Force anything that #includes llvm/Transforms/Utils/UnifyFunctionExitNodes.h
to link in the implementation. Thanks to Anton Korobeynikov for figuring out
what was going on here.
llvm-svn: 28660
diff --git a/llvm/include/llvm/Transforms/Utils/UnifyFunctionExitNodes.h b/llvm/include/llvm/Transforms/Utils/UnifyFunctionExitNodes.h
index 81c71fb..526851b 100644
--- a/llvm/include/llvm/Transforms/Utils/UnifyFunctionExitNodes.h
+++ b/llvm/include/llvm/Transforms/Utils/UnifyFunctionExitNodes.h
@@ -38,10 +38,16 @@
BasicBlock *getUnreachableBlock() const { return UnreachableBlock; }
virtual bool runOnFunction(Function &F);
+
+ // Force linking the impl of this class into anything that uses this header.
+ static int stub;
};
Pass *createUnifyFunctionExitNodesPass();
+static IncludeFile
+UNIFY_FUNCTION_EXIT_NODES_INCLUDE_FILE(&UnifyFunctionExitNodes::stub);
+
} // End llvm namespace
#endif
diff --git a/llvm/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp b/llvm/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp
index d3c7b32..fa4e386 100644
--- a/llvm/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp
+++ b/llvm/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp
@@ -25,6 +25,8 @@
static RegisterOpt<UnifyFunctionExitNodes>
X("mergereturn", "Unify function exit nodes");
+int UnifyFunctionExitNodes::stub;
+
Pass *llvm::createUnifyFunctionExitNodesPass() {
return new UnifyFunctionExitNodes();
}