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Issue 15533004: Liveness analysis for environment slots in Hydrogen (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: addressed comments Created 7 years, 6 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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244 "deoptimize every n garbage collections") 244 "deoptimize every n garbage collections")
245 DEFINE_bool(trap_on_deopt, false, "put a break point before deoptimizing") 245 DEFINE_bool(trap_on_deopt, false, "put a break point before deoptimizing")
246 DEFINE_bool(deoptimize_uncommon_cases, true, "deoptimize uncommon cases") 246 DEFINE_bool(deoptimize_uncommon_cases, true, "deoptimize uncommon cases")
247 DEFINE_bool(polymorphic_inlining, true, "polymorphic inlining") 247 DEFINE_bool(polymorphic_inlining, true, "polymorphic inlining")
248 DEFINE_bool(use_osr, true, "use on-stack replacement") 248 DEFINE_bool(use_osr, true, "use on-stack replacement")
249 DEFINE_bool(idefs, false, "use informative definitions") 249 DEFINE_bool(idefs, false, "use informative definitions")
250 DEFINE_bool(array_bounds_checks_elimination, true, 250 DEFINE_bool(array_bounds_checks_elimination, true,
251 "perform array bounds checks elimination") 251 "perform array bounds checks elimination")
252 DEFINE_bool(array_index_dehoisting, true, 252 DEFINE_bool(array_index_dehoisting, true,
253 "perform array index dehoisting") 253 "perform array index dehoisting")
254 DEFINE_bool(analyze_environment_liveness, true,
255 "analyze liveness of environment slots and zap dead values")
254 DEFINE_bool(dead_code_elimination, true, "use dead code elimination") 256 DEFINE_bool(dead_code_elimination, true, "use dead code elimination")
255 DEFINE_bool(fold_constants, true, "use constant folding") 257 DEFINE_bool(fold_constants, true, "use constant folding")
256 DEFINE_bool(trace_dead_code_elimination, false, "trace dead code elimination") 258 DEFINE_bool(trace_dead_code_elimination, false, "trace dead code elimination")
257 DEFINE_bool(unreachable_code_elimination, false, 259 DEFINE_bool(unreachable_code_elimination, false,
258 "eliminate unreachable code (hidden behind soft deopts)") 260 "eliminate unreachable code (hidden behind soft deopts)")
259 DEFINE_bool(track_allocation_sites, true, 261 DEFINE_bool(track_allocation_sites, true,
260 "Use allocation site info to reduce transitions") 262 "Use allocation site info to reduce transitions")
261 DEFINE_bool(optimize_constructed_arrays, false, 263 DEFINE_bool(optimize_constructed_arrays, false,
262 "Use allocation site info on constructed arrays") 264 "Use allocation site info on constructed arrays")
263 DEFINE_bool(trace_osr, false, "trace on-stack replacement") 265 DEFINE_bool(trace_osr, false, "trace on-stack replacement")
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787 #undef DEFINE_bool 789 #undef DEFINE_bool
788 #undef DEFINE_int 790 #undef DEFINE_int
789 #undef DEFINE_string 791 #undef DEFINE_string
790 #undef DEFINE_implication 792 #undef DEFINE_implication
791 793
792 #undef FLAG_MODE_DECLARE 794 #undef FLAG_MODE_DECLARE
793 #undef FLAG_MODE_DEFINE 795 #undef FLAG_MODE_DEFINE
794 #undef FLAG_MODE_DEFINE_DEFAULTS 796 #undef FLAG_MODE_DEFINE_DEFAULTS
795 #undef FLAG_MODE_META 797 #undef FLAG_MODE_META
796 #undef FLAG_MODE_DEFINE_IMPLICATIONS 798 #undef FLAG_MODE_DEFINE_IMPLICATIONS
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