size() == 0 -> empty().

Spotted by rjmcall.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149526 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/CGObjCGNU.cpp b/lib/CodeGen/CGObjCGNU.cpp
index 4911e0e29739995167214ee8dff06fcd31463aed..2a3c36ce4f9c5d5d665800f572947a2d33580a55 100644 (file)
--- a/lib/CodeGen/CGObjCGNU.cpp
+++ b/lib/CodeGen/CGObjCGNU.cpp
@@ -2363,7 +2363,7 @@ llvm::Function *CGObjCGNU::ModuleInitFunction() {
   llvm::Value *Register = CGM.CreateRuntimeFunction(FT, "__objc_exec_class");
   Builder.CreateCall(Register, Module);
 
-  if (0 != ClassAliases.size()) {
+  if (!ClassAliases.empty()) {
     llvm::Type *ArgTypes[2] = {PtrTy, PtrToInt8Ty};
     llvm::FunctionType *RegisterAliasTy =
       llvm::FunctionType::get(Builder.getVoidTy(),