1; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
2;
3;    void f(int *A, int *B) {
4;      while (A != B) {
5;        *A = *A + 1;
6;        A++;
7;      }
8;    }
9;
10; CHECK:      Invalid Context:
11; CHECK-NEXT:  [A, B] -> { : (4*floor((A - B)/4) < A - B) or ((-A + B) mod 4 = 0 and B >= 9223372036854775808 + A) or ((-A + B) mod 4 = 0 and B <= -4 + A) }
12;
13; CHECK:      Domain :=
14; CHECK-NEXT:   [A, B] -> { Stmt_while_body[i0] : (-A + B) mod 4 = 0 and i0 >= 0 and 4i0 <= -4 - A + B }
15;
16target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
17
18define void @f(i32* %A, i32* %B) {
19entry:
20  br label %entry.split
21
22entry.split:
23  br i1 true, label %while.cond, label %while.end
24
25while.cond:                                       ; preds = %while.body, %entry
26  %A.addr.0 = phi i32* [ %A, %entry.split ], [ %incdec.ptr, %while.body ]
27  %cmp = icmp eq i32* %A.addr.0, %B
28  br i1 %cmp, label %while.end, label %while.body
29
30while.body:                                       ; preds = %while.cond
31  %tmp = load i32, i32* %A.addr.0, align 4
32  %add = add i32 %tmp, 1
33  store i32 %add, i32* %A.addr.0, align 4
34  %incdec.ptr = getelementptr i32, i32* %A.addr.0, i64 1
35  br label %while.cond
36
37while.end:                                        ; preds = %while.cond
38  ret void
39}
40