Move only unused declaration, the rest will be moved by Linker.

2015-12-25 14:05:21 +03:00
parent 5ac46e5134
commit b67d7f0b6a
1 changed files with 3 additions and 0 deletions
--- a/builtins.cpp
+++ b/builtins.cpp
@@ -906,6 +906,9 @@ AddBitcodeToModule(const unsigned char *bitcode, int length,
        // This trick should be legal, as both modules use the same LLVMContext.
        for (llvm::Function& f : *bcModule) {
          if (f.isDeclaration()) {
+            // Declarations with uses will be moved by Linker.
+            if (f.getNumUses() > 0)
+              continue;
            module->getOrInsertFunction(f.getName(), f.getFunctionType(),
                f.getAttributes());
          }