2 files changed, 15 insertions, 0 deletions
diff --git a/llvm/lib/IR/AsmWriter.cpp b/llvm/lib/IR/AsmWriter.cpp
index 376262b..b5db8bd 100644
--- a/llvm/lib/IR/AsmWriter.cpp
+++ b/llvm/lib/IR/AsmWriter.cpp
@@ -3041,6 +3041,7 @@ void AssemblyWriter::printSummary(const GlobalValueSummary &Summary) {
   Out << ", notEligibleToImport: " << GVFlags.NotEligibleToImport;
   Out << ", live: " << GVFlags.Live;
   Out << ", dsoLocal: " << GVFlags.DSOLocal;
+  Out << ", canAutoHide: " << GVFlags.CanAutoHide;
   Out << ")";
 
   if (Summary.getSummaryKind() == GlobalValueSummary::AliasKind)
diff --git a/llvm/lib/IR/ModuleSummaryIndex.cpp b/llvm/lib/IR/ModuleSummaryIndex.cpp
index 4704215..18b7ac09 100644
--- a/llvm/lib/IR/ModuleSummaryIndex.cpp
+++ b/llvm/lib/IR/ModuleSummaryIndex.cpp
@@ -26,6 +26,7 @@ STATISTIC(ReadOnlyLiveGVars,
 
 FunctionSummary FunctionSummary::ExternalNode =
     FunctionSummary::makeDummyFunctionSummary({});
+
 bool ValueInfo::isDSOLocal() const {
   // Need to check all summaries are local in case of hash collisions.
   return getSummaryList().size() &&
@@ -35,6 +36,15 @@ bool ValueInfo::isDSOLocal() const {
                       });
 }
 
+bool ValueInfo::canAutoHide() const {
+  // Can only auto hide if all copies are eligible to auto hide.
+  return getSummaryList().size() &&
+         llvm::all_of(getSummaryList(),
+                      [](const std::unique_ptr<GlobalValueSummary> &Summary) {
+                        return Summary->canAutoHide();
+                      });
+}
+
 // Gets the number of immutable refs in RefEdgeList
 unsigned FunctionSummary::immutableRefCount() const {
   // Here we take advantage of having all readonly references
@@ -399,6 +409,10 @@ void ModuleSummaryIndex::exportToDot(raw_ostream &OS) const {
         if (Flags.Live && hasReadOnlyFlag(SummaryIt.second))
           A.addComment("immutable");
       }
+      if (Flags.DSOLocal)
+        A.addComment("dsoLocal");
+      if (Flags.CanAutoHide)
+        A.addComment("canAutoHide");
 
       auto VI = getValueInfo(SummaryIt.first);
       A.add("label", getNodeLabel(VI, SummaryIt.second));