Give internal classes hidden visibility.

Worth 100k on a linux/x86_64 Release+Asserts clang.

llvm-svn: 190534

1 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.h b/llvm/lib/Bitcode/Reader/BitcodeReader.h
index b095447675a..f82f03f73ee 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.h
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.h
@@ -32,7 +32,7 @@ namespace llvm {
 //                          BitcodeReaderValueList Class
 //===----------------------------------------------------------------------===//
 
-class BitcodeReaderValueList {
+class LLVM_LIBRARY_VISIBILITY BitcodeReaderValueList {
   std::vector<WeakVH> ValuePtrs;
 
   /// ResolveConstants - As we resolve forward-referenced constants, we add
@@ -91,7 +91,7 @@ public:
 //                          BitcodeReaderMDValueList Class
 //===----------------------------------------------------------------------===//
 
-class BitcodeReaderMDValueList {
+class LLVM_LIBRARY_VISIBILITY BitcodeReaderMDValueList {
   std::vector<WeakVH> MDValuePtrs;
 
   LLVMContext &Context;
@@ -121,7 +121,7 @@ public:
   void AssignValue(Value *V, unsigned Idx);
 };
 
-class BitcodeReader : public GVMaterializer {
+class LLVM_LIBRARY_VISIBILITY BitcodeReader : public GVMaterializer {
   LLVMContext &Context;
   Module *TheModule;
   MemoryBuffer *Buffer;