gcc/testsuite/gcc.dg/tree-ssa/cmp-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-gimple -fdump-tree-optimized" } */
   3
   4 int f(int a){
   5   int b = -__INT_MAX__-1;
   6   a &= b;
   7   return a == b;
   8 }
   9 int g(int x){
  10     x = x < 0 ? -x : x;
  11     return x == 0;
  12 }
  13
  14 /* This should work even if int is not 32 bits, it is just not meaningful in
  15    that case.  */
  16 /* { dg-final { scan-tree-dump-not "-2147483648" "optimized"} } */
  17 /* { dg-final { scan-tree-dump " < 0" "optimized"} } */
  18 /* { dg-final { scan-tree-dump "ABS_EXPR" "gimple"} } */
  19 /* { dg-final { scan-tree-dump-not "ABS_EXPR" "optimized"} } */