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src/share/vm/opto/phase.hpp@9df0d8f65fea (annotated)

src/share/vm/opto/phase.hpp

Tue, 20 Jan 2015 13:56:02 -0800

author

iveresov

date

Tue, 20 Jan 2015 13:56:02 -0800

changeset 7564

9df0d8f65fea

parent 6503

a9becfeecd1b

child 7994

04ff2f6cd0eb

child 8193

70649f10b88c

permissions

-rw-r--r--

8068881: SIGBUS in C2 compiled method weblogic.wsee.jaxws.framework.jaxrpc.EnvironmentFactory$SimulatedWsdlDefinitions.<init>
Summary: Use MachMerge to hook together defs of the same multidef value in a block
Reviewed-by: kvn, vlivanov

duke@435	1	/*
mikael@6198	2	* Copyright (c) 1997, 2013, 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
stefank@2314	25	#ifndef SHARE_VM_OPTO_PHASE_HPP
stefank@2314	26	#define SHARE_VM_OPTO_PHASE_HPP
stefank@2314	27
stefank@2314	28	#include "libadt/port.hpp"
stefank@2314	29	#include "runtime/timer.hpp"
stefank@2314	30
duke@435	31	class Compile;
duke@435	32
duke@435	33	//------------------------------Phase------------------------------------------
duke@435	34	// Most optimizations are done in Phases. Creating a phase does any long
duke@435	35	// running analysis required, and caches the analysis in internal data
duke@435	36	// structures. Later the analysis is queried using transform() calls to
duke@435	37	// guide transforming the program. When the Phase is deleted, so is any
duke@435	38	// cached analysis info. This basic Phase class mostly contains timing and
duke@435	39	// memory management code.
duke@435	40	class Phase : public StackObj {
duke@435	41	public:
duke@435	42	enum PhaseNumber {
duke@435	43	Compiler, // Top-level compiler phase
duke@435	44	Parser, // Parse bytecodes
duke@435	45	Remove_Useless, // Remove useless nodes
duke@435	46	Optimistic, // Optimistic analysis phase
duke@435	47	GVN, // Pessimistic global value numbering phase
duke@435	48	Ins_Select, // Instruction selection phase
duke@435	49	CFG, // Build a CFG
rasbold@853	50	BlockLayout, // Linear ordering of blocks
duke@435	51	Register_Allocation, // Register allocation, duh
duke@435	52	LIVE, // Dragon-book LIVE range problem
never@1515	53	StringOpts, // StringBuilder related optimizations
duke@435	54	Interference_Graph, // Building the IFG
duke@435	55	Coalesce, // Coalescing copies
duke@435	56	Ideal_Loop, // Find idealized trip-counted loops
duke@435	57	Macro_Expand, // Expand macro nodes
duke@435	58	Peephole, // Apply peephole optimizations
duke@435	59	last_phase
duke@435	60	};
duke@435	61	protected:
duke@435	62	enum PhaseNumber _pnum; // Phase number (for stat gathering)
duke@435	63
duke@435	64	#ifndef PRODUCT
duke@435	65	static int _total_bytes_compiled;
duke@435	66
duke@435	67	// accumulated timers
duke@435	68	static elapsedTimer _t_totalCompilation;
duke@435	69	static elapsedTimer _t_methodCompilation;
duke@435	70	static elapsedTimer _t_stubCompilation;
duke@435	71	#endif
duke@435	72
duke@435	73	// The next timers used for LogCompilation
duke@435	74	static elapsedTimer _t_parser;
duke@435	75	static elapsedTimer _t_optimizer;
kvn@3651	76	public:
kvn@3651	77	// ConnectionGraph can't be Phase since it is used after EA done.
kvn@3651	78	static elapsedTimer _t_escapeAnalysis;
kvn@3651	79	static elapsedTimer _t_connectionGraph;
kvn@3651	80	protected:
duke@435	81	static elapsedTimer _t_idealLoop;
duke@435	82	static elapsedTimer _t_ccp;
duke@435	83	static elapsedTimer _t_matcher;
duke@435	84	static elapsedTimer _t_registerAllocation;
duke@435	85	static elapsedTimer _t_output;
duke@435	86
duke@435	87	#ifndef PRODUCT
duke@435	88	static elapsedTimer _t_graphReshaping;
duke@435	89	static elapsedTimer _t_scheduler;
rasbold@853	90	static elapsedTimer _t_blockOrdering;
kvn@3651	91	static elapsedTimer _t_macroEliminate;
duke@435	92	static elapsedTimer _t_macroExpand;
duke@435	93	static elapsedTimer _t_peephole;
goetz@6478	94	static elapsedTimer _t_postalloc_expand;
duke@435	95	static elapsedTimer _t_codeGeneration;
duke@435	96	static elapsedTimer _t_registerMethod;
duke@435	97	static elapsedTimer _t_temporaryTimer1;
duke@435	98	static elapsedTimer _t_temporaryTimer2;
never@1356	99	static elapsedTimer _t_idealLoopVerify;
duke@435	100
duke@435	101	// Subtimers for _t_optimizer
duke@435	102	static elapsedTimer _t_iterGVN;
duke@435	103	static elapsedTimer _t_iterGVN2;
kvn@5110	104	static elapsedTimer _t_incrInline;
duke@435	105
duke@435	106	// Subtimers for _t_registerAllocation
duke@435	107	static elapsedTimer _t_ctorChaitin;
duke@435	108	static elapsedTimer _t_buildIFGphysical;
duke@435	109	static elapsedTimer _t_computeLive;
duke@435	110	static elapsedTimer _t_regAllocSplit;
duke@435	111	static elapsedTimer _t_postAllocCopyRemoval;
iveresov@7564	112	static elapsedTimer _t_mergeMultidefs;
duke@435	113	static elapsedTimer _t_fixupSpills;
duke@435	114
duke@435	115	// Subtimers for _t_output
duke@435	116	static elapsedTimer _t_instrSched;
duke@435	117	static elapsedTimer _t_buildOopMaps;
duke@435	118	#endif
duke@435	119	public:
duke@435	120	Compile * C;
duke@435	121	Phase( PhaseNumber pnum );
duke@435	122	#ifndef PRODUCT
duke@435	123	static void print_timers();
duke@435	124	#endif
duke@435	125	};
stefank@2314	126
stefank@2314	127	#endif // SHARE_VM_OPTO_PHASE_HPP