Nikita Popov 2926d6d335 [ConstantFold][GlobalOpt] Don't create x86_mmx null value
This fixes the assertion failure reported at
https://reviews.llvm.org/D114889#3198921 with a straightforward
check, until the cleaner fix in D115924 can be reapplied.
2021-12-21 09:11:41 +01:00
..