File: vrp27.c

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gcc-arm-none-eabi 15%3A7-2018-q2-5
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/* PR middle-end/26361.  */
/* { dg-do run } */
/* { dg-options "-O2 -std=gnu89" } */

void abort(void);

__attribute__((noinline))
void gen_rtx_CONST_INT(long long x) {
    if (-x > 10)
        abort();
}
__attribute__((noinline))
int alpha_expand_prologue(long frame_size)
{
    unsigned long long a;
    int probed;
    if (frame_size <= 1)  return;
    unsigned long long b = -2;
    a = -2;
    do {
        int a1 = a;
        probed = -a1;
        gen_rtx_CONST_INT (a1);
        a -= 2;
        a1 = -a;
        probed = a1;
    } while (probed < frame_size);
}

int main(void) {
    alpha_expand_prologue(10);
    return 0;
}