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Commit 70893b62 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86] matchUnaryShuffle - match SIGN_EXTEND_VECTOR_INREG patterns for 'all-signbits' sources 

Adapt the existing ANY/ZERO_EXTEND_VECTOR_INREG shuffle matching to also recognise SIGN_EXTEND_VECTOR_INREG patterns to handle cases where we're effectively "splatting" all-signbits sources.
parent cee7e7b2
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