Move CodeGenOptions from Frontend to Basic

Basic uses CodeGenOptions and should not depend on Frontend.

llvm-svn: 348827
diff --git a/clang/lib/Basic/Targets/AMDGPU.cpp b/clang/lib/Basic/Targets/AMDGPU.cpp
index 3851cda..4f17b17f 100644
--- a/clang/lib/Basic/Targets/AMDGPU.cpp
+++ b/clang/lib/Basic/Targets/AMDGPU.cpp
@@ -13,10 +13,10 @@
 
 #include "AMDGPU.h"
 #include "clang/Basic/Builtins.h"
+#include "clang/Basic/CodeGenOptions.h"
 #include "clang/Basic/LangOptions.h"
 #include "clang/Basic/MacroBuilder.h"
 #include "clang/Basic/TargetBuiltins.h"
-#include "clang/Frontend/CodeGenOptions.h"
 #include "llvm/ADT/StringSwitch.h"
 
 using namespace clang;