[turbofan] Attach source positions to deopt info.

src/compiler/arm/code-generator-arm.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/code-generator.h"
 
 #include "src/arm/macro-assembler-arm.h"
 #include "src/compilation-info.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
@@ skipping 735 matching lines @@
     case kArchNop:
     case kArchThrowTerminator:
       // don't emit code for nops.
       DCHECK_EQ(LeaveCC, i.OutputSBit());
       break;
     case kArchDeoptimize: {
       int deopt_state_id =
           BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore());
       Deoptimizer::BailoutType bailout_type =
           Deoptimizer::BailoutType(MiscField::decode(instr->opcode()));
-      CodeGenResult result =
-          AssembleDeoptimizerCall(deopt_state_id, bailout_type);
+      CodeGenResult result = AssembleDeoptimizerCall(
+          deopt_state_id, bailout_type, current_source_position_);
       if (result != kSuccess) return result;
       break;
     }
     case kArchRet:
       AssembleReturn();
       DCHECK_EQ(LeaveCC, i.OutputSBit());
       break;
     case kArchStackPointer:
       __ mov(i.OutputRegister(), sp);
       DCHECK_EQ(LeaveCC, i.OutputSBit());
@@ skipping 846 matching lines @@
   __ cmp(input, Operand(case_count));
   __ BlockConstPoolFor(case_count + 2);
   __ add(pc, pc, Operand(input, LSL, 2), LeaveCC, lo);
   __ b(GetLabel(i.InputRpo(1)));
   for (size_t index = 0; index < case_count; ++index) {
     __ b(GetLabel(i.InputRpo(index + 2)));
   }
 }
 
 CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall(
-    int deoptimization_id, Deoptimizer::BailoutType bailout_type) {
+    int deoptimization_id, Deoptimizer::BailoutType bailout_type,
+    SourcePosition pos) {
   Address deopt_entry = Deoptimizer::GetDeoptimizationEntry(
       isolate(), deoptimization_id, bailout_type);
   // TODO(turbofan): We should be able to generate better code by sharing the
   // actual final call site and just bl'ing to it here, similar to what we do
   // in the lithium backend.
   if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts;
   DeoptimizeReason deoptimization_reason =
       GetDeoptimizationReason(deoptimization_id);
-  __ RecordDeoptReason(deoptimization_reason, 0, deoptimization_id);
+  __ RecordDeoptReason(deoptimization_reason, pos.raw(), deoptimization_id);
   __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY);
   __ CheckConstPool(false, false);
   return kSuccess;
 }
 
 void CodeGenerator::FinishFrame(Frame* frame) {
   CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
 
   const RegList saves_fp = descriptor->CalleeSavedFPRegisters();
   if (saves_fp != 0) {
@@ skipping 325 matching lines @@
       padding_size -= v8::internal::Assembler::kInstrSize;
     }
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8