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Commit 7e442081 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86][SSE] combineSubToSubus - add v16i32 handling on pre-AVX512BW targets. 

v16i32 -> v16i16/v8i16 truncation is now good enough using PACKSS/PACKUS + shuffle combining that its no longer necessary to early-out on pre-AVX512BW targets.

This was noticed while looking at completing PR40111 and moving combineSubToSubus to DAGCombine entirely.
parent c4944a6f
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