Thread safety: refactoring various out of scope warnings to use the same inteface. This eliminates a lot of unnecessary duplicated code.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139801 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/AnalysisBasedWarnings.cpp b/lib/Sema/AnalysisBasedWarnings.cpp
index bbd8fa3..15800b3 100644
--- a/lib/Sema/AnalysisBasedWarnings.cpp
+++ b/lib/Sema/AnalysisBasedWarnings.cpp
@@ -633,20 +633,23 @@
     warnLockMismatch(diag::warn_double_lock, LockName, Loc);
   }
 
-  void handleMutexHeldEndOfScope(Name LockName, SourceLocation Loc){
-    warnLockMismatch(diag::warn_lock_at_end_of_scope, LockName, Loc);
+  void handleMutexHeldEndOfScope(Name LockName, SourceLocation Loc,
+                                 LockErrorKind LEK){
+    unsigned DiagID = 0;
+    switch (LEK) {
+      case LEK_LockedSomePredecessors:
+        DiagID = diag::warn_lock_at_end_of_scope;
+        break;
+      case LEK_LockedSomeLoopIterations:
+        DiagID = diag::warn_expecting_lock_held_on_loop;
+        break;
+      case LEK_LockedAtEndOfFunction:
+        DiagID = diag::warn_no_unlock;
+        break;
+    }
+    warnLockMismatch(DiagID, LockName, Loc);
   }
 
-  void handleNoLockLoopEntry(Name LockName, SourceLocation Loc) {
-    warnLockMismatch(diag::warn_expecting_lock_held_on_loop, LockName, Loc);
-  }
-
-  void handleNoUnlock(Name LockName, llvm::StringRef FunName,
-                      SourceLocation Loc) {
-    PartialDiagnostic Warning =
-      S.PDiag(diag::warn_no_unlock) << LockName << FunName;
-    Warnings.push_back(DelayedDiag(Loc, Warning));
-  }
 
   void handleExclusiveAndShared(Name LockName, SourceLocation Loc1,
                                 SourceLocation Loc2) {