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Revision 16ddff55efc02d37b713eed569d435bdc4f5dfb7 authored by Andrew Adams on 31 August 2023, 22:21:03 UTC, committed by Andrew Adams on 31 August 2023, 22:21:03 UTC 
Handle certain instances of signed integer overflow
1 parent ef9a7d8
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failed_unroll.cpp 
#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;
}
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