rt_gccstream/gcc/testsuite/gcc.dg/tree-ssa/struct-aliasing-1.c

16 lines
331 B
C

/* { dg-do "compile" } */
/* { dg-options "-O2 -fdump-tree-fre" } */
struct S { float f; };
int __attribute__((noinline))
foo (float *r, struct S *p)
{
int *q = (int *)&p->f;
int i = *q;
*r = 0.0;
return i + *q;
}
/* { dg-final { scan-tree-dump-times "\\\*q" 1 "fre" } } */
/* { dg-final { cleanup-tree-dump "fre" } } */