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Fix infinite loop due to iteration
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16864 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -374,16 +374,22 @@ static bool ProcessInternalGlobal(GlobalVariable *GV, Module::giterator &GVI) {
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// Delete it now.
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if (!GS.isLoaded) {
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DEBUG(std::cerr << "GLOBAL NEVER LOADED: " << *GV);
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unsigned NumUsers = GV->use_size();
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// Delete any stores we can find to the global. We may not be able to
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// make it completely dead though.
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CleanupConstantGlobalUsers(GV, GV->getInitializer());
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// Did we delete any stores?
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bool Changed = NumUsers != GV->use_size();
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// If the global is dead now, delete it.
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if (GV->use_empty()) {
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GV->getParent()->getGlobalList().erase(GV);
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++NumDeleted;
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Changed = true;
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}
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return true;
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return Changed;
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} else if (GS.StoredType <= GlobalStatus::isInitializerStored) {
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DEBUG(std::cerr << "MARKING CONSTANT: " << *GV);
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