Index: lib/ProfileData/InstrProfWriter.cpp
===================================================================
--- lib/ProfileData/InstrProfWriter.cpp
+++ lib/ProfileData/InstrProfWriter.cpp
@@ -376,14 +376,37 @@
   if (ProfileKind == PF_IRLevel)
     OS << "# IR level Instrumentation Flag\n:ir\n";
   InstrProfSymtab Symtab;
-  for (const auto &I : FunctionData)
-    if (shouldEncodeData(I.getValue()))
+
+  using FuncPair = detail::DenseMapPair<uint64_t, InstrProfRecord>;
+  using RecordType = std::pair<StringRef, FuncPair>;
+
+  SmallVector<RecordType, 4> OrderedFuncData;
+  for (const auto &I : FunctionData) {
+    if (shouldEncodeData(I.getValue())) {
       if (Error E = Symtab.addFuncName(I.getKey()))
         return E;
-
-  for (const auto &I : FunctionData)
-    if (shouldEncodeData(I.getValue()))
       for (const auto &Func : I.getValue())
-        writeRecordInText(I.getKey(), Func.first, Func.second, Symtab, OS);
+        OrderedFuncData.push_back(std::make_pair(I.getKey(), Func));
+    }
+  }
+
+  llvm::sort(OrderedFuncData, [](const RecordType &A, const RecordType &B) {
+                                 auto nameA = A.first;
+                                 auto nameB = B.first;
+                                 int comp = nameA.compare(nameB);
+                                 if (comp)
+                                   return comp < 0;
+
+                                 auto hashA = A.second.first;
+                                 auto hashB = B.second.first;
+                                 return hashA < hashB;
+                              });
+
+  for (const auto &record : OrderedFuncData) {
+    const auto &name = record.first;
+    const auto &Func = record.second;
+    writeRecordInText(name, Func.first, Func.second, Symtab, OS);
+  }
+
   return Error::success();
 }