Revision 4abb1898dd808727c46e4691e2ccb466f08004e7 authored by Steven Johnson on 19 August 2020, 18:31:01 UTC, committed by Steven Johnson on 19 August 2020, 18:31:01 UTC
bad_compute_at.cpp
#include "Halide.h"
#include <stdio.h>
using namespace Halide;
int main(int argc, char **argv) {
Func f("f"), g("g"), h("h"), junk1, junk2, junk3;
Var x("x"), y("y");
f(x) = x;
g(x) = f(x);
junk1(x) = 3;
junk2(x) = 3;
junk3(x, y) = 3;
h(x, y) = g(x) + f(x) + junk1(x) + junk2(x) + junk3(x, y);
g.compute_at(h, y);
// Add some other junk functions to complicate the error message
junk1.compute_at(h, y);
junk2.compute_at(h, x);
junk3.compute_root();
// This makes no sense, because f is also used by g, which is computed at (h, y), which is outside of (h, x).
f.compute_at(h, x);
h.realize(10);
printf("Success!\n");
return 0;
}
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