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Issue 14222007: Remove unnecessary BailoutIds. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 8 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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210 if (mode == FastCloneShallowArrayStub::CLONE_ANY_ELEMENTS) { 210 if (mode == FastCloneShallowArrayStub::CLONE_ANY_ELEMENTS) {
211 HValue* elements = 211 HValue* elements =
212 AddInstruction(new(zone) HLoadElements(boilerplate, NULL)); 212 AddInstruction(new(zone) HLoadElements(boilerplate, NULL));
213 213
214 IfBuilder if_fixed_cow(this); 214 IfBuilder if_fixed_cow(this);
215 if_fixed_cow.BeginIfMapEquals(elements, factory->fixed_cow_array_map()); 215 if_fixed_cow.BeginIfMapEquals(elements, factory->fixed_cow_array_map());
216 environment()->Push(BuildCloneShallowArray(context(), 216 environment()->Push(BuildCloneShallowArray(context(),
217 boilerplate, 217 boilerplate,
218 alloc_site_mode, 218 alloc_site_mode,
219 FAST_ELEMENTS, 219 FAST_ELEMENTS,
220 BailoutId::StubEntry(),
221 0/*copy-on-write*/)); 220 0/*copy-on-write*/));
222 if_fixed_cow.BeginElse(); 221 if_fixed_cow.BeginElse();
223 222
224 IfBuilder if_fixed(this); 223 IfBuilder if_fixed(this);
225 if_fixed.BeginIfMapEquals(elements, factory->fixed_array_map()); 224 if_fixed.BeginIfMapEquals(elements, factory->fixed_array_map());
226 environment()->Push(BuildCloneShallowArray(context(), 225 environment()->Push(BuildCloneShallowArray(context(),
227 boilerplate, 226 boilerplate,
228 alloc_site_mode, 227 alloc_site_mode,
229 FAST_ELEMENTS, 228 FAST_ELEMENTS,
230 BailoutId::StubEntry(),
231 length)); 229 length));
232 if_fixed.BeginElse(); 230 if_fixed.BeginElse();
233 231
234 environment()->Push(BuildCloneShallowArray(context(), 232 environment()->Push(BuildCloneShallowArray(context(),
235 boilerplate, 233 boilerplate,
236 alloc_site_mode, 234 alloc_site_mode,
237 FAST_DOUBLE_ELEMENTS, 235 FAST_DOUBLE_ELEMENTS,
238 BailoutId::StubEntry(),
239 length)); 236 length));
240 } else { 237 } else {
241 ElementsKind elements_kind = casted_stub()->ComputeElementsKind(); 238 ElementsKind elements_kind = casted_stub()->ComputeElementsKind();
242 environment()->Push(BuildCloneShallowArray(context(), 239 environment()->Push(BuildCloneShallowArray(context(),
243 boilerplate, 240 boilerplate,
244 alloc_site_mode, 241 alloc_site_mode,
245 elements_kind, 242 elements_kind,
246 BailoutId::StubEntry(),
247 length)); 243 length));
248 } 244 }
249 245
250 return environment()->Pop(); 246 return environment()->Pop();
251 } 247 }
252 248
253 249
254 Handle<Code> FastCloneShallowArrayStub::GenerateCode() { 250 Handle<Code> FastCloneShallowArrayStub::GenerateCode() {
255 CodeStubGraphBuilder<FastCloneShallowArrayStub> builder(this); 251 CodeStubGraphBuilder<FastCloneShallowArrayStub> builder(this);
256 LChunk* chunk = OptimizeGraph(builder.CreateGraph()); 252 LChunk* chunk = OptimizeGraph(builder.CreateGraph());
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438 current_block()->MarkAsDeoptimizing(); 434 current_block()->MarkAsDeoptimizing();
439 return GetParameter(0); 435 return GetParameter(0);
440 } 436 }
441 437
442 438
443 Handle<Code> ArrayNArgumentsConstructorStub::GenerateCode() { 439 Handle<Code> ArrayNArgumentsConstructorStub::GenerateCode() {
444 return DoGenerateCode(this); 440 return DoGenerateCode(this);
445 } 441 }
446 442
447 } } // namespace v8::internal 443 } } // namespace v8::internal
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