/// This function returns true if the global value is now dead. If all
/// users of this global are not dead, this method may return false and
/// leave some of them around.
-bool GlobalValue::removeDeadConstantUsers() {
+void GlobalValue::removeDeadConstantUsers() {
while(!use_empty()) {
if (Constant* User = dyn_cast<Constant>(use_back())) {
if (!::removeDeadConstantUsers(User))
- return false; // Constant wasn't dead
+ return; // Constant wasn't dead
} else {
- return false; // Non-constant usage;
+ return; // Non-constant usage;
}
}
- return true;
-}
-
-/// This virtual destructor is responsible for deleting any transitively dead
-/// Constants that are using the GlobalValue.
-GlobalValue::~GlobalValue() {
- // Its an error to attempt destruction with non-constant uses remaining.
- bool okay_to_destruct = removeDeadConstantUsers();
- assert(okay_to_destruct &&
- "Can't destroy GlobalValue with non-constant uses.");
}
/// Override destroyConstant to make sure it doesn't get called on