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Implement remainder

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Fix implementation of Not


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2464 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-05-03 21:41:07 +00:00
parent bdd15ad565
commit 44540ddaa0
1 changed files with 46 additions and 9 deletions
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55
lib/VMCore/ConstantFold.cpp
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@ -5,6 +5,7 @@
//===----------------------------------------------------------------------===//
#include "llvm/ConstantHandling.h"
#include <cmath>
AnnotationID ConstRules::AID(AnnotationManager::getID("opt::ConstRules",
&ConstRules::find));
@ -51,6 +52,10 @@ class TemplateRules : public ConstRules {
const Constant *V2) const {
return SubClassName::Div((const ArgType *)V1, (const ArgType *)V2);
}
virtual Constant *rem(const Constant *V1,
const Constant *V2) const {
return SubClassName::Rem((const ArgType *)V1, (const ArgType *)V2);
}
virtual ConstantBool *lessthan(const Constant *V1,
const Constant *V2) const {
@ -114,6 +119,9 @@ class TemplateRules : public ConstRules {
inline static Constant *Div(const ArgType *V1, const ArgType *V2) {
return 0;
}
inline static Constant *Rem(const ArgType *V1, const ArgType *V2) {
return 0;
}
inline static ConstantBool *LessThan(const ArgType *V1, const ArgType *V2) {
return 0;
}
@ -242,11 +250,8 @@ struct PointerRules : public TemplateRules<ConstantPointer, PointerRules> {
// different types. This allows the C++ compiler to automatically generate our
// constant handling operations in a typesafe and accurate manner.
//
template<class ConstantClass, class BuiltinType, Type **Ty>
struct DirectRules
: public TemplateRules<ConstantClass,
DirectRules<ConstantClass, BuiltinType, Ty> > {
template<class ConstantClass, class BuiltinType, Type **Ty, class SuperClass>
struct DirectRules : public TemplateRules<ConstantClass, SuperClass> {
inline static Constant *Add(const ConstantClass *V1,
const ConstantClass *V2) {
BuiltinType Result = (BuiltinType)V1->getValue() +
@ -268,8 +273,9 @@ struct DirectRules
return ConstantClass::get(*Ty, Result);
}
inline static Constant *Div(const ConstantClass *V1,
inline static Constant *Div(const ConstantClass *V1,
const ConstantClass *V2) {
if (V2->isNullValue()) return 0;
BuiltinType Result = (BuiltinType)V1->getValue() /
(BuiltinType)V2->getValue();
return ConstantClass::get(*Ty, Result);
@ -317,10 +323,41 @@ struct DirectRules
// integer types, but not all types in general.
//
template <class ConstantClass, class BuiltinType, Type **Ty>
struct DirectIntRules : public DirectRules<ConstantClass, BuiltinType, Ty> {
struct DirectIntRules
: public DirectRules<ConstantClass, BuiltinType, Ty,
DirectIntRules<ConstantClass, BuiltinType, Ty> > {
inline static Constant *Not(const ConstantClass *V) {
return ConstantClass::get(*Ty, ~(BuiltinType)V->getValue());;
}
inline static Constant *Rem(const ConstantClass *V1,
const ConstantClass *V2) {
if (V2->isNullValue()) return 0;
BuiltinType Result = (BuiltinType)V1->getValue() %
(BuiltinType)V2->getValue();
return ConstantClass::get(*Ty, Result);
}
};
//===----------------------------------------------------------------------===//
// DirectFPRules Class
//===----------------------------------------------------------------------===//
//
// DirectFPRules provides implementations of functions that are valid on
// floating point types, but not all types in general.
//
template <class ConstantClass, class BuiltinType, Type **Ty>
struct DirectFPRules
: public DirectRules<ConstantClass, BuiltinType, Ty,
DirectFPRules<ConstantClass, BuiltinType, Ty> > {
inline static Constant *Rem(const ConstantClass *V1,
const ConstantClass *V2) {
if (V2->isNullValue()) return 0;
BuiltinType Result = std::fmod((BuiltinType)V1->getValue(),
(BuiltinType)V2->getValue());
return ConstantClass::get(*Ty, Result);
}
};
@ -360,9 +397,9 @@ Annotation *ConstRules::find(AnnotationID AID, const Annotable *TyA, void *) {
case Type::ULongTyID:
return new DirectIntRules<ConstantUInt, uint64_t , &Type::ULongTy>();
case Type::FloatTyID:
return new DirectRules<ConstantFP , float , &Type::FloatTy>();
return new DirectFPRules<ConstantFP , float , &Type::FloatTy>();
case Type::DoubleTyID:
return new DirectRules<ConstantFP , double , &Type::DoubleTy>();
return new DirectFPRules<ConstantFP , double , &Type::DoubleTy>();
default:
return new EmptyRules();
}