#include "llvm/Constants.h"
#include "llvm/Type.h"
-class PointerType;
-
-//===----------------------------------------------------------------------===//
-// Implement == and != directly...
-//===----------------------------------------------------------------------===//
-inline ConstantBool *operator==(const Constant &V1, const Constant &V2) {
- assert(V1.getType() == V2.getType() && "Constant types must be identical!");
- return ConstantBool::get(&V1 == &V2);
-}
+namespace llvm {
-inline ConstantBool *operator!=(const Constant &V1, const Constant &V2) {
- return ConstantBool::get(&V1 != &V2);
-}
+class PointerType;
//===----------------------------------------------------------------------===//
// Implement all other operators indirectly through TypeRules system
//===----------------------------------------------------------------------===//
-class ConstRules : public Annotation {
-protected:
- inline ConstRules() : Annotation(AID) {} // Can only be subclassed...
-public:
- static AnnotationID AID; // AnnotationID for this class
+struct ConstRules {
+ ConstRules() {}
// Binary Operators...
virtual Constant *add(const Constant *V1, const Constant *V2) const = 0;
virtual ConstantBool *lessthan(const Constant *V1,
const Constant *V2) const = 0;
+ virtual ConstantBool *equalto(const Constant *V1,
+ const Constant *V2) const = 0;
// Casting operators. ick
virtual ConstantBool *castToBool (const Constant *V) const = 0;
case Type::LongTyID: return castToLong(V);
case Type::FloatTyID: return castToFloat(V);
case Type::DoubleTyID: return castToDouble(V);
- case Type::PointerTyID:return castToPointer(V, (PointerType*)Ty);
+ case Type::PointerTyID:
+ return castToPointer(V, reinterpret_cast<const PointerType*>(Ty));
default: return 0;
}
}
- // ConstRules::get - A type will cache its own type rules if one is needed...
- // we just want to make sure to hit the cache instead of doing it indirectly,
- // if possible...
+ // ConstRules::get - Return an instance of ConstRules for the specified
+ // constant operands.
//
- static inline ConstRules *get(const Constant &V1, const Constant &V2) {
- if (isa<ConstantExpr>(V1) || isa<ConstantExpr>(V2))
- return getConstantExprRules();
- return (ConstRules*)V1.getType()->getOrCreateAnnotation(AID);
- }
+ static ConstRules &get(const Constant &V1, const Constant &V2);
private:
- static ConstRules *getConstantExprRules();
- static Annotation *find(AnnotationID AID, const Annotable *Ty, void *);
-
ConstRules(const ConstRules &); // Do not implement
ConstRules &operator=(const ConstRules &); // Do not implement
};
// Unary operators...
inline Constant *operator~(const Constant &V) {
- assert(V.getType()->isIntegral() && "Cannot invert non-intergral constant!");
- return ConstRules::get(V, V)->op_xor(&V,
+ assert(V.getType()->isIntegral() && "Cannot invert non-integral constant!");
+ return ConstRules::get(V, V).op_xor(&V,
ConstantInt::getAllOnesValue(V.getType()));
}
+inline Constant *operator-(const Constant &V) {
+ return ConstRules::get(V, V).sub(Constant::getNullValue(V.getType()), &V);
+}
+
// Standard binary operators...
inline Constant *operator+(const Constant &V1, const Constant &V2) {
assert(V1.getType() == V2.getType() && "Constant types must be identical!");
- return ConstRules::get(V1, V2)->add(&V1, &V2);
+ return ConstRules::get(V1, V2).add(&V1, &V2);
}
inline Constant *operator-(const Constant &V1, const Constant &V2) {
assert(V1.getType() == V2.getType() && "Constant types must be identical!");
- return ConstRules::get(V1, V2)->sub(&V1, &V2);
+ return ConstRules::get(V1, V2).sub(&V1, &V2);
}
inline Constant *operator*(const Constant &V1, const Constant &V2) {
assert(V1.getType() == V2.getType() && "Constant types must be identical!");
- return ConstRules::get(V1, V2)->mul(&V1, &V2);
+ return ConstRules::get(V1, V2).mul(&V1, &V2);
}
inline Constant *operator/(const Constant &V1, const Constant &V2) {
assert(V1.getType() == V2.getType() && "Constant types must be identical!");
- return ConstRules::get(V1, V2)->div(&V1, &V2);
+ return ConstRules::get(V1, V2).div(&V1, &V2);
}
inline Constant *operator%(const Constant &V1, const Constant &V2) {
assert(V1.getType() == V2.getType() && "Constant types must be identical!");
- return ConstRules::get(V1, V2)->rem(&V1, &V2);
+ return ConstRules::get(V1, V2).rem(&V1, &V2);
}
// Logical Operators...
inline Constant *operator&(const Constant &V1, const Constant &V2) {
assert(V1.getType() == V2.getType() && "Constant types must be identical!");
- return ConstRules::get(V1, V2)->op_and(&V1, &V2);
+ return ConstRules::get(V1, V2).op_and(&V1, &V2);
}
inline Constant *operator|(const Constant &V1, const Constant &V2) {
assert(V1.getType() == V2.getType() && "Constant types must be identical!");
- return ConstRules::get(V1, V2)->op_or(&V1, &V2);
+ return ConstRules::get(V1, V2).op_or(&V1, &V2);
}
inline Constant *operator^(const Constant &V1, const Constant &V2) {
assert(V1.getType() == V2.getType() && "Constant types must be identical!");
- return ConstRules::get(V1, V2)->op_xor(&V1, &V2);
+ return ConstRules::get(V1, V2).op_xor(&V1, &V2);
}
// Shift Instructions...
inline Constant *operator<<(const Constant &V1, const Constant &V2) {
assert(V1.getType()->isInteger() && V2.getType() == Type::UByteTy);
- return ConstRules::get(V1, V2)->shl(&V1, &V2);
+ return ConstRules::get(V1, V2).shl(&V1, &V2);
}
inline Constant *operator>>(const Constant &V1, const Constant &V2) {
assert(V1.getType()->isInteger() && V2.getType() == Type::UByteTy);
- return ConstRules::get(V1, V2)->shr(&V1, &V2);
+ return ConstRules::get(V1, V2).shr(&V1, &V2);
}
inline ConstantBool *operator<(const Constant &V1,
const Constant &V2) {
assert(V1.getType() == V2.getType() && "Constant types must be identical!");
- return ConstRules::get(V1, V2)->lessthan(&V1, &V2);
+ return ConstRules::get(V1, V2).lessthan(&V1, &V2);
}
+inline ConstantBool *operator==(const Constant &V1, const Constant &V2) {
+ assert(V1.getType() == V2.getType() && "Constant types must be identical!");
+ return ConstRules::get(V1, V2).equalto(&V1, &V2);
+}
//===----------------------------------------------------------------------===//
// Implement 'derived' operators based on what we already have...
//===----------------------------------------------------------------------===//
+inline ConstantBool *operator!=(const Constant &V1, const Constant &V2) {
+ if (ConstantBool *V = (V1 == V2))
+ return V->inverted(); // !(V1 == V2)
+ return 0;
+}
+
inline ConstantBool *operator>(const Constant &V1,
const Constant &V2) {
return V2 < V1;
const Constant *V2);
Constant *ConstantFoldGetElementPtr(const Constant *C,
const std::vector<Constant*> &IdxList);
+
+} // End llvm namespace
+
#endif