1; RUN: opt < %s -analyze -delinearize  | FileCheck %s
2
3; void foo(long n, long m, long o, double A[n][m][o]) {
4;
5;   for (long i = 0; i < n; i++)
6;     for (long j = 0; j < m; j++)
7;       for (long k = 0; k < o; k++)
8;         A[i+3][j-4][k+7] = 1.0;
9; }
10
11; AddRec: {{{(56 + (8 * (-4 + (3 * %m)) * %o) + %A),+,(8 * %m * %o)}<%for.i>,+,(8 * %o)}<%for.j>,+,8}<%for.k>
12; CHECK: Base offset: %A
13; CHECK: ArrayDecl[UnknownSize][%m][%o] with elements of sizeof(double) bytes.
14; CHECK: ArrayRef[{3,+,1}<nw><%for.i>][{-4,+,1}<nw><%for.j>][{7,+,1}<nw><%for.k>]
15
16; AddRec: {{(48 + ((-24 + (24 * %m)) * %o) + %A),+,(8 * %m * %o)}<%for.i>,+,(8 * %o)}<%for.j>
17; CHECK: Base offset: %A
18; CHECK: ArrayDecl[UnknownSize][%o] with elements of sizeof(double) bytes.
19; CHECK: ArrayRef[{(-3 + (3 * %m)),+,%m}<%for.i>][{6,+,%o}<%for.j>]
20
21; AddRec: {(48 + ((-32 + (32 * %m)) * %o) + %A),+,(8 * %m * %o)}<%for.i>
22; CHECK: Base offset: %A
23; CHECK: ArrayDecl[UnknownSize] with elements of sizeof(double) bytes.
24; CHECK: ArrayRef[{(6 + ((-4 + (4 * %m)) * %o)),+,(%m * %o)}<%for.i>]
25
26define void @foo(i64 %n, i64 %m, i64 %o, double* %A) {
27entry:
28  br label %for.i
29
30for.i:
31  %i = phi i64 [ 0, %entry ], [ %i.inc, %for.i.inc ]
32  br label %for.j
33
34for.j:
35  %j = phi i64 [ 0, %for.i ], [ %j.inc, %for.j.inc ]
36  br label %for.k
37
38for.k:
39  %k = phi i64 [ 0, %for.j ], [ %k.inc, %for.k.inc ]
40  %offset0 = add nsw i64 %i, 3
41  %subscript0 = mul i64 %offset0, %m
42  %offset1 = add nsw i64 %j, -4
43  %subscript1 = add i64 %offset1, %subscript0
44  %subscript2 = mul i64 %subscript1, %o
45  %offset2 = add nsw i64 %k, 7
46  %subscript = add i64 %subscript2, %offset2
47  %idx = getelementptr inbounds double* %A, i64 %subscript
48  store double 1.0, double* %idx
49  br label %for.k.inc
50
51for.k.inc:
52  %k.inc = add nsw i64 %k, 1
53  %k.exitcond = icmp eq i64 %k.inc, %o
54  br i1 %k.exitcond, label %for.j.inc, label %for.k
55
56for.j.inc:
57  %j.inc = add nsw i64 %j, 1
58  %j.exitcond = icmp eq i64 %j.inc, %m
59  br i1 %j.exitcond, label %for.i.inc, label %for.j
60
61for.i.inc:
62  %i.inc = add nsw i64 %i, 1
63  %i.exitcond = icmp eq i64 %i.inc, %n
64  br i1 %i.exitcond, label %end, label %for.i
65
66end:
67  ret void
68}
69