C++ (Cpp) gimple_init_edge_profiler Exemples

Exemple #1

Fichier : tree-profile.c Projet : AlexMioMio/gcc

void
gimple_gen_ic_func_profiler (void)
{
  struct cgraph_node * c_node = cgraph_node::get (current_function_decl);
  gimple_stmt_iterator gsi;
  gcall *stmt1;
  gassign *stmt2;
  tree tree_uid, cur_func, void0;

  if (c_node->only_called_directly_p ())
    return;

  gimple_init_edge_profiler ();

  /* Insert code:

    stmt1: __gcov_indirect_call_profiler_v2 (profile_id,
					     &current_function_decl)
   */
  gsi = gsi_after_labels (split_edge (single_succ_edge (ENTRY_BLOCK_PTR_FOR_FN (cfun))));

  cur_func = force_gimple_operand_gsi (&gsi,
				       build_addr (current_function_decl,
						   current_function_decl),
				       true, NULL_TREE,
				       true, GSI_SAME_STMT);
  tree_uid = build_int_cst
	      (gcov_type_node, cgraph_node::get (current_function_decl)->profile_id);
  /* Workaround for binutils bug 14342.  Once it is fixed, remove lto path.  */
  if (flag_lto)
    {
      tree counter_ptr, ptr_var;
      counter_ptr = force_gimple_operand_gsi (&gsi, ic_gcov_type_ptr_var,
					      true, NULL_TREE, true,
					      GSI_SAME_STMT);
      ptr_var = force_gimple_operand_gsi (&gsi, ic_void_ptr_var,
					  true, NULL_TREE, true,
					  GSI_SAME_STMT);

      stmt1 = gimple_build_call (tree_indirect_call_profiler_fn, 4,
				 counter_ptr, tree_uid, cur_func, ptr_var);
    }
  else
    {
      stmt1 = gimple_build_call (tree_indirect_call_profiler_fn, 2,
				 tree_uid, cur_func);
    }
  gsi_insert_before (&gsi, stmt1, GSI_SAME_STMT);

  /* Set __gcov_indirect_call_callee to 0,
     so that calls from other modules won't get misattributed
     to the last caller of the current callee. */
  void0 = build_int_cst (build_pointer_type (void_type_node), 0);
  stmt2 = gimple_build_assign (ic_void_ptr_var, void0);
  gsi_insert_before (&gsi, stmt2, GSI_SAME_STMT);
}

Exemple #2

Fichier : tree-profile.c Projet : MaddTheSane/haiku-buildtools

void
gimple_gen_ic_func_profiler (void)
{
  struct cgraph_node * c_node = cgraph_get_node (current_function_decl);
  gimple_stmt_iterator gsi;
  gimple stmt1, stmt2;
  tree tree_uid, cur_func, counter_ptr, ptr_var, void0;

  if (cgraph_only_called_directly_p (c_node))
    return;

  gimple_init_edge_profiler ();

  /* Insert code:

    stmt1: __gcov_indirect_call_profiler (__gcov_indirect_call_counters,
					  current_function_funcdef_no,
					  &current_function_decl,
					  __gcov_indirect_call_callee);
   */
  gsi = gsi_after_labels (single_succ (ENTRY_BLOCK_PTR));

  cur_func = force_gimple_operand_gsi (&gsi,
				       build_addr (current_function_decl,
						   current_function_decl),
				       true, NULL_TREE,
				       true, GSI_SAME_STMT);
  counter_ptr = force_gimple_operand_gsi (&gsi, ic_gcov_type_ptr_var,
					  true, NULL_TREE, true,
					  GSI_SAME_STMT);
  ptr_var = force_gimple_operand_gsi (&gsi, ic_void_ptr_var,
				      true, NULL_TREE, true,
				      GSI_SAME_STMT);
  tree_uid = build_int_cst (gcov_type_node, current_function_funcdef_no);
  stmt1 = gimple_build_call (tree_indirect_call_profiler_fn, 4,
			     counter_ptr, tree_uid, cur_func, ptr_var);
  gsi_insert_before (&gsi, stmt1, GSI_SAME_STMT);

  /* Set __gcov_indirect_call_callee to 0,
     so that calls from other modules won't get misattributed
     to the last caller of the current callee. */
  void0 = build_int_cst (build_pointer_type (void_type_node), 0);
  stmt2 = gimple_build_assign (ic_void_ptr_var, void0);
  gsi_insert_before (&gsi, stmt2, GSI_SAME_STMT);
}