static void cp_gimplify_init_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p) { tree from = TREE_OPERAND (*expr_p, 1); tree to = TREE_OPERAND (*expr_p, 0); tree t; tree slot = NULL_TREE; /* What about code that pulls out the temp and uses it elsewhere? I think that such code never uses the TARGET_EXPR as an initializer. If I'm wrong, we'll abort because the temp won't have any RTL. In that case, I guess we'll need to replace references somehow. */ if (TREE_CODE (from) == TARGET_EXPR) { slot = TARGET_EXPR_SLOT (from); from = TARGET_EXPR_INITIAL (from); } /* Look through any COMPOUND_EXPRs, since build_compound_expr pushes them inside the TARGET_EXPR. */ for (t = from; t; ) { tree sub = TREE_CODE (t) == COMPOUND_EXPR ? TREE_OPERAND (t, 0) : t; /* If we are initializing from an AGGR_INIT_EXPR, drop the INIT_EXPR and replace the slot operand with our target. Should we add a target parm to gimplify_expr instead? No, as in this case we want to replace the INIT_EXPR. */ if (TREE_CODE (sub) == AGGR_INIT_EXPR) { gimplify_expr (&to, pre_p, post_p, is_gimple_lvalue, fb_lvalue); AGGR_INIT_EXPR_SLOT (sub) = to; *expr_p = from; /* The initialization is now a side-effect, so the container can become void. */ if (from != sub) TREE_TYPE (from) = void_type_node; } if (t == sub) break; else t = TREE_OPERAND (t, 1); } }
bool cp_dump_tree (void* dump_info, tree t) { enum tree_code code; dump_info_p di = (dump_info_p) dump_info; /* Figure out what kind of node this is. */ code = TREE_CODE (t); if (DECL_P (t)) { if (DECL_LANG_SPECIFIC (t) && DECL_LANGUAGE (t) != lang_cplusplus) dump_string_field (di, "lang", language_to_string (DECL_LANGUAGE (t))); } switch (code) { case IDENTIFIER_NODE: if (IDENTIFIER_OPNAME_P (t)) { dump_string_field (di, "note", "operator"); return true; } else if (IDENTIFIER_TYPENAME_P (t)) { dump_child ("tynm", TREE_TYPE (t)); return true; } break; case OFFSET_TYPE: dump_string_field (di, "note", "ptrmem"); dump_child ("ptd", TYPE_PTRMEM_POINTED_TO_TYPE (t)); dump_child ("cls", TYPE_PTRMEM_CLASS_TYPE (t)); return true; case RECORD_TYPE: if (TYPE_PTRMEMFUNC_P (t)) { dump_string_field (di, "note", "ptrmem"); dump_child ("ptd", TYPE_PTRMEM_POINTED_TO_TYPE (t)); dump_child ("cls", TYPE_PTRMEM_CLASS_TYPE (t)); return true; } /* Fall through. */ case UNION_TYPE: /* Is it a type used as a base? */ if (TYPE_CONTEXT (t) && TREE_CODE (TYPE_CONTEXT (t)) == TREE_CODE (t) && CLASSTYPE_AS_BASE (TYPE_CONTEXT (t)) == t) { dump_child ("bfld", TYPE_CONTEXT (t)); return true; } if (! MAYBE_CLASS_TYPE_P (t)) break; dump_child ("vfld", TYPE_VFIELD (t)); if (CLASSTYPE_TEMPLATE_SPECIALIZATION(t)) dump_string(di, "spec"); if (!dump_flag (di, TDF_SLIM, t) && TYPE_BINFO (t)) { int i; tree binfo; tree base_binfo; for (binfo = TYPE_BINFO (t), i = 0; BINFO_BASE_ITERATE (binfo, i, base_binfo); ++i) { dump_child ("base", BINFO_TYPE (base_binfo)); if (BINFO_VIRTUAL_P (base_binfo)) dump_string_field (di, "spec", "virt"); dump_access (di, base_binfo); } } break; case FIELD_DECL: dump_access (di, t); if (DECL_MUTABLE_P (t)) dump_string_field (di, "spec", "mutable"); break; case VAR_DECL: if (TREE_CODE (CP_DECL_CONTEXT (t)) == RECORD_TYPE) dump_access (di, t); if (TREE_STATIC (t) && !TREE_PUBLIC (t)) dump_string_field (di, "link", "static"); break; case FUNCTION_DECL: if (!DECL_THUNK_P (t)) { if (DECL_OVERLOADED_OPERATOR_P (t)) { dump_string_field (di, "note", "operator"); dump_op (di, t); } if (DECL_FUNCTION_MEMBER_P (t)) { dump_string_field (di, "note", "member"); dump_access (di, t); } if (DECL_PURE_VIRTUAL_P (t)) dump_string_field (di, "spec", "pure"); if (DECL_VIRTUAL_P (t)) dump_string_field (di, "spec", "virt"); if (DECL_CONSTRUCTOR_P (t)) dump_string_field (di, "note", "constructor"); if (DECL_DESTRUCTOR_P (t)) dump_string_field (di, "note", "destructor"); if (DECL_CONV_FN_P (t)) dump_string_field (di, "note", "conversion"); if (DECL_GLOBAL_CTOR_P (t)) dump_string_field (di, "note", "global init"); if (DECL_GLOBAL_DTOR_P (t)) dump_string_field (di, "note", "global fini"); if (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (t)) dump_string_field (di, "note", "pseudo tmpl"); } else { tree virt = THUNK_VIRTUAL_OFFSET (t); dump_string_field (di, "note", "thunk"); if (DECL_THIS_THUNK_P (t)) dump_string_field (di, "note", "this adjusting"); else { dump_string_field (di, "note", "result adjusting"); if (virt) virt = BINFO_VPTR_FIELD (virt); } dump_int (di, "fixd", THUNK_FIXED_OFFSET (t)); if (virt) dump_int (di, "virt", tree_to_shwi (virt)); dump_child ("fn", DECL_INITIAL (t)); } break; case NAMESPACE_DECL: if (DECL_NAMESPACE_ALIAS (t)) dump_child ("alis", DECL_NAMESPACE_ALIAS (t)); else if (!dump_flag (di, TDF_SLIM, t)) dump_child ("dcls", cp_namespace_decls (t)); break; case TEMPLATE_DECL: dump_child ("rslt", DECL_TEMPLATE_RESULT (t)); dump_child ("inst", DECL_TEMPLATE_INSTANTIATIONS (t)); dump_child ("spcs", DECL_TEMPLATE_SPECIALIZATIONS (t)); dump_child ("prms", DECL_TEMPLATE_PARMS (t)); break; case OVERLOAD: dump_child ("crnt", OVL_CURRENT (t)); dump_child ("chan", OVL_CHAIN (t)); break; case TRY_BLOCK: dump_stmt (di, t); if (CLEANUP_P (t)) dump_string_field (di, "note", "cleanup"); dump_child ("body", TRY_STMTS (t)); dump_child ("hdlr", TRY_HANDLERS (t)); break; case EH_SPEC_BLOCK: dump_stmt (di, t); dump_child ("body", EH_SPEC_STMTS (t)); dump_child ("raises", EH_SPEC_RAISES (t)); break; case PTRMEM_CST: dump_child ("clas", PTRMEM_CST_CLASS (t)); dump_child ("mbr", PTRMEM_CST_MEMBER (t)); break; case THROW_EXPR: /* These nodes are unary, but do not have code class `1'. */ dump_child ("op 0", TREE_OPERAND (t, 0)); break; case AGGR_INIT_EXPR: { int i = 0; tree arg; aggr_init_expr_arg_iterator iter; dump_int (di, "ctor", AGGR_INIT_VIA_CTOR_P (t)); dump_child ("fn", AGGR_INIT_EXPR_FN (t)); FOR_EACH_AGGR_INIT_EXPR_ARG (arg, iter, t) { char buffer[32]; sprintf (buffer, "%u", i); dump_child (buffer, arg); i++; } dump_child ("decl", AGGR_INIT_EXPR_SLOT (t)); } break; case HANDLER: dump_stmt (di, t); dump_child ("parm", HANDLER_PARMS (t)); dump_child ("body", HANDLER_BODY (t)); break; case MUST_NOT_THROW_EXPR: dump_stmt (di, t); dump_child ("body", TREE_OPERAND (t, 0)); dump_child ("cond", MUST_NOT_THROW_COND (t)); break; case USING_STMT: dump_stmt (di, t); dump_child ("nmsp", USING_STMT_NAMESPACE (t)); break; case CLEANUP_STMT: dump_stmt (di, t); dump_child ("decl", CLEANUP_DECL (t)); dump_child ("expr", CLEANUP_EXPR (t)); dump_child ("body", CLEANUP_BODY (t)); break; case IF_STMT: dump_stmt (di, t); dump_child ("cond", IF_COND (t)); dump_child ("then", THEN_CLAUSE (t)); dump_child ("else", ELSE_CLAUSE (t)); break; case BREAK_STMT: case CONTINUE_STMT: dump_stmt (di, t); break; case DO_STMT: dump_stmt (di, t); dump_child ("body", DO_BODY (t)); dump_child ("cond", DO_COND (t)); break; case FOR_STMT: dump_stmt (di, t); dump_child ("init", FOR_INIT_STMT (t)); dump_child ("cond", FOR_COND (t)); dump_child ("expr", FOR_EXPR (t)); dump_child ("body", FOR_BODY (t)); break; case RANGE_FOR_STMT: dump_stmt (di, t); dump_child ("decl", RANGE_FOR_DECL (t)); dump_child ("expr", RANGE_FOR_EXPR (t)); dump_child ("body", RANGE_FOR_BODY (t)); break; case SWITCH_STMT: dump_stmt (di, t); dump_child ("cond", SWITCH_STMT_COND (t)); dump_child ("body", SWITCH_STMT_BODY (t)); break; case WHILE_STMT: dump_stmt (di, t); dump_child ("cond", WHILE_COND (t)); dump_child ("body", WHILE_BODY (t)); break; case STMT_EXPR: dump_child ("stmt", STMT_EXPR_STMT (t)); break; case EXPR_STMT: dump_stmt (di, t); dump_child ("expr", EXPR_STMT_EXPR (t)); break; default: break; }