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Commit 24744213 authored by Simon Pilgrim's avatar Simon Pilgrim
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[TargetLowering] SimplifyMultipleUseDemandedBits - drop already extended... 

[TargetLowering] SimplifyMultipleUseDemandedBits - drop already extended ISD::SIGN_EXTEND_INREG nodes.

If the source of the SIGN_EXTEND_INREG node is already sign extended, use the source directly.
parent 9bcd59fd
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