blob: 011824116b3a0fffe8c12b910a84d36c98706152 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
|
; 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
}
|
