1; RUN: opt < %s -functionattrs -S | grep readnone 2 3define i32 @a() { 4 %tmp = call i32 @b( ) ; <i32> [#uses=1] 5 ret i32 %tmp 6} 7 8define i32 @b() { 9 %tmp = call i32 @a( ) ; <i32> [#uses=1] 10 ret i32 %tmp 11} 12