Adding new LTO APIs to parse metadata nodes and extract linker options and
dependent libraries from a bitcode module.

Differential Revision: http://llvm-reviews.chandlerc.com/D2343

llvm-svn: 199759
diff --git a/llvm/include/llvm-c/lto.h b/llvm/include/llvm-c/lto.h
index 7078a74..fbad2b5 100644
--- a/llvm/include/llvm-c/lto.h
+++ b/llvm/include/llvm-c/lto.h
@@ -40,7 +40,7 @@
  * @{
  */
 
-#define LTO_API_VERSION 7
+#define LTO_API_VERSION 8
 
 /**
  * \since prior to LTO_API_VERSION=3
@@ -246,6 +246,43 @@
 extern lto_symbol_attributes
 lto_module_get_symbol_attribute(lto_module_t mod, unsigned int index);
 
+
+/**
+ * Returns the number of dependent libraries in the object module.
+ *
+ * \since LTO_API_VERSION=8
+ */
+extern unsigned int
+lto_module_get_num_deplibs(lto_module_t mod);
+
+
+/**
+ * Returns the ith dependent library in the module.
+ *
+ * \since LTO_API_VERSION=8
+ */
+extern const char*
+lto_module_get_deplib(lto_module_t mod, unsigned int index);
+
+
+/**
+ * Returns the number of linker options in the object module.
+ *
+ * \since LTO_API_VERSION=8
+ */
+extern unsigned int
+lto_module_get_num_linkeropts(lto_module_t mod);
+
+
+/**
+ * Returns the ith linker option in the module.
+ *
+ * \since LTO_API_VERSION=8
+ */
+extern const char*
+lto_module_get_linkeropt(lto_module_t mod, unsigned int index);
+
+
 /**
  * Diagnostic severity.
  *