1; REQUIRES: asserts
2; RUN: opt < %s -S -loop-unroll -unroll-runtime=true -unroll-allow-remainder=true -unroll-count=4
3
4; Make sure that the runtime unroll does not break with a non-exiting latch.
5define i32 @test(i32* %a, i32* %b, i32* %c, i64 %n) {
6entry:
7  br label %while.cond
8
9while.cond:                                       ; preds = %while.body, %entry
10  %i.0 = phi i64 [ 0, %entry ], [ %inc, %while.body ]
11  %cmp = icmp slt i64 %i.0, %n
12  br i1 %cmp, label %while.body, label %while.end
13
14while.body:                                       ; preds = %while.cond
15  %arrayidx = getelementptr inbounds i32, i32* %b, i64 %i.0
16  %0 = load i32, i32* %arrayidx
17  %arrayidx1 = getelementptr inbounds i32, i32* %c, i64 %i.0
18  %1 = load i32, i32* %arrayidx1
19  %mul = mul nsw i32 %0, %1
20  %arrayidx2 = getelementptr inbounds i32, i32* %a, i64 %i.0
21  store i32 %mul, i32* %arrayidx2
22  %inc = add nsw i64 %i.0, 1
23  br label %while.cond
24
25while.end:                                        ; preds = %while.cond
26  ret i32 0
27}
28