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Commit dbd4a7fe authored by Craig Topper's avatar Craig Topper
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[DAGCombiner] Don't combine aext(setcc) if the setcc is already using the... 

[DAGCombiner] Don't combine aext(setcc) if the setcc is already using the target's preferred result type.

With AVX512 vXi1 types are legal so we shouldn't be extending them.

This change is similar to existing code in the zext(setcc) combine.

llvm-svn: 319120
parent 57c02d18
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