtendedVectorType(EVT elty, unsigned num)
- : ElementType(elty), NumElements(num) {}
- unsigned getSizeInBits() const {
+ : Type(TK_ExtendedVectorType), ElementType(elty), NumElements(num) {}
+ static bool classof(const Type *T) {
+ return T->getKind() == TK_ExtendedVectorType;
+ }
+ virtual unsigned getSizeInBits() const {
return getNumElements() * getElementType().getSizeInBits();
}
EVT getElementType() const {
return NumElements;
}
};
-
-#pragma clang diagnostic pop
+} // end anonymous namespace
static std::map<unsigned, const Type *>
ExtendedIntegerTypeMap;
bool EVT::isExtendedInteger() const {
assert(isExtended() && "Type is not extended!");
- return dynamic_cast<const ExtendedIntegerType *>(LLVMTy) != 0;
+ return isa<ExtendedIntegerType>(LLVMTy);
}
bool EVT::isExtendedVector() const {
assert(isExtended() && "Type is not extended!");
- return dynamic_cast<const ExtendedVectorType *>(LLVMTy) != 0;
+ return isa<ExtendedVectorType>(LLVMTy);
}
bool EVT::isExtended64BitVector() const {