Chandler Carruth 52f1b6dbed [x86] Stop shuffling zero vectors. =]
I was somewhat surprised this pattern really came up, but it does. It
seems better to just directly handle it than try to special case every
place where we end up forming a shuffle that devolves to a shuffle of
a zero vector.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229301 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-15 10:34:52 +00:00
2015-02-15 10:34:52 +00:00
2014-04-07 03:57:04 +00:00
2014-03-02 13:08:46 +00:00
2015-01-30 21:59:28 +00:00
2014-03-12 22:40:22 +00:00
2015-02-04 18:46:00 +00:00

Low Level Virtual Machine (LLVM)
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