The TargetData is not used for the isPowerOfTwo determination. It has never

[oota-llvm.git] / include / llvm / Linker.h

diff --git a/include/llvm/Linker.h b/include/llvm/Linker.h
index b402a6090e2cf387743036c01f7c41689ecda8f7..1ebcd6b53863541d6207cc8877219e7152419c2a 100644 (file)
--- a/include/llvm/Linker.h
+++ b/include/llvm/Linker.h
@@ -15,14 +15,15 @@
 #define LLVM_LINKER_H
 
 #include <memory>
+#include <string>
 #include <vector>
-#include "llvm/ADT/StringRef.h"
 
 namespace llvm {
   namespace sys { class Path; }
 
 class Module;
 class LLVMContext;
+class StringRef;
 
 /// This class provides the core functionality of linking in LLVM. It retains a
 /// Module object which is the composite of the modules and libraries linked
@@ -57,7 +58,12 @@ class Linker {
       QuietWarnings = 2, ///< Don't print warnings to stderr.
       QuietErrors   = 4  ///< Don't print errors to stderr.
     };
-
+  
+    enum LinkerMode {
+      DestroySource = 0, // Allow source module to be destroyed.
+      PreserveSource = 1 // Preserve the source module.
+    };
+  
   /// @}
   /// @name Constructors
   /// @{
@@ -245,7 +251,7 @@ class Linker {
       Module* Src,              ///< Module linked into \p Dest
       std::string* ErrorMsg = 0 /// Error/diagnostic string
     ) { 
-      return LinkModules(Composite, Src, ErrorMsg ); 
+      return LinkModules(Composite, Src, Linker::DestroySource, ErrorMsg ); 
     }
 
     /// This is the heart of the linker. This method will take unconditional
@@ -259,7 +265,8 @@ class Linker {
     /// error.
     /// @returns True if an error occurs, false otherwise.
     /// @brief Generically link two modules together.
-    static bool LinkModules(Module* Dest, Module* Src, std::string* ErrorMsg);
+    static bool LinkModules(Module* Dest, Module* Src, unsigned Mode,
+                            std::string* ErrorMsg);
 
     /// This function looks through the Linker's LibPaths to find a library with
     /// the name \p Filename. If the library cannot be found, the returned path