; RUN: opt < %s -analyze -iv-users | grep "{1,+,3,+,2}<%loop> (post-inc with loop %loop)" | |
; The value of %r is dependent on a polynomial iteration expression. | |
define i64 @foo(i64 %n) { | |
entry: | |
br label %loop | |
loop: | |
%indvar = phi i64 [ 0, %entry ], [ %indvar.next, %loop ] | |
%indvar.next = add i64 %indvar, 1 | |
%c = icmp eq i64 %indvar.next, %n | |
br i1 %c, label %exit, label %loop | |
exit: | |
%r = mul i64 %indvar.next, %indvar.next | |
ret i64 %r | |
} |