; RUN: opt %s -functionattrs -S | grep readnone | count 2 declare i32 @g(i32*) readnone define i32 @f() { %x = alloca i32 ; [#uses=2] store i32 0, i32* %x %y = call i32 @g(i32* %x) ; [#uses=1] ret i32 %y }