[X86][SSE] detectAVGPattern - begin generalizing ADD matches
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Sat, 30 Mar 2019 15:31:53 +0000 (15:31 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Sat, 30 Mar 2019 15:31:53 +0000 (15:31 +0000)
commit32934555957d47916c9ac48e189802d0bc55f7fa
treec9d7dce65c86624fbe0c88eee8d95b57af974045
parent7dd1c36cd72cd93f82563c17ef71eb2b881101d3
[X86][SSE] detectAVGPattern - begin generalizing ADD matches

Move the ADD matching into a helper - first NFC stage towards supporting 'ADD like' cases such as in PR41316

llvm-svn: 357349
llvm/lib/Target/X86/X86ISelLowering.cpp