Enable protected visibility on ARM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36583 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index d873378..6cda7eb 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -210,9 +210,14 @@
     break;
   }
 
+  const char *VisibilityDirective = NULL;
   if (F->hasHiddenVisibility())
-    if (const char *Directive = TAI->getHiddenDirective())
-      O << Directive << CurrentFnName << "\n";
+    VisibilityDirective = TAI->getHiddenDirective();
+  else if (F->hasProtectedVisibility())
+    VisibilityDirective = TAI->getProtectedDirective();
+
+  if (VisibilityDirective)
+    O << VisibilityDirective << CurrentFnName << "\n";
 
   if (AFI->isThumbFunction()) {
     EmitAlignment(AFI->getAlign(), F);
@@ -791,9 +796,15 @@
     unsigned Size = TD->getTypeSize(Type);
     unsigned Align = TD->getPreferredAlignmentLog(I);
 
+    const char *VisibilityDirective = NULL;
     if (I->hasHiddenVisibility())
-      if (const char *Directive = TAI->getHiddenDirective())
-        O << Directive << name << "\n";
+      VisibilityDirective = TAI->getHiddenDirective();
+    else if (I->hasProtectedVisibility())
+      VisibilityDirective = TAI->getProtectedDirective();
+
+    if (VisibilityDirective)
+      O << VisibilityDirective << name << "\n";
+
     if (Subtarget->isTargetELF())
       O << "\t.type " << name << ",%object\n";