1 ; RUN: opt < %s -reassociate -S
5 ; Check to make sure this test does not assert or segfault. If we get too
6 ; aggressive with retrying instructions it's possible to invalidate our
7 ; iterator. See PR28367 for complete details.
9 define void @fn1(i32 %a, i1 %c, i32* %ptr) {
14 %d.0 = phi i32 [ 1, %entry ], [ 2, %for.body ]
15 br i1 %c, label %for.end, label %for.body
18 %sub1 = sub i32 %a, %d.0
19 %dead1 = add i32 %sub1, 1
20 %dead2 = mul i32 %dead1, 3
21 %dead3 = mul i32 %dead2, %sub1
22 %sub2 = sub nsw i32 0, %d.0
23 store i32 %sub2, i32* %ptr, align 4