Implement zero-initialization for array new when there is an

initializer of (). Make sure to use a simple memset() when we can, or
fall back to generating a loop when a simple memset will not
suffice. Fixes <rdar://problem/8212208>, a regression due to my work
in r107857.

llvm-svn: 108977

1 files changed, 4 insertions, 2 deletions

diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index d335e2b4f82..3e31803753c 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -1053,13 +1053,15 @@ public:
                                   const ConstantArrayType *ArrayTy,
                                   llvm::Value *ArrayPtr,
                                   CallExpr::const_arg_iterator ArgBeg,
-                                  CallExpr::const_arg_iterator ArgEnd);
+                                  CallExpr::const_arg_iterator ArgEnd,
+                                  bool ZeroInitialization = false);
   
   void EmitCXXAggrConstructorCall(const CXXConstructorDecl *D,
                                   llvm::Value *NumElements,
                                   llvm::Value *ArrayPtr,
                                   CallExpr::const_arg_iterator ArgBeg,
-                                  CallExpr::const_arg_iterator ArgEnd);
+                                  CallExpr::const_arg_iterator ArgEnd,
+                                  bool ZeroInitialization = false);
 
   void EmitCXXAggrDestructorCall(const CXXDestructorDecl *D,
                                  const ArrayType *Array,