Make compiler_llvm target independent. To build x86 image.
Change-Id: Ic013e71a3ed13d5e64d3db6551626299ff480eea
diff --git a/src/compiler_llvm/backend_options.h b/src/compiler_llvm/backend_options.h
new file mode 100644
index 0000000..f8295d1
--- /dev/null
+++ b/src/compiler_llvm/backend_options.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_SRC_COMPILER_LLVM_BACKEND_OPTIONS_H_
+#define ART_SRC_COMPILER_LLVM_BACKEND_OPTIONS_H_
+
+#include <llvm/Support/CommandLine.h>
+
+#define DECLARE_ARM_BACKEND_OPTIONS \
+extern llvm::cl::opt<bool> EnableARMLongCalls; \
+extern llvm::cl::opt<bool> ReserveR9;
+
+#define INITIAL_ARM_BACKEND_OPTIONS \
+EnableARMLongCalls = false; \
+ReserveR9 = true;
+
+#define DECLARE_X86_BACKEND_OPTIONS
+#define INITIAL_X86_BACKEND_OPTIONS
+
+#define DECLARE_Mips_BACKEND_OPTIONS
+#define INITIAL_Mips_BACKEND_OPTIONS
+
+#define LLVM_TARGET(TargetName) DECLARE_##TargetName##_BACKEND_OPTIONS
+#include "llvm/Config/Targets.def"
+
+namespace art {
+namespace compiler_llvm {
+
+inline void InitialBackendOptions() {
+#define LLVM_TARGET(TargetName) INITIAL_##TargetName##_BACKEND_OPTIONS
+#include "llvm/Config/Targets.def"
+}
+
+} // namespace compiler_llvm
+} // namespace art
+
+#endif // ART_SRC_COMPILER_LLVM_BACKEND_OPTIONS_H_