1 files changed, 17 insertions, 56 deletions

diff --git a/deps/v8/src/x64/lithium-x64.h b/deps/v8/src/x64/lithium-x64.h
index 2ba248642c..6129516515 100644
--- a/deps/v8/src/x64/lithium-x64.h
+++ b/deps/v8/src/x64/lithium-x64.h
@@ -79,19 +79,17 @@ class LCodeGen;
   V(FlooringDivI)                            \
   V(ForInCacheArray)                         \
   V(ForInPrepareMap)                         \
-  V(FunctionLiteral)                         \
   V(GetCachedArrayIndex)                     \
   V(Goto)                                    \
   V(HasCachedArrayIndexAndBranch)            \
+  V(HasInPrototypeChainAndBranch)            \
   V(HasInstanceTypeAndBranch)                \
   V(InnerAllocatedObject)                    \
   V(InstanceOf)                              \
-  V(InstanceOfKnownGlobal)                   \
   V(InstructionGap)                          \
   V(Integer32ToDouble)                       \
   V(InvokeFunction)                          \
   V(IsConstructCallAndBranch)                \
-  V(IsObjectAndBranch)                       \
   V(IsStringAndBranch)                       \
   V(IsSmiAndBranch)                          \
   V(IsUndetectableAndBranch)                 \
@@ -130,6 +128,7 @@ class LCodeGen;
   V(OsrEntry)                                \
   V(Parameter)                               \
   V(Power)                                   \
+  V(Prologue)                                \
   V(PushArgument)                            \
   V(RegExpLiteral)                           \
   V(Return)                                  \
@@ -242,8 +241,6 @@ class LInstruction : public ZoneObject {
     return IsCall();
   }
 
-  virtual void SetDeferredLazyDeoptimizationEnvironment(LEnvironment* env) { }
-
   // Interface to the register allocator and iterators.
   bool IsMarkedAsCall() const { return IsCall(); }
 
@@ -396,6 +393,12 @@ class LGoto final : public LTemplateInstruction<0, 0, 0> {
 };
 
 
+class LPrologue final : public LTemplateInstruction<0, 0, 0> {
+ public:
+  DECLARE_CONCRETE_INSTRUCTION(Prologue, "prologue")
+};
+
+
 class LLazyBailout final : public LTemplateInstruction<0, 0, 0> {
  public:
   LLazyBailout() : gap_instructions_size_(0) { }
@@ -985,21 +988,6 @@ class LCompareMinusZeroAndBranch final : public LControlInstruction<1, 0> {
 };
 
 
-class LIsObjectAndBranch final : public LControlInstruction<1, 0> {
- public:
-  explicit LIsObjectAndBranch(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(IsObjectAndBranch, "is-object-and-branch")
-  DECLARE_HYDROGEN_ACCESSOR(IsObjectAndBranch)
-
-  void PrintDataTo(StringStream* stream) override;
-};
-
-
 class LIsStringAndBranch final : public LControlInstruction<1, 1> {
  public:
   explicit LIsStringAndBranch(LOperand* value, LOperand* temp) {
@@ -1176,33 +1164,19 @@ class LInstanceOf final : public LTemplateInstruction<1, 3, 0> {
 };
 
 
-class LInstanceOfKnownGlobal final : public LTemplateInstruction<1, 2, 1> {
+class LHasInPrototypeChainAndBranch final : public LControlInstruction<2, 0> {
  public:
-  LInstanceOfKnownGlobal(LOperand* context, LOperand* value, LOperand* temp) {
-    inputs_[0] = context;
-    inputs_[1] = value;
-    temps_[0] = temp;
+  LHasInPrototypeChainAndBranch(LOperand* object, LOperand* prototype) {
+    inputs_[0] = object;
+    inputs_[1] = prototype;
   }
 
-  LOperand* context() { return inputs_[0]; }
-  LOperand* value() { return inputs_[1]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(InstanceOfKnownGlobal,
-                               "instance-of-known-global")
-  DECLARE_HYDROGEN_ACCESSOR(InstanceOfKnownGlobal)
+  LOperand* object() const { return inputs_[0]; }
+  LOperand* prototype() const { return inputs_[1]; }
 
-  Handle<JSFunction> function() const { return hydrogen()->function(); }
-  LEnvironment* GetDeferredLazyDeoptimizationEnvironment() {
-    return lazy_deopt_env_;
-  }
-  virtual void SetDeferredLazyDeoptimizationEnvironment(
-      LEnvironment* env) override {
-    lazy_deopt_env_ = env;
-  }
-
- private:
-  LEnvironment* lazy_deopt_env_;
+  DECLARE_CONCRETE_INSTRUCTION(HasInPrototypeChainAndBranch,
+                               "has-in-prototype-chain-and-branch")
+  DECLARE_HYDROGEN_ACCESSOR(HasInPrototypeChainAndBranch)
 };
 
 
@@ -2560,19 +2534,6 @@ class LRegExpLiteral final : public LTemplateInstruction<1, 1, 0> {
 };
 
 
-class LFunctionLiteral final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LFunctionLiteral(LOperand* context) {
-    inputs_[0] = context;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(FunctionLiteral, "function-literal")
-  DECLARE_HYDROGEN_ACCESSOR(FunctionLiteral)
-};
-
-
 class LToFastProperties final : public LTemplateInstruction<1, 1, 0> {
  public:
   explicit LToFastProperties(LOperand* value) {