1; RUN: opt %loadPolly -polly-scops -analyze -S < %s | FileCheck %s
2;
3;    struct com {
4;      double Real;
5;      double Img;
6;    };
7;
8;    void foo(long n, struct com A[][n]) {
9;      for (long i = 0; i < 100; i++)
10;        for (long j = 0; j < 1000; j++)
11;          A[i][j].Real += A[i][j].Img;
12;    }
13;
14;    int main() {
15;      struct com A[100][1000];
16;      foo(1000, A);
17;    }
18
19; CHECK:      Arrays {
20; CHECK-NEXT:     double MemRef_A[*][(2 * %n)]; // Element size 8
21; CHECK-NEXT: }
22
23; CHECK: 	Stmt_for_body3
24; CHECK-NEXT:         Domain :=
25; CHECK-NEXT:             [n] -> { Stmt_for_body3[i0, i1] : 0 <= i0 <= 99 and 0 <= i1 <= 999 };
26; CHECK-NEXT:         Schedule :=
27; CHECK-NEXT:             [n] -> { Stmt_for_body3[i0, i1] -> [i0, i1] };
28; CHECK-NEXT:         ReadAccess :=	[Reduction Type: NONE] [Scalar: 0]
29; CHECK-NEXT:             [n] -> { Stmt_for_body3[i0, i1] -> MemRef_A[i0, 1 + 2i1] };
30; CHECK-NEXT:         ReadAccess :=	[Reduction Type: NONE] [Scalar: 0]
31; CHECK-NEXT:             [n] -> { Stmt_for_body3[i0, i1] -> MemRef_A[i0, 2i1] };
32; CHECK-NEXT:         MustWriteAccess :=	[Reduction Type: NONE] [Scalar: 0]
33; CHECK-NEXT:             [n] -> { Stmt_for_body3[i0, i1] -> MemRef_A[i0, 2i1] };
34
35source_filename = "/tmp/test.c"
36target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
37
38%struct.com = type { double, double }
39%struct.com2 = type { [20000000000 x double] }
40
41define void @foo(i64 %n, %struct.com* %A) {
42entry:
43  br label %for.cond
44
45for.cond:                                         ; preds = %for.inc7, %entry
46  %i.0 = phi i64 [ 0, %entry ], [ %inc8, %for.inc7 ]
47  %exitcond1 = icmp ne i64 %i.0, 100
48  br i1 %exitcond1, label %for.body, label %for.end9
49
50for.body:                                         ; preds = %for.cond
51  br label %for.cond1
52
53for.cond1:                                        ; preds = %for.inc, %for.body
54  %j.0 = phi i64 [ 0, %for.body ], [ %inc, %for.inc ]
55  %exitcond = icmp ne i64 %j.0, 1000
56  br i1 %exitcond, label %for.body3, label %for.end
57
58for.body3:                                        ; preds = %for.cond1
59  %tmp = mul nsw i64 %i.0, %n
60  %arrayidx = getelementptr inbounds %struct.com, %struct.com* %A, i64 %tmp
61  %arrayidx4 = getelementptr inbounds %struct.com, %struct.com* %arrayidx, i64 %j.0
62  %Img = getelementptr inbounds %struct.com, %struct.com* %arrayidx4, i64 0, i32 1
63  %tmp2 = load double, double* %Img, align 8
64  %tmp3 = mul nsw i64 %i.0, %n
65  %arrayidx5 = getelementptr inbounds %struct.com, %struct.com* %A, i64 %tmp3
66  %arrayidx6 = getelementptr inbounds %struct.com, %struct.com* %arrayidx5, i64 %j.0
67  %Real = getelementptr inbounds %struct.com, %struct.com* %arrayidx6, i64 0, i32 0
68  %tmp4 = load double, double* %Real, align 8
69  %add = fadd double %tmp4, %tmp2
70  store double %add, double* %Real, align 8
71  br label %for.inc
72
73for.inc:                                          ; preds = %for.body3
74  %inc = add nuw nsw i64 %j.0, 1
75  br label %for.cond1
76
77for.end:                                          ; preds = %for.cond1
78  br label %for.inc7
79
80for.inc7:                                         ; preds = %for.end
81  %inc8 = add nuw nsw i64 %i.0, 1
82  br label %for.cond
83
84for.end9:                                         ; preds = %for.cond
85  ret void
86}
87
88; CHECK:      Arrays {
89; CHECK-NEXT:     double MemRef_O[*][%n]; // Element size 8
90; CHECK-NEXT: }
91
92define void @foo_overflow(i64 %n, %struct.com2* nocapture %O) local_unnamed_addr #0 {
93entry:
94  br label %for.body
95
96for.cond.cleanup:                                 ; preds = %for.cond.cleanup3
97  ret void
98
99for.body:                                         ; preds = %for.cond.cleanup3, %entry
100  %i.024 = phi i64 [ 0, %entry ], [ %inc12, %for.cond.cleanup3 ]
101  %0 = mul nsw i64 %i.024, %n
102  %arrayidx = getelementptr inbounds %struct.com2, %struct.com2* %O, i64 %0
103  br label %for.body4
104
105for.cond.cleanup3:                                ; preds = %for.body4
106  %inc12 = add nuw nsw i64 %i.024, 1
107  %exitcond25 = icmp eq i64 %inc12, 100
108  br i1 %exitcond25, label %for.cond.cleanup, label %for.body
109
110for.body4:                                        ; preds = %for.body4, %for.body
111  %j.023 = phi i64 [ 0, %for.body ], [ %inc, %for.body4 ]
112  %arrayidx5 = getelementptr inbounds %struct.com2, %struct.com2* %arrayidx, i64 %j.023
113  %Real = getelementptr inbounds %struct.com2, %struct.com2* %arrayidx5, i64 0, i32 0
114  %arrayidx6 = getelementptr inbounds [20000000000 x double], [20000000000 x double]* %Real, i64 0, i64 1
115  %1 = load double, double* %arrayidx6, align 8
116  %arrayidx10 = getelementptr inbounds [20000000000 x double], [20000000000 x double]* %Real, i64 0, i64 0
117  %2 = load double, double* %arrayidx10, align 8
118  %add = fadd double %1, %2
119  store double %add, double* %arrayidx10, align 8
120  %inc = add nuw nsw i64 %j.023, 1
121  %exitcond = icmp eq i64 %inc, 1000
122  br i1 %exitcond, label %for.cond.cleanup3, label %for.body4
123}
124