Repace SmallPtrSet with SmallPtrSetImpl in function arguments to avoid needing to mention the size.

llvm-svn: 216158
diff --git a/llvm/lib/LTO/LTOCodeGenerator.cpp b/llvm/lib/LTO/LTOCodeGenerator.cpp
index a51b1c9..231e483 100644
--- a/llvm/lib/LTO/LTOCodeGenerator.cpp
+++ b/llvm/lib/LTO/LTOCodeGenerator.cpp
@@ -314,7 +314,7 @@
 applyRestriction(GlobalValue &GV,
                  const ArrayRef<StringRef> &Libcalls,
                  std::vector<const char*> &MustPreserveList,
-                 SmallPtrSet<GlobalValue*, 8> &AsmUsed,
+                 SmallPtrSetImpl<GlobalValue*> &AsmUsed,
                  Mangler &Mangler) {
   // There are no restrictions to apply to declarations.
   if (GV.isDeclaration())
@@ -343,7 +343,7 @@
 }
 
 static void findUsedValues(GlobalVariable *LLVMUsed,
-                           SmallPtrSet<GlobalValue*, 8> &UsedValues) {
+                           SmallPtrSetImpl<GlobalValue*> &UsedValues) {
   if (!LLVMUsed) return;
 
   ConstantArray *Inits = cast<ConstantArray>(LLVMUsed->getInitializer());