From c7d77b25a37acad689ae5c318fdf80fde92983f0 Mon Sep 17 00:00:00 2001
From: Manman Ren <mren@apple.com>
Date: Tue, 30 Apr 2013 17:38:09 +0000
Subject: Struct-path aware TBAA: enable struct-path aware TBAA for classes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180795 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/CodeGenTBAA.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'lib/CodeGen')

diff --git a/lib/CodeGen/CodeGenTBAA.cpp b/lib/CodeGen/CodeGenTBAA.cpp
index 54e0de6c12..5ff1560a48 100644
--- a/lib/CodeGen/CodeGenTBAA.cpp
+++ b/lib/CodeGen/CodeGenTBAA.cpp
@@ -255,9 +255,11 @@ CodeGenTBAA::getTBAAStructInfo(QualType QTy) {
 static bool isTBAAPathStruct(QualType QTy) {
   if (const RecordType *TTy = QTy->getAs<RecordType>()) {
     const RecordDecl *RD = TTy->getDecl()->getDefinition();
+    if (RD->hasFlexibleArrayMember())
+      return false;
     // RD can be struct, union, class, interface or enum.
-    // For now, we only handle struct.
-    if (RD->isStruct() && !RD->hasFlexibleArrayMember())
+    // For now, we only handle struct and class.
+    if (RD->isStruct() || RD->isClass())
       return true;
   }
   return false;
-- 
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