1; RUN: opt %loadPolly -polly-codegen-ppcg -polly-acc-dump-kernel-ir \
2; RUN: -disable-output < %s | \
3; RUN: FileCheck -check-prefix=IR %s
4
5; REQUIRES: pollyacc,nvptx
6
7;    void foo(long n, float A[][n]) {
8;      for (long i = 0; i < 32; i++)
9;        for (long j = 0; j < 32; j++)
10;          A[i][j] += A[i + 1][j + 1];
11;    }
12
13target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
14
15; This test case failed at some point as %n was only available in this kernel
16; when referenced through an isl_id in an isl ast expression, but not when
17; it was referenced from a SCEV  or instruction that not part of any loop
18; bound.
19
20; IR: %polly.access.mul.MemRef_A6 = mul nsw i64 {{.*}}, %n
21
22define void @foo(i64 %n, float* %A) {
23bb:
24  br label %bb2
25
26bb2:                                              ; preds = %bb19, %bb
27  %i.0 = phi i64 [ 0, %bb ], [ %tmp20, %bb19 ]
28  %exitcond1 = icmp ne i64 %i.0, 32
29  br i1 %exitcond1, label %bb3, label %bb21
30
31bb3:                                              ; preds = %bb2
32  br label %bb4
33
34bb4:                                              ; preds = %bb16, %bb3
35  %j.0 = phi i64 [ 0, %bb3 ], [ %tmp17, %bb16 ]
36  %exitcond = icmp ne i64 %j.0, 32
37  br i1 %exitcond, label %bb5, label %bb18
38
39bb5:                                              ; preds = %bb4
40  %tmp = add nuw nsw i64 %j.0, 1
41  %tmp6 = add nuw nsw i64 %i.0, 1
42  %tmp7 = mul nsw i64 %tmp6, %n
43  %tmp8 = getelementptr inbounds float, float* %A, i64 %tmp7
44  %tmp9 = getelementptr inbounds float, float* %tmp8, i64 %tmp
45  %tmp10 = load float, float* %tmp9, align 4
46  %tmp11 = mul nsw i64 %i.0, %n
47  %tmp12 = getelementptr inbounds float, float* %A, i64 %tmp11
48  %tmp13 = getelementptr inbounds float, float* %tmp12, i64 %j.0
49  %tmp14 = load float, float* %tmp13, align 4
50  %tmp15 = fadd float %tmp14, %tmp10
51  store float %tmp15, float* %tmp13, align 4
52  br label %bb16
53
54bb16:                                             ; preds = %bb5
55  %tmp17 = add nuw nsw i64 %j.0, 1
56  br label %bb4
57
58bb18:                                             ; preds = %bb4
59  br label %bb19
60
61bb19:                                             ; preds = %bb18
62  %tmp20 = add nuw nsw i64 %i.0, 1
63  br label %bb2
64
65bb21:                                             ; preds = %bb2
66  ret void
67}
68