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