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Commit 9f690523 authored by Huihui Zhang's avatar Huihui Zhang
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[InstCombine][NFCI] Fix test comments. 

For fold
(X & (signbit l>> Y)) ==/!= 0 -> (X << Y) >=/< 0
(X & (signbit << Y)) ==/!= 0 -> (X l>> Y) >=/< 0

Test cases of X being constant are positive tests not negative.

Prep work for D62818.

llvm-svn: 364497
parent 490bc465
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