[TargetLowering] Remove optional arguments passing to makeLibCall

The patch introduces MakeLibCallOptions struct as suggested by @efriedma on D65497.
The struct contain argument flags which will pass to makeLibCall function.
The patch should not has any functionality changes.

Differential Revision: https://reviews.llvm.org/D65795

llvm-svn: 369622
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
index 3cbc109..4ac9995 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
@@ -1056,8 +1056,9 @@
     return SDValue();
 
   unsigned Depth = cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue();
+  MakeLibCallOptions CallOptions;
   return makeLibCall(DAG, RTLIB::RETURN_ADDRESS, Op.getValueType(),
-                     {DAG.getConstant(Depth, DL, MVT::i32)}, false, DL)
+                     {DAG.getConstant(Depth, DL, MVT::i32)}, CallOptions, DL)
       .first;
 }