Use ArrayRef instead of SmallVector when passing vector into function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162851 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Instrumentation/GCOVProfiling.cpp b/lib/Transforms/Instrumentation/GCOVProfiling.cpp
index 264a6a6..293bad3 100644
--- a/lib/Transforms/Instrumentation/GCOVProfiling.cpp
+++ b/lib/Transforms/Instrumentation/GCOVProfiling.cpp
@@ -88,8 +88,7 @@
 
     // Add the function to write out all our counters to the global destructor
     // list.
-    void insertCounterWriteout(SmallVector<std::pair<GlobalVariable *,
-                                                     MDNode *>, 8> &);
+    void insertCounterWriteout(ArrayRef<std::pair<GlobalVariable*, MDNode*> >);
     void insertIndirectCounterIncrement();
 
     std::string mangleName(DICompileUnit CU, std::string NewStem);
@@ -630,7 +629,7 @@
 }
 
 void GCOVProfiler::insertCounterWriteout(
-    SmallVector<std::pair<GlobalVariable *, MDNode *>, 8> &CountersBySP) {
+    ArrayRef<std::pair<GlobalVariable *, MDNode *> > CountersBySP) {
   FunctionType *WriteoutFTy =
       FunctionType::get(Type::getVoidTy(*Ctx), false);
   Function *WriteoutF = Function::Create(WriteoutFTy,
@@ -652,7 +651,7 @@
       std::string FilenameGcda = mangleName(compile_unit, "gcda");
       Builder.CreateCall(StartFile,
                          Builder.CreateGlobalStringPtr(FilenameGcda));
-      for (SmallVector<std::pair<GlobalVariable *, MDNode *>, 8>::iterator
+      for (ArrayRef<std::pair<GlobalVariable *, MDNode *> >::iterator
              I = CountersBySP.begin(), E = CountersBySP.end();
            I != E; ++I) {
         DISubprogram SP(I->second);