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
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(i32* noalias %A, i32* noalias %B) {
37 for.cond: ; preds = %for.inc, %entry
38 %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
39 %exitcond = icmp ne i64 %indvars.iv, 1024
40 br i1 %exitcond, label %for.body, label %for.end
42 for.body: ; preds = %for.cond
43 %call = call i32 @func(i32* %A)
44 %arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
45 %tmp = load i32, i32* %arrayidx, align 4
46 %add = add nsw i32 %call, %tmp
47 %tmp2 = add nsw i64 %indvars.iv, 2
48 %arrayidx3 = getelementptr inbounds i32, i32* %A, i64 %tmp2
49 store i32 %add, i32* %arrayidx3, align 4
52 for.inc: ; preds = %for.body
53 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
56 for.end: ; preds = %for.cond
60 declare i32 @func(i32*) #1
62 attributes #1 = { nounwind readonly }