minor refactoring. No change otherwise.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78582 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 17 insertions, 4 deletions

diff --git a/lib/CodeGen/CGCXX.cpp b/lib/CodeGen/CGCXX.cpp
index 8f6cfc05dd..417dcf748c 100644
--- a/lib/CodeGen/CGCXX.cpp
+++ b/lib/CodeGen/CGCXX.cpp
@@ -791,7 +791,18 @@ void CodeGenFunction::EmitClassMemberwiseCopy(
              Callee, CallArgs, BaseCopyCtor);
   }
 }
-  
+
+/// SynthesizeDefaultConstructor - synthesize a default constructor
+void 
+CodeGenFunction::SynthesizeDefaultConstructor(const CXXConstructorDecl *CD,
+                                              const FunctionDecl *FD,
+                                              llvm::Function *Fn,
+                                              const FunctionArgList &Args) {
+  StartFunction(FD, FD->getResultType(), Fn, Args, SourceLocation());
+  EmitCtorPrologue(CD);
+  FinishFunction();
+}
+
 /// SynthesizeCXXCopyConstructor - This routine implicitly defines body of a copy
 /// constructor, in accordance with section 12.8 (p7 and p8) of C++03
 /// The implicitly-defined copy constructor for class X performs a memberwise 
diff --git a/lib/CodeGen/CodeGenFunction.cpp b/lib/CodeGen/CodeGenFunction.cpp
index 6135f65513..309c76bea5 100644
--- a/lib/CodeGen/CodeGenFunction.cpp
+++ b/lib/CodeGen/CodeGenFunction.cpp
@@ -251,9 +251,7 @@ void CodeGenFunction::GenerateCode(const FunctionDecl *FD,
       else {
         assert(!ClassDecl->hasUserDeclaredConstructor() &&
                "bogus constructor is being synthesize");
-        StartFunction(FD, FD->getResultType(), Fn, Args, SourceLocation());
-        EmitCtorPrologue(CD);
-        FinishFunction();
+        SynthesizeDefaultConstructor(CD, FD, Fn, Args);
       }
     }
     
diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index 5b6826f57f..d3571e593b 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -373,6 +373,10 @@ public:
                                     const FunctionDecl *FD,
                                     llvm::Function *Fn,
                                     const FunctionArgList &Args);
+  void SynthesizeDefaultConstructor(const CXXConstructorDecl *CD,
+                                    const FunctionDecl *FD,
+                                    llvm::Function *Fn,
+                                    const FunctionArgList &Args);
   
   /// EmitDtorEpilogue - Emit all code that comes at the end of class's
   /// destructor. This is to call destructors on members and base classes