Simon Pilgrim 43b72e4d01 [CostModel][X86] Update vector shift tests to correctly check by non-constant uniform values.
Use shuffle( scslar_to_vector, zeroinitializer) pattern instead of shuffle( vec, zeroinitializer)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292075 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-15 20:10:28 +00:00
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