#include "llvm/User.h"
namespace llvm {
+ class APInt;
+
template<typename T> class SmallVectorImpl;
class LLVMContext;
: User(ty, vty, Ops, NumOps) {}
void destroyConstantImpl();
+
+ void setOperand(unsigned i, Value *V) {
+ User::setOperand(i, V);
+ }
public:
/// isNullValue - Return true if this is the value that would be returned by
/// getNullValue.
/// true for things like constant expressions that could divide by zero.
bool canTrap() const;
+ /// isConstantUsed - Return true if the constant has users other than constant
+ /// exprs and other dangling things.
+ bool isConstantUsed() const;
+
enum PossibleRelocationsTy {
NoRelocation = 0,
LocalRelocation = 1,
/// FIXME: This really should not be in VMCore.
PossibleRelocationsTy getRelocationInfo() const;
- // Specialize get/setOperand for Constants as their operands are always
- // constants as well.
- Constant *getOperand(unsigned i) {
- return static_cast<Constant*>(User::getOperand(i));
+ // Specialize get/setOperand for Users as their operands are always
+ // constants or BasicBlocks as well.
+ User *getOperand(unsigned i) {
+ return static_cast<User*>(User::getOperand(i));
}
- const Constant *getOperand(unsigned i) const {
- return static_cast<const Constant*>(User::getOperand(i));
- }
- void setOperand(unsigned i, Constant *C) {
- User::setOperand(i, C);
+ const User *getOperand(unsigned i) const {
+ return static_cast<const User*>(User::getOperand(i));
}
/// getVectorElements - This method, which is only valid on constant of vector
"implemented for all constants that have operands!");
assert(0 && "Constants that do not have operands cannot be using 'From'!");
}
+
+ static Constant* getNullValue(const Type* Ty);
+
+ /// @returns the value for an integer constant of the given type that has all
+ /// its bits set to true.
+ /// @brief Get the all ones value
+ static Constant* getAllOnesValue(const Type* Ty);
+
+ /// getIntegerValue - Return the value for an integer or pointer constant,
+ /// or a vector thereof, with the given scalar value.
+ static Constant* getIntegerValue(const Type* Ty, const APInt &V);
};
} // End llvm namespace