gcc/testsuite/gcc.dg/torture/ssa-fre-1.c

   1 /* { dg-do compile } */
   2 /* { dg-skip-if "" { *-*-* } { "-O0" } { "" } } */
   3 /* { dg-additional-options "-fstrict-aliasing -fdump-tree-fre1" } */
   4
   5 float f;
   6 int foo(int *p, int *q)
   7 {
   8   *p = 0;
   9   if (*p)
  10     *q = 1;
  11   else
  12     f = 8.0f;
  13   return *p;
  14 }
  15
  16 /* { dg-final { scan-tree-dump "return 0;" "fre1" } } */