-#ifndef LLVM_OPT_CONSTANTHANDLING_H
-#define LLVM_OPT_CONSTANTHANDLING_H
-
-#include "llvm/ConstantVals.h"
-#include "llvm/Instruction.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);
-}
-
-inline ConstantBool *operator!=(const Constant &V1,
- const Constant &V2) {
- return ConstantBool::get(&V1 != &V2);
-}
-
-//===----------------------------------------------------------------------===//
-// 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
-
- // Unary Operators...
- virtual Constant *op_not(const Constant *V) const = 0;
-
- // Binary Operators...
- virtual Constant *add(const Constant *V1,
- const Constant *V2) const = 0;
- virtual Constant *sub(const Constant *V1,
- const Constant *V2) const = 0;
- virtual Constant *mul(const Constant *V1,
- const Constant *V2) const = 0;
- virtual Constant *div(const Constant *V1,
- const Constant *V2) const = 0;
-
- virtual ConstantBool *lessthan(const Constant *V1,
- const Constant *V2) const = 0;
-
- // Casting operators. ick
- virtual ConstantBool *castToBool (const Constant *V) const = 0;
- virtual ConstantSInt *castToSByte (const Constant *V) const = 0;
- virtual ConstantUInt *castToUByte (const Constant *V) const = 0;
- virtual ConstantSInt *castToShort (const Constant *V) const = 0;
- virtual ConstantUInt *castToUShort(const Constant *V) const = 0;
- virtual ConstantSInt *castToInt (const Constant *V) const = 0;
- virtual ConstantUInt *castToUInt (const Constant *V) const = 0;
- virtual ConstantSInt *castToLong (const Constant *V) const = 0;
- virtual ConstantUInt *castToULong (const Constant *V) const = 0;
- virtual ConstantFP *castToFloat (const Constant *V) const = 0;
- virtual ConstantFP *castToDouble(const Constant *V) const = 0;
- virtual ConstantPointer *castToPointer(const Constant *V,
- const PointerType *Ty) const = 0;
-
- inline Constant *castTo(const Constant *V, const Type *Ty) const {
- switch (Ty->getPrimitiveID()) {
- case Type::BoolTyID: return castToBool(V);
- case Type::UByteTyID: return castToUByte(V);
- case Type::SByteTyID: return castToSByte(V);
- case Type::UShortTyID: return castToUShort(V);
- case Type::ShortTyID: return castToShort(V);
- case Type::UIntTyID: return castToUInt(V);
- case Type::IntTyID: return castToInt(V);
- case Type::ULongTyID: return castToULong(V);
- 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);
- 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...
- //
- static inline ConstRules *get(const Constant &V) {
- return (ConstRules*)V.getType()->getOrCreateAnnotation(AID);
- }
-private :
- static Annotation *find(AnnotationID AID, const Annotable *Ty, void *);
-
- ConstRules(const ConstRules &); // Do not implement
- ConstRules &operator=(const ConstRules &); // Do not implement
-};
-
-
-inline Constant *operator!(const Constant &V) {
- return ConstRules::get(V)->op_not(&V);
-}
-
-
-
-inline Constant *operator+(const Constant &V1, const Constant &V2) {
- assert(V1.getType() == V2.getType() && "Constant types must be identical!");
- return ConstRules::get(V1)->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)->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)->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)->div(&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)->lessthan(&V1, &V2);
-}
-
-
-//===----------------------------------------------------------------------===//
-// Implement 'derived' operators based on what we already have...
-//===----------------------------------------------------------------------===//
-
-inline ConstantBool *operator>(const Constant &V1,
- const Constant &V2) {
- return V2 < V1;
-}
-
-inline ConstantBool *operator>=(const Constant &V1,
- const Constant &V2) {
- return (V1 < V2)->inverted(); // !(V1 < V2)
-}
-
-inline ConstantBool *operator<=(const Constant &V1,
- const Constant &V2) {
- return (V1 > V2)->inverted(); // !(V1 > V2)
-}
-
-
-//===----------------------------------------------------------------------===//
-// Implement higher level instruction folding type instructions
-//===----------------------------------------------------------------------===//
-
-inline Constant *ConstantFoldCastInstruction(const Constant *V,
- const Type *DestTy) {
- return ConstRules::get(*V)->castTo(V, DestTy);
-}