[X86] combineX86ShuffleChain - use narrowShuffleMaskElts scale == 1 builtin handling...
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Tue, 12 May 2020 12:43:38 +0000 (13:43 +0100)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Tue, 12 May 2020 12:45:40 +0000 (13:45 +0100)
commit0387df7f02f9a0a0239b5a90f840e98b823bc6c1
tree9d907fdd542c14d1a1662b0c9178c1fe9b9abf99
parente03394c6a6ff5832aa43259d4b8345f40ca6a22c
[X86] combineX86ShuffleChain - use narrowShuffleMaskElts scale == 1 builtin handling. NFC.

narrowShuffleMaskElts already has the fast-path for scale == 1, no need to reimplement it here.
llvm/lib/Target/X86/X86ISelLowering.cpp