gcc/testsuite/gcc.dg/tree-ssa/pr64130.c

   1
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-evrp" } */
   4
   5 __extension__ typedef __UINT32_TYPE__ uint32_t;
   6
   7 int funsigned (uint32_t a)
   8 {
   9   return 0x1ffffffffL / a == 0;
  10 }
  11
  12 int funsigned2 (uint32_t a)
  13 {
  14   if (a < 1) return 1;
  15   return (-1 * 0x1ffffffffL) / a == 0;
  16 }
  17
  18 /* { dg-final { scan-tree-dump ": \\\[2, 8589934591\\\]" "evrp" } } */
  19 /* { dg-final { scan-tree-dump ": \\\[-8589934591, -2\\\]" "evrp" } } */
  20