implement rdar://7346691 by codegen'ing struct/array initializers
to a memset or a memcpy from a global when possible.
llvm-svn: 90658
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index 8a386de..1a49c94 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -1076,9 +1076,18 @@
/// CreateStaticBlockVarDecl - Create a zero-initialized LLVM global for a
/// static block var decl.
- llvm::GlobalVariable * CreateStaticBlockVarDecl(const VarDecl &D,
- const char *Separator,
+ llvm::GlobalVariable *CreateStaticBlockVarDecl(const VarDecl &D,
+ const char *Separator,
llvm::GlobalValue::LinkageTypes Linkage);
+
+ /// AddInitializerToGlobalBlockVarDecl - Add the initializer for 'D' to the
+ /// global variable that has already been created for it. If the initializer
+ /// has a different type than GV does, this may free GV and return a different
+ /// one. Otherwise it just returns GV.
+ llvm::GlobalVariable *
+ AddInitializerToGlobalBlockVarDecl(const VarDecl &D,
+ llvm::GlobalVariable *GV);
+
/// EmitStaticCXXBlockVarDeclInit - Create the initializer for a C++ runtime
/// initialized static block var decl.