1 ; RUN: opt %loadPolly -basic-aa -polly-print-scops -polly-allow-modref-calls \
2 ; RUN: -disable-output < %s | FileCheck %s
3 ; RUN: opt %loadPolly -basic-aa -polly-codegen -disable-output \
4 ; RUN: -polly-allow-modref-calls < %s
6 ; Check that the call to func will "read" not only the A array but also the
7 ; B array. The reason is the readonly annotation of func.
10 ; CHECK-NEXT: Domain :=
11 ; CHECK-NEXT: { Stmt_for_body[i0] : 0 <= i0 <= 1023 };
12 ; CHECK-NEXT: Schedule :=
13 ; CHECK-NEXT: { Stmt_for_body[i0] -> [i0] };
14 ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE]
15 ; CHECK-NEXT: { Stmt_for_body[i0] -> MemRef_B[i0] };
16 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE]
17 ; CHECK-NEXT: { Stmt_for_body[i0] -> MemRef_A[2 + i0] };
18 ; CHECK-DAG: ReadAccess := [Reduction Type: NONE]
19 ; CHECK-DAG: { Stmt_for_body[i0] -> MemRef_B[o0] };
20 ; CHECK-DAG: ReadAccess := [Reduction Type: NONE]
21 ; CHECK-DAG: { Stmt_for_body[i0] -> MemRef_A[o0] };
26 ; void jd(int *restrict A, int *restrict B) {
27 ; for (int i = 0; i < 1024; i++)
28 ; A[i + 2] = func(A) + B[i];
31 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
33 define void @jd(ptr noalias %A, ptr noalias %B) {
37 for.body: ; preds = %entry, %for.inc
38 %i = phi i64 [ 0, %entry ], [ %i.next, %for.inc ]
39 %call = call i32 @func(ptr %A)
40 %arrayidx = getelementptr inbounds i32, ptr %B, i64 %i
41 %tmp = load i32, ptr %arrayidx, align 4
42 %add = add nsw i32 %call, %tmp
43 %tmp1 = add nsw i64 %i, 2
44 %arrayidx1 = getelementptr inbounds i32, ptr %A, i64 %tmp1
45 store i32 %add, ptr %arrayidx1, align 4
48 for.inc: ; preds = %for.body
49 %i.next = add nuw nsw i64 %i, 1
50 %exitcond = icmp ne i64 %i.next, 1024
51 br i1 %exitcond, label %for.body, label %for.end
53 for.end: ; preds = %for.inc
57 declare i32 @func(ptr) #0
59 attributes #0 = { nounwind readonly }