ThinLTO: Make aliases explicit in the summary

To be able to work accurately on the reference graph when taking
decision about internalizing, promoting, renaming, etc. We need
to have the alias information explicit.

Differential Revision: http://reviews.llvm.org/D18836

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 266517

llvm/lib/IR/ModuleSummaryIndex.cpp

@@ -73,7 +73,7 @@ void ModuleSummaryIndex::removeEmptySummaryEntries() {
 // (GUID -> Summary).
 void ModuleSummaryIndex::collectDefinedFunctionsForModule(
     StringRef ModulePath,
-    std::map<GlobalValue::GUID, FunctionSummary *> &FunctionInfoMap) const {
+    std::map<GlobalValue::GUID, GlobalValueSummary *> &FunctionInfoMap) const {
   for (auto &GlobalList : *this) {
     auto GUID = GlobalList.first;
     for (auto &GlobInfo : GlobalList.second) {