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1; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-scops -analyze < %s | FileCheck %s
2
3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
4
5; Verify that we can look through a bitcast when delinearizing multi-dimensional
6; arrays.
7
8; CHECK: Stmt_bb7[i0, i1] -> MemRef_B[i0, i1]
9; CHECK: Stmt_bb7[i0, i1] -> MemRef_B[i0, i1]
10; CHECK: Stmt_bb17[i0] -> MemRef_B[i0, 100]
11
12define void @kernel(float* %A, [101 x float]* %B, [101 x float]* %C, float* %D) {
13bb:
14  br label %bb4
15
16bb4:                                              ; preds = %bb21, %bb
17  %indvars.iv1 = phi i64 [ %indvars.iv.next2, %bb21 ], [ 0, %bb ]
18  %exitcond3 = icmp eq i64 %indvars.iv1, 100
19  br i1 %exitcond3, label %bb22, label %bb5
20
21bb5:                                              ; preds = %bb4
22  br label %bb6
23
24bb6:                                              ; preds = %bb16, %bb5
25  %indvars.iv = phi i64 [ %indvars.iv.next, %bb16 ], [ 0, %bb5 ]
26  %exitcond = icmp eq i64 %indvars.iv, 100
27  br i1 %exitcond, label %bb17, label %bb7
28
29bb7:                                              ; preds = %bb6
30  %tmp = getelementptr inbounds float, float* %D, i64 %indvars.iv
31  %tmp8 = load float, float* %tmp, align 4
32  %tmp9 = getelementptr inbounds [101 x float], [101 x float]* %B, i64 %indvars.iv1, i64 %indvars.iv
33  %tmp10 = load float, float* %tmp9, align 4
34  %tmp11 = fmul float %tmp8, %tmp10
35  %tmp12 = getelementptr inbounds [101 x float], [101 x float]* %C, i64 %indvars.iv1, i64 %indvars.iv
36  store float %tmp11, float* %tmp12, align 4
37  %tmp13 = getelementptr inbounds float, float* %A, i64 %indvars.iv
38  %0 = bitcast float* %tmp13 to i32*
39  %tmp141 = load i32, i32* %0, align 4
40  %tmp15 = getelementptr inbounds [101 x float], [101 x float]* %B, i64 %indvars.iv1, i64 %indvars.iv
41  %1 = bitcast float* %tmp15 to i32*
42  store i32 %tmp141, i32* %1, align 4
43  br label %bb16
44
45bb16:                                             ; preds = %bb7
46  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
47  br label %bb6
48
49bb17:                                             ; preds = %bb6
50  %tmp18 = trunc i64 %indvars.iv1 to i32
51  %tmp19 = sitofp i32 %tmp18 to float
52  %tmp20 = getelementptr inbounds [101 x float], [101 x float]* %B, i64 %indvars.iv1, i64 100
53  store float %tmp19, float* %tmp20, align 4
54  br label %bb21
55
56bb21:                                             ; preds = %bb17
57  %indvars.iv.next2 = add nuw nsw i64 %indvars.iv1, 1
58  br label %bb4
59
60bb22:                                             ; preds = %bb4
61  ret void
62}
63