1; RUN: opt %loadPolly -basicaa -polly-detect -analyze \
2; RUN:  -polly-allow-modref-calls < %s | FileCheck %s -check-prefix=MODREF
3; RUN: opt %loadPolly -basicaa -polly-detect -analyze \
4; RUN:  < %s | FileCheck %s
5;
6; CHECK-NOT: Valid Region for Scop: for.cond => for.end
7; MODREF: Valid Region for Scop: for.cond => 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.cond
24
25for.cond:                                         ; preds = %for.inc, %entry
26  %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
27  %exitcond = icmp ne i64 %indvars.iv, 1024
28  br i1 %exitcond, label %for.body, label %for.end
29
30for.body:                                         ; preds = %for.cond
31  %call = call i32 @func(i32* %A)
32  %tmp = add nsw i64 %indvars.iv, 2
33  %arrayidx = getelementptr inbounds i32, i32* %A, i64 %tmp
34  store i32 %call, i32* %arrayidx, align 4
35  br label %for.inc
36
37for.inc:                                          ; preds = %for.body
38  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
39  br label %for.cond
40
41for.end:                                          ; preds = %for.cond
42  ret void
43}
44
45attributes #1 = { nounwind readonly }
46