[compiler] Pass deoptimization_kind through DeoptimizeParameters and FlagsContinuation

src/compiler/instruction-selector.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/instruction-selector.h"
 
 #include <limits>
 
 #include "src/base/adapters.h"
 #include "src/compiler/compiler-source-position-table.h"
@@ skipping 747 matching lines @@
                   FrameStateType::kArgumentsAdaptor ||
               buffer->frame_state_descriptor->type() ==
                   FrameStateType::kTailCallerFunction)) {
         frame_state = NodeProperties::GetFrameStateInput(frame_state);
         buffer->frame_state_descriptor =
             buffer->frame_state_descriptor->outer_state();
       }
     }
 
     int const state_id = sequence()->AddDeoptimizationEntry(
-        buffer->frame_state_descriptor, DeoptimizeReason::kNoReason);
+        buffer->frame_state_descriptor, DeoptimizeKind::kEager,
+        DeoptimizeReason::kNoReason);
     buffer->instruction_args.push_back(g.TempImmediate(state_id));
 
     StateObjectDeduplicator deduplicator(instruction_zone());
 
     frame_state_entries =
         1 + AddInputsToFrameStateDescriptor(
                 buffer->frame_state_descriptor, frame_state, &g, &deduplicator,
                 &buffer->instruction_args, FrameStateInputKind::kStackSlot,
                 instruction_zone());
 
@@ skipping 1133 matching lines @@
 
 void InstructionSelector::VisitRoundUint64ToFloat32(Node* node) {
   UNIMPLEMENTED();
 }
 
 
 void InstructionSelector::VisitRoundUint64ToFloat64(Node* node) {
   UNIMPLEMENTED();
 }
 
-
 void InstructionSelector::VisitBitcastFloat64ToInt64(Node* node) {
   UNIMPLEMENTED();
 }
 
 
 void InstructionSelector::VisitBitcastInt64ToFloat64(Node* node) {
   UNIMPLEMENTED();
 }
 #endif  // V8_TARGET_ARCH_32_BIT
 
@@ skipping 526 matching lines @@
                         pop_count->opcode() == IrOpcode::kInt64Constant)
                            ? g.UseImmediate(pop_count)
                            : g.UseRegister(pop_count);
   for (int i = 1; i < input_count; ++i) {
     value_locations[i] =
         g.UseLocation(ret->InputAt(i), linkage()->GetReturnLocation(i - 1));
   }
   Emit(kArchRet, 0, nullptr, input_count, value_locations);
 }
 
-Instruction* InstructionSelector::EmitDeoptimize(InstructionCode opcode,
-                                                 InstructionOperand output,
-                                                 InstructionOperand a,
-                                                 DeoptimizeReason reason,
-                                                 Node* frame_state) {
+Instruction* InstructionSelector::EmitDeoptimize(
+    InstructionCode opcode, InstructionOperand output, InstructionOperand a,
+    DeoptimizeKind kind, DeoptimizeReason reason, Node* frame_state) {
   size_t output_count = output.IsInvalid() ? 0 : 1;
   InstructionOperand inputs[] = {a};
   size_t input_count = arraysize(inputs);
   return EmitDeoptimize(opcode, output_count, &output, input_count, inputs,
-                        reason, frame_state);
+                        kind, reason, frame_state);
 }
 
 Instruction* InstructionSelector::EmitDeoptimize(
     InstructionCode opcode, InstructionOperand output, InstructionOperand a,
-    InstructionOperand b, DeoptimizeReason reason, Node* frame_state) {
+    InstructionOperand b, DeoptimizeKind kind, DeoptimizeReason reason,
+    Node* frame_state) {
   size_t output_count = output.IsInvalid() ? 0 : 1;
   InstructionOperand inputs[] = {a, b};
   size_t input_count = arraysize(inputs);
   return EmitDeoptimize(opcode, output_count, &output, input_count, inputs,
-                        reason, frame_state);
+                        kind, reason, frame_state);
 }
 
 Instruction* InstructionSelector::EmitDeoptimize(
     InstructionCode opcode, size_t output_count, InstructionOperand* outputs,
-    size_t input_count, InstructionOperand* inputs, DeoptimizeReason reason,
-    Node* frame_state) {
+    size_t input_count, InstructionOperand* inputs, DeoptimizeKind kind,
+    DeoptimizeReason reason, Node* frame_state) {
   OperandGenerator g(this);
   FrameStateDescriptor* const descriptor = GetFrameStateDescriptor(frame_state);
   InstructionOperandVector args(instruction_zone());
   args.reserve(input_count + 1 + descriptor->GetTotalSize());
   for (size_t i = 0; i < input_count; ++i) {
     args.push_back(inputs[i]);
   }
   opcode |= MiscField::encode(static_cast<int>(input_count));
-  int const state_id = sequence()->AddDeoptimizationEntry(descriptor, reason);
+  int const state_id =
+      sequence()->AddDeoptimizationEntry(descriptor, kind, reason);
   args.push_back(g.TempImmediate(state_id));
   StateObjectDeduplicator deduplicator(instruction_zone());
   AddInputsToFrameStateDescriptor(descriptor, frame_state, &g, &deduplicator,
                                   &args, FrameStateInputKind::kAny,
                                   instruction_zone());
   return Emit(opcode, output_count, outputs, args.size(), &args.front(), 0,
               nullptr);
 }
 
 void InstructionSelector::EmitIdentity(Node* node) {
   OperandGenerator g(this);
   MarkAsUsed(node->InputAt(0));
   SetRename(node, node->InputAt(0));
 }
 
 void InstructionSelector::VisitDeoptimize(DeoptimizeKind kind,
                                           DeoptimizeReason reason,
                                           Node* value) {
-  InstructionCode opcode = kArchDeoptimize;
-  switch (kind) {
-    case DeoptimizeKind::kEager:
-      opcode |= MiscField::encode(Deoptimizer::EAGER);
-      break;
-    case DeoptimizeKind::kSoft:
-      opcode |= MiscField::encode(Deoptimizer::SOFT);
-      break;
-  }
-  EmitDeoptimize(opcode, 0, nullptr, 0, nullptr, reason, value);
+  EmitDeoptimize(kArchDeoptimize, 0, nullptr, 0, nullptr, kind, reason, value);
 }
 
 
 void InstructionSelector::VisitThrow(Node* value) {
   OperandGenerator g(this);
   Emit(kArchThrowTerminator, g.NoOutput());
 }
 
 void InstructionSelector::VisitDebugBreak(Node* node) {
   OperandGenerator g(this);
@@ skipping 54 matching lines @@
   return new (instruction_zone()) FrameStateDescriptor(
       instruction_zone(), state_info.type(), state_info.bailout_id(),
       state_info.state_combine(), parameters, locals, stack,
       state_info.shared_info(), outer_state);
 }
 
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8