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Commit bb769a29 authored by Craig Topper's avatar Craig Topper
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[X86] Turn (and (shl X, C1), C2) into (shl (and X, (C1 >> C2), C2) if the AND could match a movzx. 

Could get further improvements by recognizing (i64 and (anyext (i32 shl))).

llvm-svn: 358737
parent 2099ccbe
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