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Commit b60f9988 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86][SSE] Fold 128-bit PACK(EXTEND(X),EXTEND(Y)) -> CONCAT(X,Y) subvectors 

This is seen in the sub-128-bit vector trunc(ext()) of comparison results

Fixes pr46585.ll regression in D66004
parent 3c39db0c
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