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Commit c296436a authored by Craig Topper's avatar Craig Topper
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[X86] Add isel pattern for (v8i16 (sext (v8i1))) with DQI and no BWI. 

Our lowering that tries to avoid this sign extend can be defeated by the DAG combine folding it with a truncate.

The pattern needs to extend to an v8i32 then truncate back down to v8i16.

llvm-svn: 342830
parent 3e0b4b0e
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