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][j][k] = 1.0;
9; }
10
11; AddRec: {{{%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[{0,+,1}<nuw><nsw><%for.i>][{0,+,1}<nuw><nsw><%for.j>][{0,+,1}<nuw><nsw><%for.k>]
15
16; AddRec: {{(-8 + (8 * %o) + %A),+,(8 * %m * %o)}<%for.i>,+,(8 * %o)}<%for.j>
17; CHECK: Base offset: %A
18; CHECK: ArrayDecl[UnknownSize][(%m * %o)] with elements of sizeof(double) bytes.
19; CHECK: ArrayRef[{0,+,1}<nuw><nsw><%for.i>][{(-1 + %o),+,%o}<%for.j>]
20
21; AddRec: {(-8 + (8 * %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[{(-1 + (%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  %subscript0 = mul i64 %i, %m
41  %subscript1 = add i64 %j, %subscript0
42  %subscript2 = mul i64 %subscript1, %o
43  %subscript = add i64 %subscript2, %k
44  %idx = getelementptr inbounds double* %A, i64 %subscript
45  store double 1.0, double* %idx
46  br label %for.k.inc
47
48for.k.inc:
49  %k.inc = add nsw i64 %k, 1
50  %k.exitcond = icmp eq i64 %k.inc, %o
51  br i1 %k.exitcond, label %for.j.inc, label %for.k
52
53for.j.inc:
54  %j.inc = add nsw i64 %j, 1
55  %j.exitcond = icmp eq i64 %j.inc, %m
56  br i1 %j.exitcond, label %for.i.inc, label %for.j
57
58for.i.inc:
59  %i.inc = add nsw i64 %i, 1
60  %i.exitcond = icmp eq i64 %i.inc, %n
61  br i1 %i.exitcond, label %end, label %for.i
62
63end:
64  ret void
65}
66