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Issue 2366993002: [turbofan] Attach source positions to deopt info. (Closed)
Patch Set: DeoptimizationExit::pos_ made const Created 4 years, 2 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/compiler/code-generator.h" 5 #include "src/compiler/code-generator.h"
6 6
7 #include "src/compilation-info.h" 7 #include "src/compilation-info.h"
8 #include "src/compiler/code-generator-impl.h" 8 #include "src/compiler/code-generator-impl.h"
9 #include "src/compiler/gap-resolver.h" 9 #include "src/compiler/gap-resolver.h"
10 #include "src/compiler/node-matchers.h" 10 #include "src/compiler/node-matchers.h"
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903 break; 903 break;
904 case kArchNop: 904 case kArchNop:
905 case kArchThrowTerminator: 905 case kArchThrowTerminator:
906 // don't emit code for nops. 906 // don't emit code for nops.
907 break; 907 break;
908 case kArchDeoptimize: { 908 case kArchDeoptimize: {
909 int deopt_state_id = 909 int deopt_state_id =
910 BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore()); 910 BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore());
911 Deoptimizer::BailoutType bailout_type = 911 Deoptimizer::BailoutType bailout_type =
912 Deoptimizer::BailoutType(MiscField::decode(instr->opcode())); 912 Deoptimizer::BailoutType(MiscField::decode(instr->opcode()));
913 CodeGenResult result = 913 CodeGenResult result = AssembleDeoptimizerCall(
914 AssembleDeoptimizerCall(deopt_state_id, bailout_type); 914 deopt_state_id, bailout_type, current_source_position_);
915 if (result != kSuccess) return result; 915 if (result != kSuccess) return result;
916 break; 916 break;
917 } 917 }
918 case kArchRet: 918 case kArchRet:
919 AssembleReturn(); 919 AssembleReturn();
920 break; 920 break;
921 case kArchStackPointer: 921 case kArchStackPointer:
922 __ movq(i.OutputRegister(), rsp); 922 __ movq(i.OutputRegister(), rsp);
923 break; 923 break;
924 case kArchFramePointer: 924 case kArchFramePointer:
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2297 cases[index] = GetLabel(i.InputRpo(index + 2)); 2297 cases[index] = GetLabel(i.InputRpo(index + 2));
2298 } 2298 }
2299 Label* const table = AddJumpTable(cases, case_count); 2299 Label* const table = AddJumpTable(cases, case_count);
2300 __ cmpl(input, Immediate(case_count)); 2300 __ cmpl(input, Immediate(case_count));
2301 __ j(above_equal, GetLabel(i.InputRpo(1))); 2301 __ j(above_equal, GetLabel(i.InputRpo(1)));
2302 __ leaq(kScratchRegister, Operand(table)); 2302 __ leaq(kScratchRegister, Operand(table));
2303 __ jmp(Operand(kScratchRegister, input, times_8, 0)); 2303 __ jmp(Operand(kScratchRegister, input, times_8, 0));
2304 } 2304 }
2305 2305
2306 CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall( 2306 CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall(
2307 int deoptimization_id, Deoptimizer::BailoutType bailout_type) { 2307 int deoptimization_id, Deoptimizer::BailoutType bailout_type,
2308 SourcePosition pos) {
2308 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( 2309 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry(
2309 isolate(), deoptimization_id, bailout_type); 2310 isolate(), deoptimization_id, bailout_type);
2310 if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts; 2311 if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts;
2311 DeoptimizeReason deoptimization_reason = 2312 DeoptimizeReason deoptimization_reason =
2312 GetDeoptimizationReason(deoptimization_id); 2313 GetDeoptimizationReason(deoptimization_id);
2313 __ RecordDeoptReason(deoptimization_reason, 0, deoptimization_id); 2314 __ RecordDeoptReason(deoptimization_reason, pos.raw(), deoptimization_id);
2314 __ call(deopt_entry, RelocInfo::RUNTIME_ENTRY); 2315 __ call(deopt_entry, RelocInfo::RUNTIME_ENTRY);
2315 return kSuccess; 2316 return kSuccess;
2316 } 2317 }
2317 2318
2318 2319
2319 namespace { 2320 namespace {
2320 2321
2321 static const int kQuadWordSize = 16; 2322 static const int kQuadWordSize = 16;
2322 2323
2323 } // namespace 2324 } // namespace
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2717 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; 2718 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
2718 __ Nop(padding_size); 2719 __ Nop(padding_size);
2719 } 2720 }
2720 } 2721 }
2721 2722
2722 #undef __ 2723 #undef __
2723 2724
2724 } // namespace compiler 2725 } // namespace compiler
2725 } // namespace internal 2726 } // namespace internal
2726 } // namespace v8 2727 } // namespace v8
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