gcc/gcc/testsuite/gcc.dg/tree-ssa/scev-3.c

44 lines
561 B
C

/* { dg-do compile } */
/* { dg-options "-O2 -fgimple -fdump-tree-ivopts" } */
int *a_p;
int a[1000];
void __GIMPLE (startwith ("loop"))
f (int k)
{
int i;
int * _1;
bb_2:
i_5 = k_4(D);
if (i_5 <= 999)
goto bb_4;
else
goto bb_3;
bb_3:
return;
bb_4:
;
bb_5:
i_12 = __PHI (bb_6: i_9, bb_4: i_5);
_1 = &a[i_12];
a_p = _1;
__MEM <int[1000]> ((int *)&a)[i_12] = 100;
i_9 = i_5 + i_12;
if (i_9 <= 999)
goto bb_6;
else
goto bb_3;
bb_6:
;
goto bb_5;
}
/* { dg-final { scan-tree-dump-times "&a" 1 "ivopts" } } */