Merge IR classes for different bitwise operations AND, OR and XOR into one class.

src/hydrogen-instructions.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1234 matching lines @@
 
 void HBinaryOperation::PrintDataTo(StringStream* stream) {
   left()->PrintNameTo(stream);
   stream->Add(" ");
   right()->PrintNameTo(stream);
   if (CheckFlag(kCanOverflow)) stream->Add(" !");
   if (CheckFlag(kBailoutOnMinusZero)) stream->Add(" -0?");
 }
 
 
-Range* HBitAnd::InferRange() {
+Range* HBitwise::InferRange() {
+  if (op() == Token::BIT_XOR) return HValue::InferRange();
   int32_t left_mask = (left()->range() != NULL)
       ? left()->range()->Mask()
       : 0xffffffff;
   int32_t right_mask = (right()->range() != NULL)
       ? right()->range()->Mask()
       : 0xffffffff;
-  int32_t result_mask = left_mask & right_mask;
-  return (result_mask >= 0)
-      ? new Range(0, result_mask)
-      : HValue::InferRange();
-}
-
-
-Range* HBitOr::InferRange() {
-  int32_t left_mask = (left()->range() != NULL)
-      ? left()->range()->Mask()
-      : 0xffffffff;
-  int32_t right_mask = (right()->range() != NULL)
-      ? right()->range()->Mask()
-      : 0xffffffff;
-  int32_t result_mask = left_mask | right_mask;
+  int32_t result_mask = (op() == Token::BIT_AND)
+      ? left_mask & right_mask
+      : left_mask | right_mask;
   return (result_mask >= 0)
       ? new Range(0, result_mask)
       : HValue::InferRange();
 }
 
 
 Range* HSar::InferRange() {
   if (right()->IsConstant()) {
     HConstant* c = HConstant::cast(right());
     if (c->HasInteger32Value()) {
@@ skipping 491 matching lines @@
 HType HArithmeticBinaryOperation::CalculateInferredType() {
   return HType::TaggedNumber();
 }
 
 
 HType HAdd::CalculateInferredType() {
   return HType::Tagged();
 }
 
 
-HType HBitAnd::CalculateInferredType() {
-  return HType::TaggedNumber();
-}
-
-
-HType HBitXor::CalculateInferredType() {
-  return HType::TaggedNumber();
-}
-
-
-HType HBitOr::CalculateInferredType() {
-  return HType::TaggedNumber();
-}
-
-
 HType HBitNot::CalculateInferredType() {
   return HType::TaggedNumber();
 }
 
 
 HType HUnaryMathOperation::CalculateInferredType() {
   return HType::TaggedNumber();
 }
 
 
-HType HShl::CalculateInferredType() {
-  return HType::TaggedNumber();
-}
-
-
-HType HShr::CalculateInferredType() {
-  return HType::TaggedNumber();
-}
-
-
-HType HSar::CalculateInferredType() {
-  return HType::TaggedNumber();
-}
-
-
 HType HStringCharFromCode::CalculateInferredType() {
   return HType::String();
 }
 
 
 HType HArrayLiteral::CalculateInferredType() {
   return HType::JSArray();
 }
 
 
@@ skipping 146 matching lines @@
 
 
 void HCheckPrototypeMaps::Verify() {
   HInstruction::Verify();
   ASSERT(HasNoUses());
 }
 
 #endif
 
 } }  // namespace v8::internal