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Commit 3ab32c94 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86] Replace explicit constant handling in sub(C1, xor(X, C2)) -> add(xor(X,... 

[X86] Replace explicit constant handling in sub(C1, xor(X, C2)) -> add(xor(X, ~C2), C1+1) fold. NFCI.

NFC cleanup before adding vector support - rely on the SelectionDAG to handle everything for us.
parent e7e35e17
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