//
// Unfortunately we can't overload operators on pointer types (like this:)
//
-// inline bool operator==(const ConstPoolVal *V1, const ConstPoolVal *V2)
+// inline bool operator==(const Constant *V1, const Constant *V2)
//
// so we must make due with references, even though it leads to some butt ugly
-// looking code downstream. *sigh* (ex: ConstPoolVal *Result = *V1 + *v2; )
+// looking code downstream. *sigh* (ex: Constant *Result = *V1 + *v2; )
//
//===----------------------------------------------------------------------===//
//
#ifndef LLVM_OPT_CONSTANTHANDLING_H
#define LLVM_OPT_CONSTANTHANDLING_H
-#include "llvm/ConstPoolVals.h"
+#include "llvm/ConstantVals.h"
#include "llvm/Instruction.h"
#include "llvm/Type.h"
-
-namespace opt {
+class PointerType;
//===----------------------------------------------------------------------===//
// Implement == and != directly...
//===----------------------------------------------------------------------===//
-inline ConstPoolBool *operator==(const ConstPoolVal &V1,
- const ConstPoolVal &V2) {
+inline ConstantBool *operator==(const Constant &V1,
+ const Constant &V2) {
assert(V1.getType() == V2.getType() && "Constant types must be identical!");
- return ConstPoolBool::get(&V1 == &V2);
+ return ConstantBool::get(&V1 == &V2);
}
-inline ConstPoolBool *operator!=(const ConstPoolVal &V1,
- const ConstPoolVal &V2) {
- return ConstPoolBool::get(&V1 != &V2);
+inline ConstantBool *operator!=(const Constant &V1,
+ const Constant &V2) {
+ return ConstantBool::get(&V1 != &V2);
}
//===----------------------------------------------------------------------===//
static AnnotationID AID; // AnnotationID for this class
// Unary Operators...
- virtual ConstPoolVal *op_not(const ConstPoolVal *V) const = 0;
+ virtual Constant *op_not(const Constant *V) const = 0;
// Binary Operators...
- virtual ConstPoolVal *add(const ConstPoolVal *V1,
- const ConstPoolVal *V2) const = 0;
- virtual ConstPoolVal *sub(const ConstPoolVal *V1,
- const ConstPoolVal *V2) const = 0;
- virtual ConstPoolVal *mul(const ConstPoolVal *V1,
- const ConstPoolVal *V2) const = 0;
+ 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 ConstPoolBool *lessthan(const ConstPoolVal *V1,
- const ConstPoolVal *V2) const = 0;
+ virtual ConstantBool *lessthan(const Constant *V1,
+ const Constant *V2) const = 0;
// Casting operators. ick
- virtual ConstPoolBool *castToBool (const ConstPoolVal *V) const = 0;
- virtual ConstPoolSInt *castToSByte (const ConstPoolVal *V) const = 0;
- virtual ConstPoolUInt *castToUByte (const ConstPoolVal *V) const = 0;
- virtual ConstPoolSInt *castToShort (const ConstPoolVal *V) const = 0;
- virtual ConstPoolUInt *castToUShort(const ConstPoolVal *V) const = 0;
- virtual ConstPoolSInt *castToInt (const ConstPoolVal *V) const = 0;
- virtual ConstPoolUInt *castToUInt (const ConstPoolVal *V) const = 0;
- virtual ConstPoolSInt *castToLong (const ConstPoolVal *V) const = 0;
- virtual ConstPoolUInt *castToULong (const ConstPoolVal *V) const = 0;
- virtual ConstPoolFP *castToFloat (const ConstPoolVal *V) const = 0;
- virtual ConstPoolFP *castToDouble(const ConstPoolVal *V) const = 0;
-
- inline ConstPoolVal *castTo(const ConstPoolVal *V, const Type *Ty) const {
+ 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::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;
}
}
// we just want to make sure to hit the cache instead of doing it indirectly,
// if possible...
//
- static inline ConstRules *get(const ConstPoolVal &V) {
+ static inline ConstRules *get(const Constant &V) {
return (ConstRules*)V.getType()->getOrCreateAnnotation(AID);
}
private :
};
-inline ConstPoolVal *operator!(const ConstPoolVal &V) {
+inline Constant *operator!(const Constant &V) {
return ConstRules::get(V)->op_not(&V);
}
-inline ConstPoolVal *operator+(const ConstPoolVal &V1, const ConstPoolVal &V2) {
+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 ConstPoolVal *operator-(const ConstPoolVal &V1, const ConstPoolVal &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 ConstPoolVal *operator*(const ConstPoolVal &V1, const ConstPoolVal &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 ConstPoolBool *operator<(const ConstPoolVal &V1,
- const ConstPoolVal &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 ConstPoolBool *operator>(const ConstPoolVal &V1,
- const ConstPoolVal &V2) {
+inline ConstantBool *operator>(const Constant &V1,
+ const Constant &V2) {
return V2 < V1;
}
-inline ConstPoolBool *operator>=(const ConstPoolVal &V1,
- const ConstPoolVal &V2) {
+inline ConstantBool *operator>=(const Constant &V1,
+ const Constant &V2) {
return (V1 < V2)->inverted(); // !(V1 < V2)
}
-inline ConstPoolBool *operator<=(const ConstPoolVal &V1,
- const ConstPoolVal &V2) {
+inline ConstantBool *operator<=(const Constant &V1,
+ const Constant &V2) {
return (V1 > V2)->inverted(); // !(V1 > V2)
}
// Implement higher level instruction folding type instructions
//===----------------------------------------------------------------------===//
-inline ConstPoolVal *ConstantFoldUnaryInstruction(unsigned Opcode,
- ConstPoolVal *V) {
+inline Constant *ConstantFoldCastInstruction(const Constant *V,
+ const Type *DestTy) {
+ return ConstRules::get(*V)->castTo(V, DestTy);
+}
+
+inline Constant *ConstantFoldUnaryInstruction(unsigned Opcode,
+ const Constant *V) {
switch (Opcode) {
case Instruction::Not: return !*V;
+ // TODO: Handle get element ptr instruction here in the future? GEP null?
}
return 0;
}
-inline ConstPoolVal *ConstantFoldBinaryInstruction(unsigned Opcode,
- ConstPoolVal *V1,
- ConstPoolVal *V2) {
+inline Constant *ConstantFoldBinaryInstruction(unsigned Opcode,
+ const Constant *V1,
+ const Constant *V2) {
switch (Opcode) {
case Instruction::Add: return *V1 + *V2;
case Instruction::Sub: return *V1 - *V2;
return 0;
}
-} // end namespace opt
#endif