[WebAssembly] Use SelectionDAG::getUNDEF. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254726 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp b/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
index 2485df1ab5d20db2ab86effbf60f083fd94f4de5..9f0860550533e822c957234d02c6d3ea454a0fb6 100644 (file)
--- a/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
+++ b/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
@@ -400,7 +400,7 @@ SDValue WebAssemblyTargetLowering::LowerFormalArguments(
         In.Used
             ? DAG.getNode(WebAssemblyISD::ARGUMENT, DL, In.VT,
                           DAG.getTargetConstant(InVals.size(), DL, MVT::i32))
-            : DAG.getNode(ISD::UNDEF, DL, In.VT));
+            : DAG.getUNDEF(In.VT));
 
     // Record the number and types of arguments.
     MF.getInfo<WebAssemblyFunctionInfo>()->addParam(In.VT);