Change linkInModule to take a std::unique_ptr.

Passing in a std::unique_ptr should help find errors when the module
is used after being linked into another module.

llvm-svn: 255842

1 files changed, 16 insertions, 6 deletions

diff --git a/llvm/include/llvm-c/Linker.h b/llvm/include/llvm-c/Linker.h
index 9f98a3342d0..94b65886d35 100644
--- a/llvm/include/llvm-c/Linker.h
+++ b/llvm/include/llvm-c/Linker.h
@@ -27,17 +27,27 @@ typedef enum {
                                           should not be used. */
 } LLVMLinkerMode;
 
-/* Links the source module into the destination module, taking ownership
- * of the source module away from the caller. Optionally returns a
- * human-readable description of any errors that occurred in linking.
- * OutMessage must be disposed with LLVMDisposeMessage. The return value
- * is true if an error occurred, false otherwise.
+/* Links the source module into the destination module. The source module is
+ * damaged. The only thing that can be done is destroy it. Optionally returns a
+ * human-readable description of any errors that occurred in linking. OutMessage
+ * must be disposed with LLVMDisposeMessage. The return value is true if an
+ * error occurred, false otherwise.
  *
  * Note that the linker mode parameter \p Unused is no longer used, and has
- * no effect. */
+ * no effect.
+ *
+ * This function is deprecated. Use LLVMLinkModules2 instead.
+ */
 LLVMBool LLVMLinkModules(LLVMModuleRef Dest, LLVMModuleRef Src,
                          LLVMLinkerMode Unused, char **OutMessage);
 
+/* Links the source module into the destination module. The source module is
+ * destroyed.
+ * The return value is true if an error occurred, false otherwise.
+ * Use the diagnostic handler to get any diagnostic message.
+*/
+LLVMBool LLVMLinkModules2(LLVMModuleRef Dest, LLVMModuleRef Src);
+
 #ifdef __cplusplus
 }
 #endif