1; RUN: opt %loadPolly -basicaa -polly-scops -analyze -polly-allow-modref-calls \
2; RUN:  < %s | FileCheck %s
3; RUN: opt %loadPolly -basicaa -polly-codegen -disable-output \
4; RUN: -polly-allow-modref-calls < %s
5;
6; Check that we assume the call to func has a read on the whole A array.
7;
8; CHECK:      Stmt_for_body
9; CHECK-NEXT:   Domain :=
10; CHECK-NEXT:       { Stmt_for_body[i0] : 0 <= i0 <= 1023 };
11; CHECK-NEXT:   Schedule :=
12; CHECK-NEXT:       { Stmt_for_body[i0] -> [i0] };
13; CHECK-NEXT:   MustWriteAccess :=  [Reduction Type: NONE]
14; CHECK-NEXT:       { Stmt_for_body[i0] -> MemRef_A[2 + i0] };
15; CHECK-NEXT:   ReadAccess :=  [Reduction Type: NONE]
16; CHECK-NEXT:       { Stmt_for_body[i0] -> MemRef_A[o0] };
17;
18;    #pragma readonly
19;    int func(int *A);
20;
21;    void jd(int *A) {
22;      for (int i = 0; i < 1024; i++)
23;        A[i + 2] = func(A);
24;    }
25;
26target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
27
28define void @jd(i32* %A) {
29entry:
30  br label %for.cond
31
32for.cond:                                         ; preds = %for.inc, %entry
33  %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
34  %exitcond = icmp ne i64 %indvars.iv, 1024
35  br i1 %exitcond, label %for.body, label %for.end
36
37for.body:                                         ; preds = %for.cond
38  %call = call i32 @func(i32* %A) #2
39  %tmp = add nsw i64 %indvars.iv, 2
40  %arrayidx = getelementptr inbounds i32, i32* %A, i64 %tmp
41  store i32 %call, i32* %arrayidx, align 4
42  br label %for.inc
43
44for.inc:                                          ; preds = %for.body
45  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
46  br label %for.cond
47
48for.end:                                          ; preds = %for.cond
49  ret void
50}
51
52declare i32 @func(i32*) #1
53
54attributes #1 = { nounwind readonly }
55