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[X86] Add tests for funnel undef argument combines
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Sat, 9 Feb 2019 22:21:09 +0000 (22:21 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Sat, 9 Feb 2019 22:21:09 +0000 (22:21 +0000)
commitfe93663ba1556f003b35ce30fe0062c7ce40ae15
treecd4f783417fc934ecba65595bc27682d04c100fc
parent95bd49524cc067af783d2d765b4085939d5ddef0
[X86] Add tests for funnel undef argument combines

If one of the shifted arguments is undef we should be folding to a regular shift.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@353628 91177308-0d34-0410-b5e6-96231b3b80d8
test/CodeGen/X86/funnel-shift.ll