1; RUN: opt %loadPolly -basic-aa -polly-detect -analyze \
2; RUN:  -polly-allow-modref-calls < %s | FileCheck %s -check-prefix=MODREF
3; RUN: opt %loadPolly -basic-aa -polly-detect -analyze \
4; RUN:  < %s | FileCheck %s
5;
6; CHECK-NOT: Valid Region for Scop: for.body => for.end
7; MODREF: Valid Region for Scop: for.body => for.end
8;
9;    #pragma readonly
10;    int func(int *A);
11;
12;    void jd(int *A) {
13;      for (int i = 0; i < 1024; i++)
14;        A[i + 2] = func(A);
15;    }
16;
17target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
18
19declare i32 @func(i32* %A) #1
20
21define void @jd(i32* %A) {
22entry:
23  br label %for.body
24
25for.body:                                         ; preds = %entry, %for.inc
26  %i = phi i64 [ 0, %entry ], [ %i.next, %for.inc ]
27  %call = call i32 @func(i32* %A)
28  %tmp = add nsw i64 %i, 2
29  %arrayidx = getelementptr inbounds i32, i32* %A, i64 %tmp
30  store i32 %call, i32* %arrayidx, align 4
31  br label %for.inc
32
33for.inc:                                          ; preds = %for.body
34  %i.next = add nuw nsw i64 %i, 1
35  %exitcond = icmp ne i64 %i.next, 1024
36  br i1 %exitcond, label %for.body, label %for.end
37
38for.end:                                          ; preds = %for.inc
39  ret void
40}
41
42attributes #1 = { nounwind readonly }
43