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Constant folding shalt not be built on annotations

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10052 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2003-11-17 19:05:17 +00:00
parent 02071d08c1
commit 0dc396909e
4 changed files with 102 additions and 148 deletions
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47
include/llvm/ConstantHandling.h
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@@ -64,11 +64,8 @@ inline ConstantBool *operator!=(const Constant &V1, const Constant &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
struct ConstRules {
ConstRules() {}
// Binary Operators...
virtual Constant *add(const Constant *V1, const Constant *V2) const = 0;
@@ -119,19 +116,11 @@ public:
}
}
// 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 static_cast<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
};
@@ -139,71 +128,71 @@ private:
// Unary operators...
inline Constant *operator~(const Constant &V) {
assert(V.getType()->isIntegral() && "Cannot invert non-integral constant!");
return ConstRules::get(V, V)->op_xor(&V,
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);
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);
}