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Commit 74b98ab1 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86] Fold ZERO_EXTEND_VECTOR_INREG(BUILD_VECTOR(X,Y,?,?)) -> BUILD_VECTOR(X,0,Y,0) 

Helps avoid some unnecessary shift by splat amount extensions before shuffle combining gets limited by with one use checks
parent bad1b7fb
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