[turbofan] Remove eager frame state from property access.

src/compiler/operator-properties.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/operator-properties.h"
 
 #include "src/compiler/js-operator.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/opcodes.h"
 
@@ skipping 31 matching lines @@
     case IrOpcode::kJSInstanceOf:
 
     // Object operations
     case IrOpcode::kJSCreate:
     case IrOpcode::kJSCreateArguments:
     case IrOpcode::kJSCreateArray:
     case IrOpcode::kJSCreateLiteralArray:
     case IrOpcode::kJSCreateLiteralObject:
     case IrOpcode::kJSCreateLiteralRegExp:
 
+    // Property access operations
+    case IrOpcode::kJSLoadNamed:
+    case IrOpcode::kJSStoreNamed:
+    case IrOpcode::kJSLoadProperty:
+    case IrOpcode::kJSStoreProperty:
+    case IrOpcode::kJSLoadGlobal:
+    case IrOpcode::kJSStoreGlobal:
+    case IrOpcode::kJSDeleteProperty:
+
     // Context operations
     case IrOpcode::kJSCreateScriptContext:
 
     // Conversions
     case IrOpcode::kJSToInteger:
     case IrOpcode::kJSToLength:
     case IrOpcode::kJSToName:
     case IrOpcode::kJSToNumber:
     case IrOpcode::kJSToObject:
     case IrOpcode::kJSToString:
 
     // Call operations
     case IrOpcode::kJSCallConstruct:
     case IrOpcode::kJSCallFunction:
 
     // Misc operations
     case IrOpcode::kJSConvertReceiver:
     case IrOpcode::kJSForInNext:
     case IrOpcode::kJSForInPrepare:
     case IrOpcode::kJSStackCheck:
-    case IrOpcode::kJSDeleteProperty:
       return 1;
 
     // We record the frame state immediately before and immediately after
     // every property or global variable access.
-    case IrOpcode::kJSLoadNamed:
-    case IrOpcode::kJSStoreNamed:
-    case IrOpcode::kJSLoadProperty:
-    case IrOpcode::kJSStoreProperty:
-    case IrOpcode::kJSLoadGlobal:
-    case IrOpcode::kJSStoreGlobal:
+
       return 2;
 
     // Binary operators that can deopt in the middle the operation (e.g.,
     // as a result of lazy deopt in ToNumber conversion) need a second frame
     // state so that we can resume before the operation.
     case IrOpcode::kJSMultiply:
     case IrOpcode::kJSAdd:
     case IrOpcode::kJSBitwiseAnd:
     case IrOpcode::kJSBitwiseOr:
     case IrOpcode::kJSBitwiseXor:
@@ skipping 45 matching lines @@
          opcode == IrOpcode::kDead || opcode == IrOpcode::kLoop ||
          opcode == IrOpcode::kMerge || opcode == IrOpcode::kIfTrue ||
          opcode == IrOpcode::kIfFalse || opcode == IrOpcode::kIfSuccess ||
          opcode == IrOpcode::kIfException || opcode == IrOpcode::kIfValue ||
          opcode == IrOpcode::kIfDefault;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8