; RUN: opt < %s -passes=instcombine -S | not grep and define i8 @test21(i8 %A) { ;; sign extend %C = ashr i8 %A, 7 ; <i8> [#uses=1] ;; chop off sign %D = and i8 %C, 1 ; <i8> [#uses=1] ret i8 %D }