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Issue 9403009: Count ICs that have type information. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: fix confusing --trace-opt output Created 8 years, 10 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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296 if (cgen.HasStackOverflow()) { 296 if (cgen.HasStackOverflow()) {
297 ASSERT(!isolate->has_pending_exception()); 297 ASSERT(!isolate->has_pending_exception());
298 return false; 298 return false;
299 } 299 }
300 unsigned table_offset = cgen.EmitStackCheckTable(); 300 unsigned table_offset = cgen.EmitStackCheckTable();
301 301
302 Code::Flags flags = Code::ComputeFlags(Code::FUNCTION); 302 Code::Flags flags = Code::ComputeFlags(Code::FUNCTION);
303 Handle<Code> code = CodeGenerator::MakeCodeEpilogue(&masm, flags, info); 303 Handle<Code> code = CodeGenerator::MakeCodeEpilogue(&masm, flags, info);
304 code->set_optimizable(info->IsOptimizable()); 304 code->set_optimizable(info->IsOptimizable());
305 cgen.PopulateDeoptimizationData(code); 305 cgen.PopulateDeoptimizationData(code);
306 cgen.PopulateTypeFeedbackInfo(code);
306 cgen.PopulateTypeFeedbackCells(code); 307 cgen.PopulateTypeFeedbackCells(code);
307 code->set_has_deoptimization_support(info->HasDeoptimizationSupport()); 308 code->set_has_deoptimization_support(info->HasDeoptimizationSupport());
308 code->set_handler_table(*cgen.handler_table()); 309 code->set_handler_table(*cgen.handler_table());
309 #ifdef ENABLE_DEBUGGER_SUPPORT 310 #ifdef ENABLE_DEBUGGER_SUPPORT
310 code->set_has_debug_break_slots( 311 code->set_has_debug_break_slots(
311 info->isolate()->debugger()->IsDebuggerActive()); 312 info->isolate()->debugger()->IsDebuggerActive());
312 code->set_compiled_optimizable(info->IsOptimizable()); 313 code->set_compiled_optimizable(info->IsOptimizable());
313 #endif // ENABLE_DEBUGGER_SUPPORT 314 #endif // ENABLE_DEBUGGER_SUPPORT
314 code->set_allow_osr_at_loop_nesting_level(0); 315 code->set_allow_osr_at_loop_nesting_level(0);
315 code->set_stack_check_table_offset(table_offset); 316 code->set_stack_check_table_offset(table_offset);
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354 Handle<DeoptimizationOutputData> data = isolate()->factory()-> 355 Handle<DeoptimizationOutputData> data = isolate()->factory()->
355 NewDeoptimizationOutputData(length, TENURED); 356 NewDeoptimizationOutputData(length, TENURED);
356 for (int i = 0; i < length; i++) { 357 for (int i = 0; i < length; i++) {
357 data->SetAstId(i, Smi::FromInt(bailout_entries_[i].id)); 358 data->SetAstId(i, Smi::FromInt(bailout_entries_[i].id));
358 data->SetPcAndState(i, Smi::FromInt(bailout_entries_[i].pc_and_state)); 359 data->SetPcAndState(i, Smi::FromInt(bailout_entries_[i].pc_and_state));
359 } 360 }
360 code->set_deoptimization_data(*data); 361 code->set_deoptimization_data(*data);
361 } 362 }
362 363
363 364
365 void FullCodeGenerator::PopulateTypeFeedbackInfo(Handle<Code> code) {
366 Handle<TypeFeedbackInfo> info = isolate()->factory()->NewTypeFeedbackInfo();
367 info->set_ic_total_count(ic_total_count_);
368 code->set_type_feedback_info(*info);
369 }
370
371
364 void FullCodeGenerator::PopulateTypeFeedbackCells(Handle<Code> code) { 372 void FullCodeGenerator::PopulateTypeFeedbackCells(Handle<Code> code) {
365 if (type_feedback_cells_.is_empty()) return; 373 if (type_feedback_cells_.is_empty()) return;
366 int length = type_feedback_cells_.length(); 374 int length = type_feedback_cells_.length();
367 int array_size = TypeFeedbackCells::LengthOfFixedArray(length); 375 int array_size = TypeFeedbackCells::LengthOfFixedArray(length);
368 Handle<TypeFeedbackCells> cache = Handle<TypeFeedbackCells>::cast( 376 Handle<TypeFeedbackCells> cache = Handle<TypeFeedbackCells>::cast(
369 isolate()->factory()->NewFixedArray(array_size, TENURED)); 377 isolate()->factory()->NewFixedArray(array_size, TENURED));
370 for (int i = 0; i < length; i++) { 378 for (int i = 0; i < length; i++) {
371 cache->SetAstId(i, Smi::FromInt(type_feedback_cells_[i].ast_id)); 379 cache->SetAstId(i, Smi::FromInt(type_feedback_cells_[i].ast_id));
372 cache->SetCell(i, *type_feedback_cells_[i].cell); 380 cache->SetCell(i, *type_feedback_cells_[i].cell);
373 } 381 }
374 code->set_type_feedback_cells(*cache); 382 TypeFeedbackInfo::cast(code->type_feedback_info())->set_type_feedback_cells(
383 *cache);
375 } 384 }
376 385
377 386
378 387
379 void FullCodeGenerator::PrepareForBailout(Expression* node, State state) { 388 void FullCodeGenerator::PrepareForBailout(Expression* node, State state) {
380 PrepareForBailoutForId(node->id(), state); 389 PrepareForBailoutForId(node->id(), state);
381 } 390 }
382 391
383 392
384 void FullCodeGenerator::RecordJSReturnSite(Call* call) { 393 void FullCodeGenerator::RecordJSReturnSite(Call* call) {
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1381 } 1390 }
1382 1391
1383 return false; 1392 return false;
1384 } 1393 }
1385 1394
1386 1395
1387 #undef __ 1396 #undef __
1388 1397
1389 1398
1390 } } // namespace v8::internal 1399 } } // namespace v8::internal
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