Apply the VISIBILITY_HIDDEN field to the remaining anonymous classes in

the Transforms library. This reduces debug library size by 132 KB, debug
binary size by 376 KB, and reduces link time for llvm tools slightly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33939 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/IPO/ConstantMerge.cpp

@@ -22,12 +22,13 @@
 #include "llvm/Module.h"
 #include "llvm/Pass.h"
 #include "llvm/ADT/Statistic.h"
+#include "llvm/Support/Compiler.h"
 using namespace llvm;
 
 STATISTIC(NumMerged, "Number of global constants merged");
 
 namespace {
-  struct ConstantMerge : public ModulePass {
+  struct VISIBILITY_HIDDEN ConstantMerge : public ModulePass {
     // run - For this pass, process all of the globals in the module,
     // eliminating duplicate constants.
     //