/// true for things like constant expressions that could divide by zero.
bool canTrap() const;
+ /// isThreadDependent - Return true if the value can vary between threads.
+ bool isThreadDependent() const;
+
/// isConstantUsed - Return true if the constant has users other than constant
/// exprs and other dangling things.
bool isConstantUsed() const;
/// 'this' is a constant expr.
Constant *getAggregateElement(unsigned Elt) const;
Constant *getAggregateElement(Constant *Elt) const;
-
+
+ /// getSplatValue - If this is a splat vector constant, meaning that all of
+ /// the elements have the same value, return that value. Otherwise return 0.
+ Constant *getSplatValue() const;
+
+ /// If C is a constant integer then return its value, otherwise C must be a
+ /// vector of constant integers, all equal, and the common value is returned.
+ const APInt &getUniqueInteger() const;
+
/// destroyConstant - Called if some element of this constant is no longer
/// valid. At this point only other constants may be on the use_list for this
/// constant. Any constants on our Use list must also be destroy'd. The
virtual void destroyConstant() { llvm_unreachable("Not reached!"); }
//// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const Constant *) { return true; }
- static inline bool classof(const GlobalValue *) { return true; }
static inline bool classof(const Value *V) {
return V->getValueID() >= ConstantFirstVal &&
V->getValueID() <= ConstantLastVal;