Simon Pilgrim be2cd40ad4 [X86][SSE] Propagate undef upper elements from scalar_to_vector during shuffle combining
Only do this for integer types currently - floats types (in particular insertps) load folding often fails with this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@295208 91177308-0d34-0410-b5e6-96231b3b80d8
2017-02-15 17:41:33 +00:00
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2017-02-14 17:21:12 +00:00
2017-01-28 02:02:38 +00:00
2017-01-28 02:02:38 +00:00