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/PPCISelDAGToDAG.cpp b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index 659c2d7..6c057fd 100644
--- a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -28,6 +28,7 @@
 #include "llvm/Intrinsics.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/MathExtras.h"
+#include "llvm/Support/Visibility.h"
 #include <iostream>
 #include <set>
 using namespace llvm;
@@ -39,7 +40,7 @@
   /// PPCDAGToDAGISel - PPC specific code to select PPC machine
   /// instructions for SelectionDAG operations.
   ///
-  class PPCDAGToDAGISel : public SelectionDAGISel {
+  class VISIBILITY_HIDDEN PPCDAGToDAGISel : public SelectionDAGISel {
     PPCTargetMachine &TM;
     PPCTargetLowering PPCLowering;
     unsigned GlobalBaseReg;