1; RUN: opt < %s -basicaa -functionattrs -S | grep readnone 2 3@s = external constant i8 ; <i8*> [#uses=1] 4 5define i8 @f() { 6 %tmp = load i8, i8* @s ; <i8> [#uses=1] 7 ret i8 %tmp 8} 9