6384206: Phis which are later unneeded are impairing our ability to inline based on static types
Reviewed-by: rasbold, jrose
/*
* Copyright 1999-2001 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
// ciSymbol
//
// This class represents a symbolOop in the HotSpot virtual
// machine.
class ciSymbol : public ciObject {
CI_PACKAGE_ACCESS
friend class ciEnv;
friend class ciInstanceKlass;
friend class ciSignature;
friend class ciMethod;
friend class ciObjArrayKlass;
private:
ciSymbol(symbolOop s) : ciObject(s) {}
ciSymbol(symbolHandle s); // for use with vmSymbolHandles
symbolOop get_symbolOop() { return (symbolOop)get_oop(); }
const char* type_string() { return "ciSymbol"; }
void print_impl(outputStream* st);
int byte_at(int i);
jbyte* base();
// Make a ciSymbol from a C string (implementation).
static ciSymbol* make_impl(const char* s);
public:
// The text of the symbol as a null-terminated utf8 string.
const char* as_utf8();
int utf8_length();
// What kind of ciObject is this?
bool is_symbol() { return true; }
void print_symbol_on(outputStream* st);
void print_symbol() {
print_symbol_on(tty);
}
// Make a ciSymbol from a C string.
// Consider adding to vmSymbols.hpp instead of using this constructor.
// (Your code will be less subject to typographical bugs.)
static ciSymbol* make(const char* s);
#define CI_SYMBOL_DECLARE(name, ignore_def) \
static ciSymbol* name() { return ciObjectFactory::vm_symbol_at(vmSymbols::VM_SYMBOL_ENUM_NAME(name)); }
VM_SYMBOLS_DO(CI_SYMBOL_DECLARE, CI_SYMBOL_DECLARE)
#undef CI_SYMBOL_DECLARE
};