Make aliases explicit in the summary

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.

Reviewers: tejohnson

Subscribers: llvm-commits

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

From: Mehdi Amini <mehdi.amini@apple.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266214 91177308-0d34-0410-b5e6-96231b3b80d8

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) {