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Revert r298711 "[InstCombine] Provide a way to calculate KnownZero/One for…

Description

Revert r298711 "[InstCombine] Provide a way to calculate KnownZero/One for Add/Sub in SimplifyDemandedUseBits without recursing into ComputeKnownBits"

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Details

Committed
ctopperMar 24 2017, 3:12 PM
Parents
rL298744: [x86] add 32-bit RUN for better memcmp coverage; NFC
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