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Commit c0eff50f authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86][SSE] combineMulToPMADDWD - enable sext_extend_vector_inreg(vXi16) ->... 

[X86][SSE] combineMulToPMADDWD - enable sext_extend_vector_inreg(vXi16) -> zext_extend_vector_inreg(vXi16) fold

The plan is to allow combineMulToPMADDWD to match illegal vector types (as long as they're still pow2), which should allow us to start removing the 128-bit limit on more of the PMADDWD combines.
parent ed3e4917
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