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

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target lp64 } */
   3 /* { dg-options "-O2 -fdump-tree-ccp1 -Wno-int-to-pointer-cast" } */
   4
   5 #include <stdint.h>
   6
   7 void f1();
   8 void f2();
   9
  10 void
  11 foo (int a)
  12 {
  13   void *cst = 0;
  14   if ((int *) a == cst)
  15     {
  16       f1 ();
  17       if (a)
  18         f2 ();
  19     }
  20 }
  21
  22 /* { dg-final { scan-tree-dump "if \\(a_\[0-9\]*\\(D\\) == 0\\)" "ccp1" } } */