[X86][AVX] Add PR49971 test case
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Thu, 22 Apr 2021 09:57:19 +0000 (10:57 +0100)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Thu, 22 Apr 2021 10:32:29 +0000 (11:32 +0100)
commite28ae5e530679eee5a7a574de6cb78a12cbe75ed
tree5ba28053a6bda866a56c5c77c2a102e2bfafeed5
parent3bcd0ece43bd117b9931d2b010b50884aa74870a
[X86][AVX] Add PR49971 test case

This is a llvm12 only bug, and is already avoided in trunk, but we should keep track of it.
llvm/test/CodeGen/X86/horizontal-shuffle-3.ll