File: bad_compute_with_parent_func_not_used.cpp

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

using namespace Halide;

int main(int argc, char **argv) {
    Var x("x"), y("y");
    Func f("f"), g("g"), h("h"), p("p");

    f(x, y) = x + y;
    g(x, y) = x - y;
    p(x, y) = x * y;
    h(x, y) = g(x + 2, y - 2) + p(x, y);
    h(x, y) += f(x - 1, y + 1);

    f.compute_at(h, y);
    g.compute_at(h, y);
    p.compute_at(h, y);

    p.compute_with(f, x);
    g.compute_with(f, x);
    h.realize({200, 200});

    printf("Success!\n");
    return 0;
}