Reorganize codegen files.

llvm-svn: 39504
diff --git a/clang/CodeGen/CodeGenFunction.h b/clang/CodeGen/CodeGenFunction.h
new file mode 100644
index 0000000..ebb3e79
--- /dev/null
+++ b/clang/CodeGen/CodeGenFunction.h
@@ -0,0 +1,38 @@
+//===--- CodeGenFunction.h - Per-Function state for LLVM CodeGen ----------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by Chris Lattner and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This is the internal per-function state used for llvm translation. 
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CODEGEN_CODEGENFUNCTION_H
+#define CODEGEN_CODEGENFUNCTION_H
+
+namespace llvm {
+  class Module;
+namespace clang {
+  class ASTContext;
+  class FunctionDecl;
+  
+namespace CodeGen {
+  class CodeGenModule;
+  
+/// CodeGenFunction - This class organizes the per-function state that is used
+/// while generating LLVM code.
+class CodeGenFunction {
+  CodeGenModule &CGM;  // Per-module state.
+public:
+  CodeGenFunction(CodeGenModule &cgm) : CGM(cgm) {}
+  
+};
+}  // end namespace CodeGen
+}  // end namespace clang
+}  // end namespace llvm
+
+#endif