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src/share/vm/opto/phase.hpp@710a3c8b516e (annotated)

src/share/vm/opto/phase.hpp

Tue, 08 Aug 2017 15:57:29 +0800

author

aoqi

date

Tue, 08 Aug 2017 15:57:29 +0800

changeset 6876

710a3c8b516e

parent 6503

a9becfeecd1b

parent 0

f90c822e73f8

child 7994

04ff2f6cd0eb

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*
aoqi@0	23	*/
aoqi@0	24
aoqi@0	25	#ifndef SHARE_VM_OPTO_PHASE_HPP
aoqi@0	26	#define SHARE_VM_OPTO_PHASE_HPP
aoqi@0	27
aoqi@0	28	#include "libadt/port.hpp"
aoqi@0	29	#include "runtime/timer.hpp"
aoqi@0	30
aoqi@0	31	class Compile;
aoqi@0	32
aoqi@0	33	//------------------------------Phase------------------------------------------
aoqi@0	34	// Most optimizations are done in Phases. Creating a phase does any long
aoqi@0	35	// running analysis required, and caches the analysis in internal data
aoqi@0	36	// structures. Later the analysis is queried using transform() calls to
aoqi@0	37	// guide transforming the program. When the Phase is deleted, so is any
aoqi@0	38	// cached analysis info. This basic Phase class mostly contains timing and
aoqi@0	39	// memory management code.
aoqi@0	40	class Phase : public StackObj {
aoqi@0	41	public:
aoqi@0	42	enum PhaseNumber {
aoqi@0	43	Compiler, // Top-level compiler phase
aoqi@0	44	Parser, // Parse bytecodes
aoqi@0	45	Remove_Useless, // Remove useless nodes
aoqi@0	46	Optimistic, // Optimistic analysis phase
aoqi@0	47	GVN, // Pessimistic global value numbering phase
aoqi@0	48	Ins_Select, // Instruction selection phase
aoqi@0	49	CFG, // Build a CFG
aoqi@0	50	BlockLayout, // Linear ordering of blocks
aoqi@0	51	Register_Allocation, // Register allocation, duh
aoqi@0	52	LIVE, // Dragon-book LIVE range problem
aoqi@0	53	StringOpts, // StringBuilder related optimizations
aoqi@0	54	Interference_Graph, // Building the IFG
aoqi@0	55	Coalesce, // Coalescing copies
aoqi@0	56	Ideal_Loop, // Find idealized trip-counted loops
aoqi@0	57	Macro_Expand, // Expand macro nodes
aoqi@0	58	Peephole, // Apply peephole optimizations
aoqi@0	59	last_phase
aoqi@0	60	};
aoqi@0	61	protected:
aoqi@0	62	enum PhaseNumber _pnum; // Phase number (for stat gathering)
aoqi@0	63
aoqi@0	64	#ifndef PRODUCT
aoqi@0	65	static int _total_bytes_compiled;
aoqi@0	66
aoqi@0	67	// accumulated timers
aoqi@0	68	static elapsedTimer _t_totalCompilation;
aoqi@0	69	static elapsedTimer _t_methodCompilation;
aoqi@0	70	static elapsedTimer _t_stubCompilation;
aoqi@0	71	#endif
aoqi@0	72
aoqi@0	73	// The next timers used for LogCompilation
aoqi@0	74	static elapsedTimer _t_parser;
aoqi@0	75	static elapsedTimer _t_optimizer;
aoqi@0	76	public:
aoqi@0	77	// ConnectionGraph can't be Phase since it is used after EA done.
aoqi@0	78	static elapsedTimer _t_escapeAnalysis;
aoqi@0	79	static elapsedTimer _t_connectionGraph;
aoqi@0	80	protected:
aoqi@0	81	static elapsedTimer _t_idealLoop;
aoqi@0	82	static elapsedTimer _t_ccp;
aoqi@0	83	static elapsedTimer _t_matcher;
aoqi@0	84	static elapsedTimer _t_registerAllocation;
aoqi@0	85	static elapsedTimer _t_output;
aoqi@0	86
aoqi@0	87	#ifndef PRODUCT
aoqi@0	88	static elapsedTimer _t_graphReshaping;
aoqi@0	89	static elapsedTimer _t_scheduler;
aoqi@0	90	static elapsedTimer _t_blockOrdering;
aoqi@0	91	static elapsedTimer _t_macroEliminate;
aoqi@0	92	static elapsedTimer _t_macroExpand;
aoqi@0	93	static elapsedTimer _t_peephole;
aoqi@0	94	static elapsedTimer _t_postalloc_expand;
aoqi@0	95	static elapsedTimer _t_codeGeneration;
aoqi@0	96	static elapsedTimer _t_registerMethod;
aoqi@0	97	static elapsedTimer _t_temporaryTimer1;
aoqi@0	98	static elapsedTimer _t_temporaryTimer2;
aoqi@0	99	static elapsedTimer _t_idealLoopVerify;
aoqi@0	100
aoqi@0	101	// Subtimers for _t_optimizer
aoqi@0	102	static elapsedTimer _t_iterGVN;
aoqi@0	103	static elapsedTimer _t_iterGVN2;
aoqi@0	104	static elapsedTimer _t_incrInline;
aoqi@0	105
aoqi@0	106	// Subtimers for _t_registerAllocation
aoqi@0	107	static elapsedTimer _t_ctorChaitin;
aoqi@0	108	static elapsedTimer _t_buildIFGphysical;
aoqi@0	109	static elapsedTimer _t_computeLive;
aoqi@0	110	static elapsedTimer _t_regAllocSplit;
aoqi@0	111	static elapsedTimer _t_postAllocCopyRemoval;
aoqi@0	112	static elapsedTimer _t_fixupSpills;
aoqi@0	113
aoqi@0	114	// Subtimers for _t_output
aoqi@0	115	static elapsedTimer _t_instrSched;
aoqi@0	116	static elapsedTimer _t_buildOopMaps;
aoqi@0	117	#endif
aoqi@0	118	public:
aoqi@0	119	Compile * C;
aoqi@0	120	Phase( PhaseNumber pnum );
aoqi@0	121	#ifndef PRODUCT
aoqi@0	122	static void print_timers();
aoqi@0	123	#endif
aoqi@0	124	};
aoqi@0	125
aoqi@0	126	#endif // SHARE_VM_OPTO_PHASE_HPP