Give internal classes hidden visibility.
Worth 100k on a linux/x86_64 Release+Asserts clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190534 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
index 6463eca..ec640bc 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
@@ -79,7 +79,7 @@
/// SelectionDAGBuilder - This is the common target-independent lowering
/// implementation that is parameterized by a TargetLowering object.
///
-class SelectionDAGBuilder {
+class LLVM_LIBRARY_VISIBILITY SelectionDAGBuilder {
/// CurInst - The current instruction being visited
const Instruction *CurInst;