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Add support for casting operators 

llvm-svn: 243
This commit is contained in:
Chris Lattner 2001-07-21 19:10:33 +00:00
parent e850a7920e
commit c9f7c061bc
1 changed files with 30 additions and 0 deletions
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30
llvm/include/llvm/ConstantHandling.h
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@ -73,6 +73,36 @@ public:
virtual ConstPoolBool *lessthan(const ConstPoolVal *V1,
const ConstPoolVal *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 {
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);
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...