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Commit 1e246b20 authored by Craig Topper's avatar Craig Topper
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[X86] Add isel pattern to match VZEXT_MOVL and a v2i64 scalar_to_vector... 

[X86] Add isel pattern to match VZEXT_MOVL and a v2i64 scalar_to_vector bitcasted from x86mmx to MOVQ2DQ.

We already had the pattern for just the scalar to vector and bitcast,
but not the case where we wanted zeroes in the high half of the xmm.

llvm-svn: 368972
parent e6409602
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