gcc/testsuite/gcc.dg/pr96674.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O -fdump-tree-optimized -fwrapv" } */
   3
   4 #include <limits.h>
   5 #include <stdbool.h>
   6
   7 bool __attribute__ ((noipa)) test1 (unsigned a, unsigned b)
   8 {
   9     return (b == 0) | (a < b);
  10 }
  11
  12 bool __attribute__ ((noipa)) test2 (int a, int b)
  13 {
  14     return (b == INT_MIN) | (a < b);
  15 }
  16
  17 bool __attribute__ ((noipa)) test3 (unsigned a, unsigned b)
  18 {
  19     return (b != 0) & (a >= b);
  20 }
  21
  22 bool __attribute__ ((noipa)) test4 (int a, int b)
  23 {
  24     return (b != INT_MIN) & (a >= b);
  25 }
  26
  27 int main()
  28 {
  29     if (!test1 (1, 0) || !test1 (1, 2) || test1 (2, 1) ||
  30         !test2 (1, INT_MIN) || !test2 (1, 2) || test2 (2, 1) ||
  31         test3 (1, 0) || test3 (1, 2) || !test3 (2, 1) ||
  32         test4 (1, INT_MIN) || test4 (1, 2) || !test4 (2, 1)) {
  33         __builtin_abort();
  34     }
  35
  36     return 0;
  37 }
  38
  39 /* { dg-final { scan-tree-dump-times "\\+ 4294967295;" 2 "optimized" } } */
  40 /* { dg-final { scan-tree-dump-times "\\+ -1;" 2 "optimized" } } */