[X86] Add isUpperSubvectorUndef helper to simplify recognition of vectors widened...
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Fri, 21 Jul 2023 16:48:11 +0000 (17:48 +0100)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Fri, 21 Jul 2023 17:02:46 +0000 (18:02 +0100)
commitb95435a62ba22db1af8a9849b14f5983c1c20d59
treed23638f2ea4616f4fceb72a558dc56cfe5fa38a1
parent7be84ba914c2474e2e1439a6796364a76313ef05
[X86] Add isUpperSubvectorUndef helper to simplify recognition of vectors widened with undef upper subvectors. NFC.
llvm/lib/Target/X86/X86ISelLowering.cpp