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/* { dg-do run } */
/* { dg-additional-options "-fgimple" } */
/* PR tree-optimization/117363 */
/* a != 0 ? (signed)(((unsigned)a) - 1) : 0
Should not be transformed into doing the
plus in a signed type which could cause an overflow.` */
__attribute__((noinline))
signed __GIMPLE ()
test2 (int n)
{
unsigned t;
_Bool _4;
if (n_1(D) > 0) goto unreachable;
else goto normal;
normal:
t_2 = (unsigned)n_1(D);
t_3 = t_2 - 1u;
n_5 = (signed) t_3;
_4 = n_1(D) != 0;
n_6 = _4 ? n_5 : 0;
if (n_6 > 0) goto return1;
else goto trap;
return1:
return n_6;
unreachable:
__builtin_unreachable();
trap:
__builtin_trap ();
}
int main()
{
unsigned t = -__INT_MAX__ - 1;
test2(t);
}
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