1 2 3 4 5 6 7 8 9
; RUN: opt < %s -instcombine -S | grep lshr ; Verify this is not turned into -1. define i32 @test(i8 %amt) { %shift.upgrd.1 = zext i8 %amt to i32 ; <i32> [#uses=1] %B = lshr i32 -1, %shift.upgrd.1 ; <i32> [#uses=1] ret i32 %B }