Wed, 17 Sep 2008 12:59:52 -0700
6384206: Phis which are later unneeded are impairing our ability to inline based on static types
Reviewed-by: rasbold, jrose
duke@435 | 1 | /* |
duke@435 | 2 | * Copyright 1999-2001 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | // ciKlassKlass |
duke@435 | 26 | // |
duke@435 | 27 | // This class represents a klassOop in the HotSpot virtual machine |
duke@435 | 28 | // whose Klass part is a klassKlass or one of its subclasses |
duke@435 | 29 | // (instanceKlassKlass, objArrayKlassKlass, typeArrayKlassKlass). |
duke@435 | 30 | class ciKlassKlass : public ciKlass { |
duke@435 | 31 | CI_PACKAGE_ACCESS |
duke@435 | 32 | |
duke@435 | 33 | protected: |
duke@435 | 34 | ciKlassKlass(KlassHandle h_k) |
duke@435 | 35 | : ciKlass(h_k, ciSymbol::make("unique_klassKlass")) { |
duke@435 | 36 | assert(h_k()->klass_part()->oop_is_klass(), "wrong type"); |
duke@435 | 37 | } |
duke@435 | 38 | ciKlassKlass(KlassHandle h_k, ciSymbol *name) |
duke@435 | 39 | : ciKlass(h_k, name) {} |
duke@435 | 40 | |
duke@435 | 41 | klassKlass* get_klassKlass() { return (klassKlass*)get_Klass(); } |
duke@435 | 42 | |
duke@435 | 43 | const char* type_string() { return "ciKlassKlass"; } |
duke@435 | 44 | |
duke@435 | 45 | public: |
duke@435 | 46 | // What kind of ciObject is this? |
duke@435 | 47 | bool is_klass_klass() { return true; } |
duke@435 | 48 | |
duke@435 | 49 | // Return the distinguished ciKlassKlass instance. |
duke@435 | 50 | static ciKlassKlass* make(); |
duke@435 | 51 | }; |