[turbofan] Add initial support for SOFT deopts.

src/compiler/js-intrinsic-lowering.cc

 // Copyright 2015 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/js-intrinsic-lowering.h"
 
 #include <stack>
 
 #include "src/code-factory.h"
 #include "src/compiler/access-builder.h"
@@ skipping 131 matching lines @@
 
 
 Reduction JSIntrinsicLowering::ReduceDeoptimizeNow(Node* node) {
   if (mode() != kDeoptimizationEnabled) return NoChange();
   Node* const frame_state = NodeProperties::GetFrameStateInput(node, 0);
   Node* const effect = NodeProperties::GetEffectInput(node);
   Node* const control = NodeProperties::GetControlInput(node);
 
   // TODO(bmeurer): Move MergeControlToEnd() to the AdvancedReducer.
   Node* deoptimize =
-      graph()->NewNode(common()->Deoptimize(), frame_state, effect, control);
+      graph()->NewNode(common()->Deoptimize(DeoptimizeKind::kEager),
+                       frame_state, effect, control);
   NodeProperties::MergeControlToEnd(graph(), common(), deoptimize);
 
   node->TrimInputCount(0);
   NodeProperties::ChangeOp(node, common()->Dead());
   return Changed(node);
 }
 
 
 Reduction JSIntrinsicLowering::ReduceDoubleHi(Node* node) {
   return Change(node, machine()->Float64ExtractHighWord32());
@@ skipping 296 matching lines @@
 
 
 Reduction JSIntrinsicLowering::ReduceThrowNotDateError(Node* node) {
   if (mode() != kDeoptimizationEnabled) return NoChange();
   Node* const frame_state = NodeProperties::GetFrameStateInput(node, 1);
   Node* const effect = NodeProperties::GetEffectInput(node);
   Node* const control = NodeProperties::GetControlInput(node);
 
   // TODO(bmeurer): Move MergeControlToEnd() to the AdvancedReducer.
   Node* deoptimize =
-      graph()->NewNode(common()->Deoptimize(), frame_state, effect, control);
+      graph()->NewNode(common()->Deoptimize(DeoptimizeKind::kEager),
+                       frame_state, effect, control);
   NodeProperties::MergeControlToEnd(graph(), common(), deoptimize);
 
   node->TrimInputCount(0);
   NodeProperties::ChangeOp(node, common()->Dead());
   return Changed(node);
 }
 
 
 Reduction JSIntrinsicLowering::ReduceToInteger(Node* node) {
   Node* value = NodeProperties::GetValueInput(node, 0);
@@ skipping 166 matching lines @@
 }
 
 
 SimplifiedOperatorBuilder* JSIntrinsicLowering::simplified() const {
   return jsgraph()->simplified();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8