[X86][AVX] Add test showing unnecessary duplicate HADD instructions
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Wed, 5 Aug 2020 10:33:02 +0000 (11:33 +0100)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Wed, 5 Aug 2020 11:00:27 +0000 (12:00 +0100)
commit300899b9c4ed505f43840a9876e96dbb5ba4ce52
treecae7dae9969664b90c6e2be154cd4ba678b9c536
parent3ab01550b632dad46f9595d74855749557ffd25c
[X86][AVX] Add test showing unnecessary duplicate HADD instructions

Taken from internal fuzz test
llvm/test/CodeGen/X86/haddsub-undef.ll