gcc/testsuite/gcc.dg/pr96695-5.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-ifcombine" } */
   3
   4 #include <limits.h>
   5
   6 _Bool and1(unsigned *x, unsigned *y)
   7 {
   8   /* x <= y && x == 0 --> x == 0 */
   9   return x <= y && x == 0;
  10 }
  11
  12 _Bool and2(unsigned *x, unsigned *y)
  13 {
  14   /* x >= y && x == -1 --> x == -1 */
  15   return x >= y && x == (unsigned*)-1;
  16 }
  17
  18 /* { dg-final { scan-tree-dump-not " <= " "ifcombine" } } */
  19 /* { dg-final { scan-tree-dump-not " >= " "ifcombine" } } */