Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/alias-31.c @ 158:494b0b89df80 default tip
...
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
---|---|
date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
children |
line wrap: on
line source
/* { dg-do compile } */ /* { dg-options "-O2 -fno-tree-sra -fdump-tree-cddce1" } */ extern int posix_memalign(void **memptr, __SIZE_TYPE__ alignment, __SIZE_TYPE__ size); int foo (float *p) { int res = *p; struct { void *q1; void *q2; } q; if (posix_memalign (&q.q1, 128, 128 * sizeof (int)) != 0) return 0; if (posix_memalign (&q.q2, 128, 128 * sizeof (int)) != 0) return 0; *((int *)q.q1) = 1; *((int *)q.q2) = 2; return res + *p + *((int *)q.q1) + *((int *)q.q2); } /* There should be only one load from *p left. All stores and all other loads should be removed. */ /* { dg-final { scan-tree-dump-times "\\\*\[^ \]" 1 "cddce1" } } */