1; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
2
3; void f(int a[], unsigned N) {
4;   unsigned i;
5;   do {
6;     a[i] = i;
7;   } while (++i <= N);
8; }
9
10; CHECK:      Assumed Context:
11; CHECK-NEXT: [N] -> {  :  }
12; CHECK-NEXT: Invalid Context:
13; CHECK-NEXT: [N] -> {  : false }
14;
15; CHECK:              Domain :=
16; CHECK-NEXT:             [N] -> { Stmt_bb[i0] : 0 <= i0 < N; Stmt_bb[0] : N = 0 };
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* nocapture %a, i64 %N) nounwind {
21entry:
22  br label %bb
23
24bb:                                               ; preds = %bb, %entry
25  %i = phi i64 [ 0, %entry ], [ %i.inc, %bb ]
26  %scevgep = getelementptr inbounds i64, i64* %a, i64 %i
27  store i64 %i, i64* %scevgep
28  %i.inc = add nsw i64 %i, 1
29  %exitcond = icmp uge i64 %i.inc, %N
30  br i1 %exitcond, label %return, label %bb
31
32return:                                           ; preds = %bb, %entry
33  ret void
34}
35