1; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s
2; RUN: opt %loadPolly -polly-codegen -analyze < %s
3
4; void f(long A[], long N) {
5;   long i, j;
6;   if (true)
7;     for (j = 0; j < N; ++j)
8;       for (i = 0; i < N; ++i)
9;         A[i] = i;
10; }
11
12target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
13
14define void @f(i64* %A, i64 %N) nounwind {
15entry:
16  fence seq_cst
17  br label %next
18
19next:
20  br i1 true, label %for.j, label %return
21
22for.j:
23  %j.015 = phi i64 [ %inc5, %for.inc8 ], [ 0, %next ]
24  br label %for.i
25
26for.i:
27  %indvar = phi i64 [ 0, %for.j], [ %indvar.next, %for.i ]
28  %scevgep = getelementptr i64, i64* %A, i64 %indvar
29  store i64 %indvar, i64* %scevgep
30  %indvar.next = add nsw i64 %indvar, 1
31  %exitcond = icmp eq i64 %indvar.next, %N
32  br i1 %exitcond, label %for.inc8, label %for.i
33
34for.inc8:                                         ; preds = %for.body3
35  %inc5 = add nsw i64 %j.015, 1
36  %exitcond16 = icmp eq i64 %inc5, %N
37  br i1 %exitcond16, label %return, label %for.j
38
39return:
40  fence seq_cst
41  ret void
42}
43
44; CHECK: Valid Region for Scop: next => return
45