C++ (Cpp) maybe_clean_or_replace_eh_stmt Examples

Example #1

File: gimple-iterator.c Project: hemantjain95/gcc

bool
gsi_replace (gimple_stmt_iterator *gsi, gimple *stmt, bool update_eh_info)
{
  gimple *orig_stmt = gsi_stmt (*gsi);
  bool require_eh_edge_purge = false;

  if (stmt == orig_stmt)
    return false;

  gcc_assert (!gimple_has_lhs (orig_stmt) || !gimple_has_lhs (stmt)
	      || gimple_get_lhs (orig_stmt) == gimple_get_lhs (stmt));

  gimple_set_location (stmt, gimple_location (orig_stmt));
  gimple_set_bb (stmt, gsi_bb (*gsi));

  /* Preserve EH region information from the original statement, if
     requested by the caller.  */
  if (update_eh_info)
    require_eh_edge_purge = maybe_clean_or_replace_eh_stmt (orig_stmt, stmt);

  gimple_duplicate_stmt_histograms (cfun, stmt, cfun, orig_stmt);

  /* Free all the data flow information for ORIG_STMT.  */
  gimple_set_bb (orig_stmt, NULL);
  gimple_remove_stmt_histograms (cfun, orig_stmt);
  delink_stmt_imm_use (orig_stmt);

  gsi_set_stmt (gsi, stmt);
  gimple_set_modified (stmt, true);
  update_modified_stmt (stmt);
  return require_eh_edge_purge;
}

Example #2

File: tree-ssa-forwprop.c Project: Scorpiion/Renux_cross_gcc

static void
tidy_after_forward_propagate_addr (gimple stmt)
{
  /* We may have turned a trapping insn into a non-trapping insn.  */
  if (maybe_clean_or_replace_eh_stmt (stmt, stmt)
      && gimple_purge_dead_eh_edges (gimple_bb (stmt)))
    cfg_changed = true;

  if (TREE_CODE (gimple_assign_rhs1 (stmt)) == ADDR_EXPR)
     recompute_tree_invariant_for_addr_expr (gimple_assign_rhs1 (stmt));
}

Example #3

File: tree-ssa-forwprop.c Project: AhmadTux/DragonFlyBSD

static void
tidy_after_forward_propagate_addr (tree stmt)
{
  mark_new_vars_to_rename (stmt);

  /* We may have turned a trapping insn into a non-trapping insn.  */
  if (maybe_clean_or_replace_eh_stmt (stmt, stmt)
      && tree_purge_dead_eh_edges (bb_for_stmt (stmt)))
    cfg_changed = true;

  if (TREE_CODE (TREE_OPERAND (stmt, 1)) == ADDR_EXPR)
     recompute_tree_invarant_for_addr_expr (TREE_OPERAND (stmt, 1));

  update_stmt (stmt);
}