gcc/testsuite/gcc.dg/pr97567-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-evrp -fdisable-tree-ethread" } */
   3
   4 char a[2];
   5
   6 extern int x;
   7
   8 void foo(void);
   9
  10 signed char g (signed char min, signed char max)
  11 {
  12    signed char i = x;
  13    return i < min || max < i ? min : i;
  14 }
  15
  16 void gg (void)
  17 {
  18    signed char t = g (0, 9);
  19    /* Ranger should be able to remove the call to foo ().  */
  20    if (t > 9 || t < 0)
  21      foo ();
  22 }
  23
  24 /* { dg-final { scan-tree-dump-not "foo" "evrp" } }  */