Remove the HValueOf instruction.

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index bcb351c6385d06d2ca7b4e6efc64ca0d1bbdbebe..28ca344a45028bc7eb6fb9706455054c8182be81 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -1983,28 +1983,6 @@ void LCodeGen::DoElementsKind(LElementsKind* instr) {
 }
 
 
-void LCodeGen::DoValueOf(LValueOf* instr) {
-  Register input = ToRegister(instr->value());
-  Register result = ToRegister(instr->result());
-  Register map = ToRegister(instr->temp());
-  ASSERT(input.is(result));
-
-  Label done;
-
-  if (!instr->hydrogen()->value()->IsHeapObject()) {
-    // If the object is a smi return the object.
-    __ JumpIfSmi(input, &done, Label::kNear);
-  }
-
-  // If the object is not a value type, return the object.
-  __ CmpObjectType(input, JS_VALUE_TYPE, map);
-  __ j(not_equal, &done, Label::kNear);
-  __ mov(result, FieldOperand(input, JSValue::kValueOffset));
-
-  __ bind(&done);
-}
-
-
 void LCodeGen::DoDateField(LDateField* instr) {
   Register object = ToRegister(instr->date());
   Register result = ToRegister(instr->result());