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src/share/vm/c1/c1_Optimizer.hpp@f02a8bbe6ed4 (annotated)
src/share/vm/c1/c1_Optimizer.hpp
Tue, 29 Dec 2009 19:08:54 +0100
- author
- roland
- date
- Tue, 29 Dec 2009 19:08:54 +0100
- changeset 2174
- f02a8bbe6ed4
- parent 1907
- c18cbe5936b8
- child 2314
- f95d63e2154a
- permissions
- -rw-r--r--
6986046: C1 valuestack cleanup
Summary: fixes an historical oddity in C1 with inlining where all of the expression stacks are kept in the topmost ValueStack instead of being in their respective ValueStacks.
Reviewed-by: never
Contributed-by: Christian Wimmer <cwimmer@uci.edu>
| duke@435 | 1 | /* |
| trims@1907 | 2 | * Copyright (c) 1999, 2001, Oracle and/or its affiliates. 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 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| duke@435 | 25 | class Optimizer VALUE_OBJ_CLASS_SPEC { |
| duke@435 | 26 | private: |
| duke@435 | 27 | IR* _ir; |
| duke@435 | 28 | |
| duke@435 | 29 | public: |
| duke@435 | 30 | Optimizer(IR* ir); |
| duke@435 | 31 | IR* ir() const { return _ir; } |
| duke@435 | 32 | |
| duke@435 | 33 | // optimizations |
| duke@435 | 34 | void eliminate_conditional_expressions(); |
| duke@435 | 35 | void eliminate_blocks(); |
| duke@435 | 36 | void eliminate_null_checks(); |
| duke@435 | 37 | }; |
