gcc/testsuite/gcc.dg/tree-ssa/pr83648.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-local-pure-const-details -fdelete-null-pointer-checks" } */
   3 /* { dg-skip-if "" keeps_null_pointer_checks } */
   4
   5 void *g(unsigned n)
   6 {
   7   return n ? __builtin_malloc (n) : 0;
   8 }
   9
  10 void *h()
  11 {
  12   return 0;
  13 }
  14
  15 /* { dg-final { scan-tree-dump "Function found to be malloc: g" "local-pure-const1" } } */
  16 /* { dg-final { scan-tree-dump-not "Function found to be malloc: h" "local-pure-const1" } } */