[X86] combineX86ShufflesRecursively - fix use after move warning. NFCI.
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Sun, 20 Sep 2020 13:06:50 +0000 (14:06 +0100)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Sun, 20 Sep 2020 13:06:50 +0000 (14:06 +0100)
commit91720ee561b2da4161df6abaddfd8a677aebb504
tree2bf2dd1e0b5ac34e148e10acb9efd16227967a51
parenta735d6eae2847b039d12c75d4c794862dad59bc1
[X86] combineX86ShufflesRecursively - fix use after move warning. NFCI.

After moving WidenedMask is in an undefined state, so reduce scope of the variable so its reinitialized every iteration - we should still retain any memory allocation savings.
llvm/lib/Target/X86/X86ISelLowering.cpp