[CodeGen] Fix warning in visitShuffleVector
authorDavid Sherwood <david.sherwood@arm.com>
Wed, 27 May 2020 14:00:00 +0000 (15:00 +0100)
committerDavid Sherwood <david.sherwood@arm.com>
Fri, 29 May 2020 16:09:59 +0000 (17:09 +0100)
commitd8a78889f633c5a60f0a1c7cb60bf9b18817d9d7
tree41a57dc891ff724bf5e314e83af0cd12d8c52bb8
parent634258b80606c4bb8192077239a089ae5842781a
[CodeGen] Fix warning in visitShuffleVector

Make sure we only ask for the number of elements after we've
bailed out for scalable vectors.

Differential revision: https://reviews.llvm.org/D80632
llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp