shrink libllvmgcc.dylib another 25K


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28971 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCAsmPrinter.cpp b/lib/Target/PowerPC/PPCAsmPrinter.cpp
index 0de7843..2a0104d 100644
--- a/lib/Target/PowerPC/PPCAsmPrinter.cpp
+++ b/lib/Target/PowerPC/PPCAsmPrinter.cpp
@@ -33,6 +33,7 @@
 #include "llvm/Support/MathExtras.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
+#include "llvm/Support/Visibility.h"
 #include "llvm/Target/MRegisterInfo.h"
 #include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/Target/TargetOptions.h"
@@ -45,7 +46,7 @@
 namespace {
   Statistic<> EmittedInsts("asm-printer", "Number of machine instrs printed");
 
-  class PPCAsmPrinter : public AsmPrinter {
+  class VISIBILITY_HIDDEN PPCAsmPrinter : public AsmPrinter {
   public:
     std::set<std::string> FnStubs, GVStubs;