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0810814bcc
We used to erroneously match:
(v4i64 shuffle (v2i64 load), <0,0,0,0>)
Whereas vbroadcasti128 is more like:
(v4i64 shuffle (v2i64 load), <0,1,0,1>)
This problem doesn't exist for vbroadcastf128, which kept matching
the intrinsic after r231182. We should perhaps re-introduce the
intrinsic here as well, but that's a separate issue still being
discussed.
While there, add some proper vbroadcastf128 tests. We don't currently
match those, like for loading vbroadcastsd/ss on AVX (the reg-reg
broadcasts where added in AVX2).
Fixes PR23886.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240488 91177308-0d34-0410-b5e6-96231b3b80d8