Cleanup: replace uses of CallSite with CallBase.

llvm-svn: 352595
diff --git a/clang/lib/CodeGen/CGExprComplex.cpp b/clang/lib/CodeGen/CGExprComplex.cpp
index 56a86d7..0e4b1e8 100644
--- a/clang/lib/CodeGen/CGExprComplex.cpp
+++ b/clang/lib/CodeGen/CGExprComplex.cpp
@@ -630,9 +630,9 @@
   llvm::Constant *Func = CGF.CGM.CreateBuiltinFunction(FTy, LibCallName);
   CGCallee Callee = CGCallee::forDirect(Func, FQTy->getAs<FunctionProtoType>());
 
-  llvm::Instruction *Call;
+  llvm::CallBase *Call;
   RValue Res = CGF.EmitCall(FuncInfo, Callee, ReturnValueSlot(), Args, &Call);
-  cast<llvm::CallInst>(Call)->setCallingConv(CGF.CGM.getRuntimeCC());
+  Call->setCallingConv(CGF.CGM.getRuntimeCC());
   return Res.getComplexVal();
 }