2221 static bool hasUseOtherThanLLVMUsed(GlobalAlias &GA, const LLVMUsed &U) {  in hasUseOtherThanLLVMUsed()  argument
2222   if (GA.use_empty()) // No use at all.  in hasUseOtherThanLLVMUsed()
2225   assert((!U.usedCount(&GA) || !U.compilerUsedCount(&GA)) &&  in hasUseOtherThanLLVMUsed()
2228   if (!GA.hasOneUse())  in hasUseOtherThanLLVMUsed()
2234   return !U.usedCount(&GA) && !U.compilerUsedCount(&GA);  in hasUseOtherThanLLVMUsed()
2248 static bool mayHaveOtherReferences(GlobalAlias &GA, const LLVMUsed &U) {  in mayHaveOtherReferences()  argument
2249   if (!GA.hasLocalLinkage())  in mayHaveOtherReferences()
2252   return U.usedCount(&GA) || U.compilerUsedCount(&GA);  in mayHaveOtherReferences()
2255 static bool hasUsesToReplace(GlobalAlias &GA, const LLVMUsed &U,  in hasUsesToReplace()  argument
2259   if (hasUseOtherThanLLVMUsed(GA, U))  in hasUsesToReplace()
2263   if (!mayHaveOtherReferences(GA, U))  in hasUsesToReplace()
2272   Constant *Aliasee = GA.getAliasee();  in hasUsesToReplace()
2479     for (GlobalAlias &GA : M.aliases())  in optimizeGlobalsInModule()
2480       if (const Comdat *C = GA.getComdat())  in optimizeGlobalsInModule()
2481         if (!GA.isDiscardableIfUnused() || !GA.use_empty())  in optimizeGlobalsInModule()