[turbofan] Remove eager frame state from all nodes.

src/compiler/node-properties.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/common-operator.h"
 #include "src/compiler/graph.h"
 #include "src/compiler/js-operator.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/node-properties.h"
 #include "src/compiler/operator-properties.h"
@@ skipping 44 matching lines @@
 
 
 // static
 Node* NodeProperties::GetContextInput(Node* node) {
   DCHECK(OperatorProperties::HasContextInput(node->op()));
   return node->InputAt(FirstContextIndex(node));
 }
 
 
 // static
-Node* NodeProperties::GetFrameStateInput(Node* node, int index) {
-  DCHECK_LT(index, OperatorProperties::GetFrameStateInputCount(node->op()));
-  return node->InputAt(FirstFrameStateIndex(node) + index);
+Node* NodeProperties::GetFrameStateInput(Node* node) {
+  DCHECK_EQ(1, OperatorProperties::GetFrameStateInputCount(node->op()));
+  return node->InputAt(FirstFrameStateIndex(node));
 }
 
 
 // static
 Node* NodeProperties::GetEffectInput(Node* node, int index) {
   DCHECK(0 <= index && index < node->op()->EffectInputCount());
   return node->InputAt(FirstEffectIndex(node) + index);
 }
 
 
@@ skipping 87 matching lines @@
 
 
 // static
 void NodeProperties::ReplaceEffectInput(Node* node, Node* effect, int index) {
   DCHECK(index < node->op()->EffectInputCount());
   return node->ReplaceInput(FirstEffectIndex(node) + index, effect);
 }
 
 
 // static
-void NodeProperties::ReplaceFrameStateInput(Node* node, int index,
-                                            Node* frame_state) {
-  DCHECK_LT(index, OperatorProperties::GetFrameStateInputCount(node->op()));
-  node->ReplaceInput(FirstFrameStateIndex(node) + index, frame_state);
+void NodeProperties::ReplaceFrameStateInput(Node* node, Node* frame_state) {
+  DCHECK_EQ(1, OperatorProperties::GetFrameStateInputCount(node->op()));
+  node->ReplaceInput(FirstFrameStateIndex(node), frame_state);
 }
 
 
 // static
 void NodeProperties::RemoveNonValueInputs(Node* node) {
   node->TrimInputCount(node->op()->ValueInputCount());
 }
 
 
 // static
@@ skipping 48 matching lines @@
 
 
 // static
 Node* NodeProperties::FindFrameStateBefore(Node* node) {
   Node* effect = NodeProperties::GetEffectInput(node);
   while (effect->opcode() != IrOpcode::kCheckpoint) {
     if (effect->opcode() == IrOpcode::kDead) return effect;
     DCHECK_EQ(1, effect->op()->EffectInputCount());
     effect = NodeProperties::GetEffectInput(effect);
   }
-  Node* frame_state = GetFrameStateInput(effect, 0);
+  Node* frame_state = GetFrameStateInput(effect);
   return frame_state;
 }
 
 // static
 Node* NodeProperties::FindProjection(Node* node, size_t projection_index) {
   for (auto use : node->uses()) {
     if (use->opcode() == IrOpcode::kProjection &&
         ProjectionIndexOf(use->op()) == projection_index) {
       return use;
     }
@@ skipping 167 matching lines @@
 // static
 bool NodeProperties::IsInputRange(Edge edge, int first, int num) {
   if (num == 0) return false;
   int const index = edge.index();
   return first <= index && index < first + num;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8