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src/share/vm/opto/phase.hpp@fd13a567f179 (annotated)

src/share/vm/opto/phase.hpp

Thu, 24 May 2018 19:26:50 +0800

author

aoqi

date

Thu, 24 May 2018 19:26:50 +0800

changeset 8862

fd13a567f179

parent 8604

04d83ba48607

permissions

-rw-r--r--

#7046 C2 supports long branch
Contributed-by: fujie

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 {
zmajo@8193	43	Compiler, // Top-level compiler phase
zmajo@8193	44	Parser, // Parse bytecodes
zmajo@8193	45	Remove_Useless, // Remove useless nodes
zmajo@8193	46	Remove_Useless_And_Renumber_Live, // First, remove useless nodes from the graph. Then, renumber live nodes.
zmajo@8193	47	Optimistic, // Optimistic analysis phase
zmajo@8193	48	GVN, // Pessimistic global value numbering phase
zmajo@8193	49	Ins_Select, // Instruction selection phase
zmajo@8193	50	CFG, // Build a CFG
zmajo@8193	51	BlockLayout, // Linear ordering of blocks
zmajo@8193	52	Register_Allocation, // Register allocation, duh
zmajo@8193	53	LIVE, // Dragon-book LIVE range problem
zmajo@8193	54	StringOpts, // StringBuilder related optimizations
zmajo@8193	55	Interference_Graph, // Building the IFG
zmajo@8193	56	Coalesce, // Coalescing copies
zmajo@8193	57	Ideal_Loop, // Find idealized trip-counted loops
zmajo@8193	58	Macro_Expand, // Expand macro nodes
zmajo@8193	59	Peephole, // Apply peephole optimizations
aoqi@0	60	last_phase
aoqi@0	61	};
aoqi@0	62	protected:
aoqi@0	63	enum PhaseNumber _pnum; // Phase number (for stat gathering)
aoqi@0	64
aoqi@0	65	#ifndef PRODUCT
aoqi@0	66	static int _total_bytes_compiled;
aoqi@0	67
aoqi@0	68	// accumulated timers
aoqi@0	69	static elapsedTimer _t_totalCompilation;
aoqi@0	70	static elapsedTimer _t_methodCompilation;
aoqi@0	71	static elapsedTimer _t_stubCompilation;
aoqi@0	72	#endif
aoqi@0	73
aoqi@0	74	// The next timers used for LogCompilation
aoqi@0	75	static elapsedTimer _t_parser;
aoqi@0	76	static elapsedTimer _t_optimizer;
aoqi@0	77	public:
aoqi@0	78	// ConnectionGraph can't be Phase since it is used after EA done.
aoqi@0	79	static elapsedTimer _t_escapeAnalysis;
aoqi@0	80	static elapsedTimer _t_connectionGraph;
aoqi@0	81	protected:
aoqi@0	82	static elapsedTimer _t_idealLoop;
aoqi@0	83	static elapsedTimer _t_ccp;
aoqi@0	84	static elapsedTimer _t_matcher;
aoqi@0	85	static elapsedTimer _t_registerAllocation;
aoqi@0	86	static elapsedTimer _t_output;
aoqi@0	87
aoqi@0	88	#ifndef PRODUCT
aoqi@0	89	static elapsedTimer _t_graphReshaping;
aoqi@0	90	static elapsedTimer _t_scheduler;
aoqi@0	91	static elapsedTimer _t_blockOrdering;
aoqi@0	92	static elapsedTimer _t_macroEliminate;
aoqi@0	93	static elapsedTimer _t_macroExpand;
aoqi@0	94	static elapsedTimer _t_peephole;
aoqi@0	95	static elapsedTimer _t_postalloc_expand;
aoqi@0	96	static elapsedTimer _t_codeGeneration;
aoqi@0	97	static elapsedTimer _t_registerMethod;
aoqi@0	98	static elapsedTimer _t_temporaryTimer1;
aoqi@0	99	static elapsedTimer _t_temporaryTimer2;
aoqi@0	100	static elapsedTimer _t_idealLoopVerify;
aoqi@0	101
aoqi@0	102	// Subtimers for _t_optimizer
aoqi@0	103	static elapsedTimer _t_iterGVN;
aoqi@0	104	static elapsedTimer _t_iterGVN2;
aoqi@0	105	static elapsedTimer _t_incrInline;
zmajo@8193	106	static elapsedTimer _t_renumberLive;
aoqi@0	107
aoqi@0	108	// Subtimers for _t_registerAllocation
aoqi@0	109	static elapsedTimer _t_ctorChaitin;
aoqi@0	110	static elapsedTimer _t_buildIFGphysical;
aoqi@0	111	static elapsedTimer _t_computeLive;
aoqi@0	112	static elapsedTimer _t_regAllocSplit;
aoqi@0	113	static elapsedTimer _t_postAllocCopyRemoval;
iveresov@7564	114	static elapsedTimer _t_mergeMultidefs;
aoqi@0	115	static elapsedTimer _t_fixupSpills;
aoqi@0	116
aoqi@0	117	// Subtimers for _t_output
aoqi@0	118	static elapsedTimer _t_instrSched;
aoqi@0	119	static elapsedTimer _t_buildOopMaps;
aoqi@0	120	#endif
aoqi@0	121	public:
aoqi@0	122	Compile * C;
aoqi@0	123	Phase( PhaseNumber pnum );
aoqi@0	124	#ifndef PRODUCT
aoqi@0	125	static void print_timers();
aoqi@0	126	#endif
aoqi@0	127	};
aoqi@0	128
aoqi@0	129	#endif // SHARE_VM_OPTO_PHASE_HPP