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Unverified Commit 117d755b authored by Simon Pilgrim's avatar Simon Pilgrim Committed by GitHub
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[DAG] SimplifyDemandedBits - use ComputeKnownBits instead of... 

[DAG] SimplifyDemandedBits - use ComputeKnownBits instead of getValidShiftAmountConstant to check for constant shift amounts. (#92412)

This allows us to handle cases where the constant has already been type legalized behind a bitcast

Despite calling ComputeKnownBits I'm not seeing any notable change in compile time.
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