gcc/testsuite/gcc.dg/pr70920-4.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-ccp-details -Wno-int-to-pointer-cast" } */
   3
   4 #include <stdint.h>
   5
   6 void f1();
   7 void f2();
   8
   9 void
  10 foo (int a)
  11 {
  12   void *cst = 0;
  13   if ((int *) a == cst)
  14     {
  15       f1 ();
  16       if (a)
  17         f2 ();
  18     }
  19 }
  20
  21 /* { dg-final { scan-tree-dump "gimple_simplified to if \\(_\[0-9\]* == 0\\)" "ccp1" } } */