Revert "[IndirectCallPromotion] Don't strip ".__uniq." suffix when it…

… strips"

This reverts commit 90dfbee.
Causes PR49554. Also see comments on https://reviews.llvm.org/D98389

llvm/lib/ProfileData/InstrProf.cpp

@@ -353,29 +353,16 @@ Error InstrProfSymtab::create(Module &M, bool InLTO) {
       return E;
     MD5FuncMap.emplace_back(Function::getGUID(PGOFuncName), &F);
     // In ThinLTO, local function may have been promoted to global and have
-    // suffix ".llvm." added to the function name. We need to add the
-    // stripped function name to the symbol table so that we can find a match
-    // from profile.
-    //
-    // We may have other suffixes similar as ".llvm." which are needed to
-    // be stripped before the matching, but ".__uniq." suffix which is used
-    // to differentiate internal linkage functions in different modules
-    // should be kept. Now this is the only suffix with the pattern ".xxx"
-    // which is kept before matching.
-    const std::string UniqSuffix = ".__uniq.";
-    auto pos = PGOFuncName.find(UniqSuffix);
-    // Search '.' after ".__uniq." if ".__uniq." exists, otherwise
-    // search '.' from the beginning.
-    if (pos != std::string::npos)
-      pos += UniqSuffix.length();
-    else
-      pos = 0;
-    pos = PGOFuncName.find('.', pos);
-    if (pos != std::string::npos) {
-      const std::string &OtherFuncName = PGOFuncName.substr(0, pos);
-      if (Error E = addFuncName(OtherFuncName))
-        return E;
-      MD5FuncMap.emplace_back(Function::getGUID(OtherFuncName), &F);
+    // suffix added to the function name. We need to add the stripped function
+    // name to the symbol table so that we can find a match from profile.
+    if (InLTO) {
+      auto pos = PGOFuncName.find('.');
+      if (pos != std::string::npos) {
+        const std::string &OtherFuncName = PGOFuncName.substr(0, pos);
+        if (Error E = addFuncName(OtherFuncName))
+          return E;
+        MD5FuncMap.emplace_back(Function::getGUID(OtherFuncName), &F);
+      }
     }
   }
   Sorted = false;