Fix a bunch of really nasty bugs in how we compute alignment for reference lvalues. PR11376.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144745 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index 09b8b2b373..740a13e122 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -1541,6 +1541,15 @@ public:
     return LValue::MakeAddr(V, T, Alignment, getContext(),
                             CGM.getTBAAInfo(T));
   }
+  LValue MakeNaturalAlignAddrLValue(llvm::Value *V, QualType T) {
+    unsigned Alignment;
+    if (T->isIncompleteType())
+      Alignment = 0;
+    else
+      Alignment = getContext().getTypeAlignInChars(T).getQuantity();
+    return LValue::MakeAddr(V, T, Alignment, getContext(),
+                            CGM.getTBAAInfo(T));
+  }
 
   /// CreateTempAlloca - This creates a alloca and inserts it into the entry
   /// block. The caller is responsible for setting an appropriate alignment on