Mercurial > hg > truffle
view src/share/vm/opto/phase.hpp @ 8331:1f1c33c860a1
Enable convert deopts to guards optimization.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Sun, 17 Mar 2013 21:27:09 +0100 |
parents | ee138854b3a6 |
children | 6f3fd5150b67 |
line wrap: on
line source
/* * Copyright (c) 1997, 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_OPTO_PHASE_HPP #define SHARE_VM_OPTO_PHASE_HPP #include "libadt/port.hpp" #include "runtime/timer.hpp" class Compile; //------------------------------Phase------------------------------------------ // Most optimizations are done in Phases. Creating a phase does any long // running analysis required, and caches the analysis in internal data // structures. Later the analysis is queried using transform() calls to // guide transforming the program. When the Phase is deleted, so is any // cached analysis info. This basic Phase class mostly contains timing and // memory management code. class Phase : public StackObj { public: enum PhaseNumber { Compiler, // Top-level compiler phase Parser, // Parse bytecodes Remove_Useless, // Remove useless nodes Optimistic, // Optimistic analysis phase GVN, // Pessimistic global value numbering phase Ins_Select, // Instruction selection phase CFG, // Build a CFG BlockLayout, // Linear ordering of blocks Register_Allocation, // Register allocation, duh LIVE, // Dragon-book LIVE range problem StringOpts, // StringBuilder related optimizations Interference_Graph, // Building the IFG Coalesce, // Coalescing copies Ideal_Loop, // Find idealized trip-counted loops Macro_Expand, // Expand macro nodes Peephole, // Apply peephole optimizations last_phase }; protected: enum PhaseNumber _pnum; // Phase number (for stat gathering) #ifndef PRODUCT static int _total_bytes_compiled; // accumulated timers static elapsedTimer _t_totalCompilation; static elapsedTimer _t_methodCompilation; static elapsedTimer _t_stubCompilation; #endif // The next timers used for LogCompilation static elapsedTimer _t_parser; static elapsedTimer _t_optimizer; public: // ConnectionGraph can't be Phase since it is used after EA done. static elapsedTimer _t_escapeAnalysis; static elapsedTimer _t_connectionGraph; protected: static elapsedTimer _t_idealLoop; static elapsedTimer _t_ccp; static elapsedTimer _t_matcher; static elapsedTimer _t_registerAllocation; static elapsedTimer _t_output; #ifndef PRODUCT static elapsedTimer _t_graphReshaping; static elapsedTimer _t_scheduler; static elapsedTimer _t_blockOrdering; static elapsedTimer _t_macroEliminate; static elapsedTimer _t_macroExpand; static elapsedTimer _t_peephole; static elapsedTimer _t_codeGeneration; static elapsedTimer _t_registerMethod; static elapsedTimer _t_temporaryTimer1; static elapsedTimer _t_temporaryTimer2; static elapsedTimer _t_idealLoopVerify; // Subtimers for _t_optimizer static elapsedTimer _t_iterGVN; static elapsedTimer _t_iterGVN2; // Subtimers for _t_registerAllocation static elapsedTimer _t_ctorChaitin; static elapsedTimer _t_buildIFGphysical; static elapsedTimer _t_computeLive; static elapsedTimer _t_regAllocSplit; static elapsedTimer _t_postAllocCopyRemoval; static elapsedTimer _t_fixupSpills; // Subtimers for _t_output static elapsedTimer _t_instrSched; static elapsedTimer _t_buildOopMaps; #endif public: Compile * C; Phase( PhaseNumber pnum ); #ifndef PRODUCT static void print_timers(); #endif }; #endif // SHARE_VM_OPTO_PHASE_HPP