1; RUN: opt < %s -reassociate -instcombine -constprop -dce -S | not grep add 2 3define i32 @test(i32 %A) { 4 %X = add i32 %A, 1 ; <i32> [#uses=1] 5 %Y = add i32 %A, 1 ; <i32> [#uses=1] 6 %r = sub i32 %X, %Y ; <i32> [#uses=1] 7 ret i32 %r 8} 9 10