for (Module::alias_iterator I = M.alias_begin(), E = M.alias_end();
I != E; ++I) {
- Changed |= RemoveUnusedGlobalValue(*I);
// Aliases are always needed even if they are not used.
- GlobalIsNeeded(I);
+ MarkUsedGlobalsAsNeeded(cast<Constant>(I->getAliasee()));
}
// Now that all globals which are needed are in the AliveGlobals set, we loop
// referenced by the initializer to the alive set.
if (GV->hasInitializer())
MarkUsedGlobalsAsNeeded(GV->getInitializer());
- } else if (GlobalAlias *GA = dyn_cast<GlobalAlias>(G)) {
- // If this is a global alias we also need it's aliasee
- GlobalIsNeeded(const_cast<GlobalValue*>(GA->getAliasee()));
- } else {
+ } else if (!isa<GlobalAlias>(G)) {
// Otherwise this must be a function object. We have to scan the body of
// the function looking for constants and global values which are used as
// operands. Any operands of these types must be processed to ensure that