1; RUN: opt -basic-aa %loadPolly -polly-stmt-granularity=bb -polly-scops -analyze < %s | FileCheck %s
2;
3; CHECK: ReadAccess :=       [Reduction Type: NONE
4; CHECK:     { Stmt_for_body[i0] -> MemRef_A[1 + i0] };
5; CHECK: ReadAccess :=       [Reduction Type: NONE
6; CHECK:     { Stmt_for_body[i0] -> MemRef_A[i0] };
7; CHECK: MustWriteAccess :=  [Reduction Type: NONE
8; CHECK:     { Stmt_for_body[i0] -> MemRef_first[0] };
9; CHECK: ReadAccess :=       [Reduction Type: +
10; CHECK:     { Stmt_for_body[i0] -> MemRef_sum[0] };
11; CHECK: MustWriteAccess :=  [Reduction Type: +
12; CHECK:     { Stmt_for_body[i0] -> MemRef_sum[0] };
13; CHECK: ReadAccess :=       [Reduction Type: NONE
14; CHECK:     { Stmt_for_body[i0] -> MemRef_A[-1 + i0] };
15; CHECK: ReadAccess :=       [Reduction Type: NONE
16; CHECK:     { Stmt_for_body[i0] -> MemRef_A[i0] };
17; CHECK: MustWriteAccess :=  [Reduction Type: NONE
18; CHECK:     { Stmt_for_body[i0] -> MemRef_middle[0] };
19; CHECK: ReadAccess :=       [Reduction Type: *
20; CHECK:     { Stmt_for_body[i0] -> MemRef_prod[0] };
21; CHECK: MustWriteAccess :=  [Reduction Type: *
22; CHECK:     { Stmt_for_body[i0] -> MemRef_prod[0] };
23; CHECK: ReadAccess :=       [Reduction Type: NONE
24; CHECK:     { Stmt_for_body[i0] -> MemRef_A[-1 + i0] };
25; CHECK: ReadAccess :=       [Reduction Type: NONE
26; CHECK:     { Stmt_for_body[i0] -> MemRef_A[1 + i0] };
27; CHECK: MustWriteAccess :=  [Reduction Type: NONE
28; CHECK:     { Stmt_for_body[i0] -> MemRef_last[0] };
29;
30; int first, sum, middle, prod, last;
31;
32; void f(int * restrict A) {
33;   int i;
34;   for (int i = 0; i < 100; i++) {
35;     first = A[i+1] + A[i];
36;     sum += i * 3;
37;     middle = A[i-1] + A[i];
38;     prod *= (i + 3);
39;     last = A[i-1] + A[i+1];
40;   }
41; }
42target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
43
44@first = common global i32 0, align 4
45@sum = common global i32 0, align 4
46@middle = common global i32 0, align 4
47@prod = common global i32 0, align 4
48@last = common global i32 0, align 4
49
50define void @f(i32* noalias %A) {
51entry:
52  br label %for.cond
53
54for.cond:                                         ; preds = %for.inc, %entry
55  %i1.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
56  %exitcond = icmp ne i32 %i1.0, 100
57  br i1 %exitcond, label %for.body, label %for.end
58
59for.body:                                         ; preds = %for.cond
60  %add = add nsw i32 %i1.0, 1
61  %arrayidx = getelementptr inbounds i32, i32* %A, i32 %add
62  %tmp = load i32, i32* %arrayidx, align 4
63  %arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %i1.0
64  %tmp1 = load i32, i32* %arrayidx2, align 4
65  %add3 = add nsw i32 %tmp, %tmp1
66  store i32 %add3, i32* @first, align 4
67  %mul = mul nsw i32 %i1.0, 3
68  %tmp2 = load i32, i32* @sum, align 4
69  %add4 = add nsw i32 %tmp2, %mul
70  store i32 %add4, i32* @sum, align 4
71  %sub = add nsw i32 %i1.0, -1
72  %arrayidx5 = getelementptr inbounds i32, i32* %A, i32 %sub
73  %tmp3 = load i32, i32* %arrayidx5, align 4
74  %arrayidx6 = getelementptr inbounds i32, i32* %A, i32 %i1.0
75  %tmp4 = load i32, i32* %arrayidx6, align 4
76  %add7 = add nsw i32 %tmp3, %tmp4
77  store i32 %add7, i32* @middle, align 4
78  %add8 = add nsw i32 %i1.0, 3
79  %tmp5 = load i32, i32* @prod, align 4
80  %mul9 = mul nsw i32 %tmp5, %add8
81  store i32 %mul9, i32* @prod, align 4
82  %sub10 = add nsw i32 %i1.0, -1
83  %arrayidx11 = getelementptr inbounds i32, i32* %A, i32 %sub10
84  %tmp6 = load i32, i32* %arrayidx11, align 4
85  %add12 = add nsw i32 %i1.0, 1
86  %arrayidx13 = getelementptr inbounds i32, i32* %A, i32 %add12
87  %tmp7 = load i32, i32* %arrayidx13, align 4
88  %add14 = add nsw i32 %tmp6, %tmp7
89  store i32 %add14, i32* @last, align 4
90  br label %for.inc
91
92for.inc:                                          ; preds = %for.body
93  %inc = add nsw i32 %i1.0, 1
94  br label %for.cond
95
96for.end:                                          ; preds = %for.cond
97  ret void
98}
99