Add hasNote() to check note associated with a function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56477 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/IPO/InlineSimple.cpp

@@ -65,7 +65,7 @@ bool SimpleInliner::doInitialization(CallGraph &CG) {
   
   for (Module::iterator I = M.begin(), E = M.end();
        I != E; ++I)
-    if (!I->isDeclaration() && (I->getNotes() & FN_NOTE_NoInline))
+    if (I->hasNote(FN_NOTE_NoInline))
       NeverInline.insert(I);
 
   // Get llvm.noinline