xref: /llvm-project/llvm/test/TableGen/range-op.td (revision df330d749699f42751831f1b72fc7fd683f903c3)
1// RUN: llvm-tblgen %s | FileCheck %s
2// XFAIL: vg_leak
3
4// CHECK: def range_op_ranges {
5def range_op_ranges {
6  // !range(n) generates half-open interval "[0,n)"
7  // CHECK: list<int> idxs8 = [0, 1, 2, 3, 4, 5, 6, 7];
8  list<int> idxs8 = !range(8);
9
10  // !range(m, n) generates half-open interval "[m,n)"
11  // CHECK: list<int> idxs4 = [4, 5, 6, 7];
12  list<int> idxs4 = !range(4, 8);
13
14  // !range(m, n, s) generates half-open interval "[m,n)" with step s
15  // CHECK: list<int> step = [0, 2, 4, 6];
16  list<int> step = !range(0, 8, 2);
17
18  // Step can be negative.
19  // CHECK: list<int> negative_step = [8, 6, 4, 2];
20  list<int> negative_step = !range(8, 0, -2);
21
22  // !range(m, n) generates empty set if m >= n
23  // CHECK: list<int> idxs84 = [];
24  list<int> idxs84 = !range(8, 4);
25
26  // !range(m, n, s) generates empty set if m < n and s < 0
27  // CHECK: list<int> emptycase0 = [];
28  list<int> emptycase0 = !range(4, 8, -1);
29
30  // !range(m, n, s) generates empty set if m > n and s > 0
31  // CHECK: list<int> emptycase1 = [];
32  list<int> emptycase1 = !range(8, 4, 1);
33
34  // !range(list) generates index values for the list. (Not a copy of the list)
35  // CHECK: list<int> idxsl = [0, 1, 2, 3];
36  list<int> idxsl = !range(idxs4);
37
38  // !range(emptylist) generates empty set
39  // CHECK: list<int> idxs0 = [];
40  list<int> idxs0 = !range(idxs84);
41
42  // Example: Dynamic !range(n)
43  // CHECK: list<list<int>> rn = {{\[}}[0, 1, 2, 3], [0, 1, 2, 3, 4], [0, 1, 2, 3, 4, 5], [0, 1, 2, 3, 4, 5, 6]];
44  list<list<int>> rn = !foreach(i, idxs4, !range(i));
45
46  // Example: Dynamic !range(m, n)
47  // CHECK: list<list<int>> rm = {{\[}}[0, 1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 5], [2, 3, 4], [3], [], [], [], []];
48  list<list<int>> rm = !foreach(i, idxs8, !range(i, !sub(7, i)));
49
50  // Example: Dynamic !range(list)
51  // CHECK: list<list<int>> rl = {{\[}}[0, 1, 2, 3, 4, 5, 6], [0, 1, 2, 3, 4], [0, 1, 2], [0], [], [], [], []];
52  list<list<int>> rl = !foreach(r, rm, !range(r));
53}
54