File: failed_unroll.cpp

package info (click to toggle)
halide 21.0.0-4
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 55,752 kB
  • sloc: cpp: 289,334; ansic: 22,751; python: 7,486; makefile: 4,299; sh: 2,508; java: 1,549; javascript: 282; pascal: 207; xml: 127; asm: 9
file content (28 lines) | stat: -rw-r--r-- 651 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
#include "Halide.h"

using namespace Halide;

int main(int argc, char **argv) {
#ifdef _WIN32
    printf("[SKIP] Windows does not have a working setenv\n");
#else

    // This tests a temporary hack to silence the error when you try
    // to unroll a loop of non-constant size. We have yet to figure
    // out whether or how to expose this behavior in the scheduling
    // language.
    Func f;
    Var x;
    f(x) = 3;

    // Would normally cause an error, because x doesn't have a known
    // constant size.
    f.unroll(x);

    setenv("HL_PERMIT_FAILED_UNROLL", "1", 1);
    f.realize({17});
    printf("Success!\n");
#endif

    return 0;
}