1; RUN: opt %loadPolly -polly-codegen \
2; RUN:     -polly-allow-nonaffine-branches -S -verify-dom-info \
3; RUN:     < %s | FileCheck %s
4;
5;    void f(float *A) {
6;      for (int i = 0; i < 1024; i++)
7;        if (A[i] == A[i - 1])
8;          A[i]++;
9;       A[i]++;
10;    }
11;
12;
13; CHECK: polly.stmt.bb2:
14; CHECK:   %scevgep[[R0:[0-9]*]] = getelementptr float, float* %A, i64 %polly.indvar
15; CHECK:   %tmp3_p_scalar_ = load float, float* %scevgep[[R0]], align 4, !alias.scope !0, !noalias !2
16; CHECK:   %scevgep[[R2:[0-9]*]] = getelementptr float, float* %scevgep{{[0-9]*}}, i64 %polly.indvar
17; CHECK:   %tmp6_p_scalar_ = load float, float* %scevgep[[R2]], align 4, !alias.scope !0, !noalias !2
18; CHECK:   %p_tmp7 = fcmp oeq float %tmp3_p_scalar_, %tmp6_p_scalar_
19; CHECK:   br i1 %p_tmp7, label %polly.stmt.bb8, label %polly.stmt.bb12.[[R:[a-zA-Z_.0-9]*]]
20
21; CHECK: polly.stmt.bb8:
22; CHECK:   %scevgep[[R3:[0-9]*]] = getelementptr float, float* %A, i64 %polly.indvar
23; CHECK:   %tmp10_p_scalar_ = load float, float* %scevgep[[R3]], align 4, !alias.scope !0, !noalias !2
24; CHECK:   %p_tmp11 = fadd float %tmp10_p_scalar_, 1.000000e+00
25; CHECK:   store float %p_tmp11, float* %scevgep[[R3]], align 4, !alias.scope !0, !noalias !2
26; CHECK:   br label %polly.stmt.bb12.[[R]]
27
28; CHECK: polly.stmt.bb12.[[R]]:
29; CHECK:   br label %polly.stmt.bb12
30
31; CHECK: polly.stmt.bb12:
32; CHECK:   %scevgep[[R4:[0-9]*]] = getelementptr float, float* %A, i64 %polly.indvar
33; CHECK:   %tmp10b_p_scalar_ = load float, float* %scevgep[[R4]], align 4, !alias.scope !0, !noalias !2
34; CHECK:   %p_tmp11b = fadd float %tmp10b_p_scalar_, 1.000000e+00
35; CHECK:   store float %p_tmp11b, float* %scevgep[[R4]], align 4, !alias.scope !0, !noalias !2
36; CHECK:   %polly.indvar_next = add nsw i64 %polly.indvar, 1
37; CHECK:   %polly.loop_cond = icmp sle i64 %polly.indvar_next, 1023
38; CHECK:   br i1 %polly.loop_cond, label %polly.loop_header, label %polly.loop_exit
39
40target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
41
42define void @f(float* %A) {
43bb:
44  br label %bb1
45
46bb1:                                              ; preds = %bb13, %bb
47  %indvars.iv = phi i64 [ %indvars.iv.next, %bb13 ], [ 0, %bb ]
48  %exitcond = icmp ne i64 %indvars.iv, 1024
49  br i1 %exitcond, label %bb2, label %bb14
50
51bb2:                                              ; preds = %bb1
52  %tmp = getelementptr inbounds float, float* %A, i64 %indvars.iv
53  %tmp3 = load float, float* %tmp, align 4
54  %tmp4 = add nsw i64 %indvars.iv, -1
55  %tmp5 = getelementptr inbounds float, float* %A, i64 %tmp4
56  %tmp6 = load float, float* %tmp5, align 4
57  %tmp7 = fcmp oeq float %tmp3, %tmp6
58  br i1 %tmp7, label %bb8, label %bb12
59
60bb8:                                              ; preds = %bb2
61  %tmp9 = getelementptr inbounds float, float* %A, i64 %indvars.iv
62  %tmp10 = load float, float* %tmp9, align 4
63  %tmp11 = fadd float %tmp10, 1.000000e+00
64  store float %tmp11, float* %tmp9, align 4
65  br label %bb12
66
67bb12:                                             ; preds = %bb8, %bb2
68  %tmp9b = getelementptr inbounds float, float* %A, i64 %indvars.iv
69  %tmp10b = load float, float* %tmp9b, align 4
70  %tmp11b = fadd float %tmp10b, 1.000000e+00
71  store float %tmp11b, float* %tmp9b, align 4
72  br label %bb13
73
74bb13:                                             ; preds = %bb12
75  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
76  br label %bb1
77
78bb14:                                             ; preds = %bb1
79  ret void
80}
81