gcc/testsuite/gcc.dg/pr96695-1.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 > y */
   9   return x > y && x != 0;
  10 }
  11
  12 _Bool and2(unsigned *x, unsigned *y)
  13 {
  14   /* x < y && x != -1 --> x < y */
  15   return x < y && x != (unsigned*)-1;
  16 }
  17
  18 /* { dg-final { scan-tree-dump-not " != " "ifcombine" } } */