Add a lto_codegen_compile_to_file to avoid producing a file, reading it to
memory and writing it back to disk.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128108 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm-c/lto.h b/include/llvm-c/lto.h
index be08c4e..e4ede9c 100644
--- a/include/llvm-c/lto.h
+++ b/include/llvm-c/lto.h
@@ -272,6 +272,13 @@
 extern const void*
 lto_codegen_compile(lto_code_gen_t cg, size_t* length);
 
+/**
+ * Generates code for all added modules into one native object file.
+ * The name of the file is written to name. Returns true on error.
+ */
+extern bool
+lto_codegen_compile_to_file(lto_code_gen_t cg, const char** name);
+
 
 /**
  * Sets options to help debug codegen bugs.