rt_gccstream/gcc/testsuite/gcc.dg/tree-ssa/forwprop-12.c

23 lines
560 B
C

/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-forwprop1" } */
struct X { int a[256]; };
int foo(struct X *p, __SIZE_TYPE__ i)
{
int *q = &p->a[0];
int *q2 = (int *)((void *)q + i*4 + 32);
return *q2;
}
int bar(struct X *p, int i)
{
return *((int *)p + i + 8);
}
/* We should have propagated the base array address through the
address arithmetic into the memory access as an array access. */
/* { dg-final { scan-tree-dump-times "->a\\\[D\\\." 2 "forwprop1" { xfail *-*-* } } } */
/* { dg-final { cleanup-tree-dump "forwprop1" } } */