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#include "Halide.h"
#include <stdio.h>
using namespace Halide;
extern "C" {
void *my_malloc(JITUserContext *ctx, size_t sz) {
printf("There weren't supposed to be heap allocations!\n");
exit(1);
return nullptr;
}
void my_free(JITUserContext *ctx, void *ptr) {
printf("There weren't supposed to be heap allocations!\n");
exit(1);
}
}
int main(int argc, char **argv) {
if (get_jit_target_from_environment().arch == Target::WebAssembly) {
printf("[SKIP] WebAssembly JIT does not support custom allocators.\n");
return 0;
}
Func f, g, h;
Var x, y;
f(x, y) = x + y;
g(x, y) = f(x - 1, y + 1) * f(x + 1, y - 1);
h(x, y) = g(x + 1, y + 1) + g(x - 1, y - 1);
f.compute_at(h, x);
g.compute_at(h, x);
Var xi, yi;
h.tile(x, y, xi, yi, 4, 3).vectorize(xi);
// f and g should both do stack allocations
h.jit_handlers().custom_malloc = my_malloc;
h.jit_handlers().custom_free = my_free;
h.realize({10, 10});
printf("Success!\n");
return 0;
}
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