1; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s
2
3; void f(long A[], long N) {
4;   long i;
5;
6;  if (true)
7;    goto loop;
8;  else
9;    goto loop;
10;
11; loop:
12;   for (i = 0; i < N; ++i)
13;     A[i] = i;
14; }
15
16; We will detect this scop even if the loop is not in lcssa form
17
18target 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"
19
20define void @f(i64* %A, i64 %N) nounwind {
21entry:
22  fence seq_cst
23  br i1 true, label %then, label %else
24
25then:
26  br label %for.i
27
28else:
29  br label %for.i
30
31for.i:
32  %indvar = phi i64 [ 0, %then ], [ 0, %else], [ %indvar.next, %for.i ]
33  %scevgep = getelementptr i64, i64* %A, i64 %indvar
34  store i64 %indvar, i64* %scevgep
35  %indvar.next = add nsw i64 %indvar, 1
36  %exitcond = icmp eq i64 %indvar.next, %N
37  br i1 %exitcond, label %return, label %for.i
38
39return:
40  fence seq_cst
41  ret void
42}
43
44; CHECK: Valid Region for Scop
45