1; RUN: opt -S %loadPolly -basic-aa -polly-opt-isl -polly-tiling=false \
2; RUN: -polly-pattern-matching-based-opts=false -polly-vectorizer=polly \
3; RUN: -polly-ast -analyze < %s | FileCheck %s
4target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5
6@C = common global [1536 x [1536 x float]] zeroinitializer, align 16
7@A = common global [1536 x [1536 x float]] zeroinitializer, align 16
8@B = common global [1536 x [1536 x float]] zeroinitializer, align 16
9
10; Function Attrs: nounwind uwtable
11define void @foo() #0 {
12entry:
13  br label %entry.split
14
15entry.split:                                      ; preds = %entry
16  br label %for.cond1.preheader
17
18for.cond1.preheader:                              ; preds = %entry.split, %for.inc28
19  %indvar4 = phi i64 [ 0, %entry.split ], [ %indvar.next5, %for.inc28 ]
20  br label %for.body3
21
22for.body3:                                        ; preds = %for.cond1.preheader, %for.inc25
23  %indvar6 = phi i64 [ 0, %for.cond1.preheader ], [ %indvar.next7, %for.inc25 ]
24  %arrayidx24 = getelementptr [1536 x [1536 x float]], [1536 x [1536 x float]]* @C, i64 0, i64 %indvar4, i64 %indvar6
25  store float 0.000000e+00, float* %arrayidx24, align 4
26  br label %for.body8
27
28for.body8:                                        ; preds = %for.body3, %for.body8
29  %indvar = phi i64 [ 0, %for.body3 ], [ %indvar.next, %for.body8 ]
30  %arrayidx16 = getelementptr [1536 x [1536 x float]], [1536 x [1536 x float]]* @A, i64 0, i64 %indvar4, i64 %indvar
31  %arrayidx20 = getelementptr [1536 x [1536 x float]], [1536 x [1536 x float]]* @B, i64 0, i64 %indvar, i64 %indvar6
32  %0 = load float, float* %arrayidx24, align 4
33  %1 = load float, float* %arrayidx16, align 4
34  %2 = load float, float* %arrayidx20, align 4
35  %mul = fmul float %1, %2
36  %add = fadd float %0, %mul
37  store float %add, float* %arrayidx24, align 4
38  %indvar.next = add i64 %indvar, 1
39  %exitcond = icmp ne i64 %indvar.next, 1536
40  br i1 %exitcond, label %for.body8, label %for.inc25
41
42for.inc25:                                        ; preds = %for.body8
43  %indvar.next7 = add i64 %indvar6, 1
44  %exitcond8 = icmp ne i64 %indvar.next7, 1536
45  br i1 %exitcond8, label %for.body3, label %for.inc28
46
47for.inc28:                                        ; preds = %for.inc25
48  %indvar.next5 = add i64 %indvar4, 1
49  %exitcond9 = icmp ne i64 %indvar.next5, 1536
50  br i1 %exitcond9, label %for.cond1.preheader, label %for.end30
51
52for.end30:                                        ; preds = %for.inc28
53  ret void
54}
55
56attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
57
58; CHECK: #pragma known-parallel
59; CHECK: for (int c0 = 0; c0 <= 1535; c0 += 1)
60; CHECK:   for (int c1 = 0; c1 <= 383; c1 += 1)
61; CHECK:       // SIMD
62; CHECK:     for (int c2 = 0; c2 <= 3; c2 += 1)
63; CHECK:       Stmt_for_body3(c0, 4 * c1 + c2);
64; CHECK: #pragma known-parallel
65; CHECK: for (int c0 = 0; c0 <= 1535; c0 += 1)
66; CHECK:   for (int c1 = 0; c1 <= 383; c1 += 1)
67; CHECK:     for (int c2 = 0; c2 <= 1535; c2 += 1)
68; CHECK:       // SIMD
69; CHECK:       for (int c3 = 0; c3 <= 3; c3 += 1)
70; CHECK:         Stmt_for_body8(c0, 4 * c1 + c3, c2);
71
72!llvm.ident = !{!0}
73
74!0 = !{!"clang version 3.5.0 "}
75