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Commit 09cdddea authored by Marc Auberer's avatar Marc Auberer Committed by Sanjay Patel
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[InstCombine] Fold x + (x | -x) to x & (x - 1) 

Fixes #57531

This transformation may be particularly useful on x86-64,
because x & (x - 1) can be performed by a single blsr instruction.

Differential Revision: https://reviews.llvm.org/D133362
parent a91effa0
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