diff -r 000000000000 -r f90c822e73f8 src/share/vm/opto/phase.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/opto/phase.hpp Wed Apr 27 01:25:04 2016 +0800 @@ -0,0 +1,126 @@ +/* + * Copyright (c) 1997, 2013, 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_postalloc_expand; + 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; + static elapsedTimer _t_incrInline; + +// 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