root/test/correctness/gpu_object_lifetime_2.cpp

DEFINITIONS

1. halide_print
2. main

#include "Halide.h"
#include <iostream>

#include "test/common/gpu_object_lifetime_tracker.h"

using namespace Halide;

Internal::GpuObjectLifetimeTracker tracker;

void halide_print(void *user_context, const char *str) {
    printf("%s", str);

    tracker.record_gpu_debug(str);
}

int main(int argc, char *argv[]) {
    Var x, xi;

    Internal::JITHandlers handlers;
    handlers.custom_print = halide_print;
    Internal::JITSharedRuntime::set_default_handlers(handlers);

    Target target = get_jit_target_from_environment();

    // We need debug output to record object creation.
    target.set_feature(Target::Debug);

    {
        // Verify that internal buffers are released.
        Func f, g, h;
        f(x) = x;
        g(x) = f(x);
        h(x) = g(x);

        f.compute_root();
        g.compute_root();

        if (target.has_gpu_feature()) {
            g.gpu_tile(x, xi, 32);
        } else if (target.features_any_of({Target::HVX_64, Target::HVX_128})) {
            g.hexagon();
        }
        h.set_custom_print(halide_print);

        h.realize(256, target);
    }

    Internal::JITSharedRuntime::release_all();

    int ret = tracker.validate_gpu_object_lifetime(true /* allow_globals */, true /* allow_none */, 1 /* max_globals */);
    if (ret != 0) {
        return ret;
    }

    std::cout << "Success!" << std::endl;
    return 0;
}