[ic] Introduce BOOLEAN state for CompareIC.

src/hydrogen.cc

 // Copyright 2013 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/hydrogen.h"
 
 #include <sstream>
 
 #include "src/allocation-site-scopes.h"
 #include "src/ast-numbering.h"
@@ skipping 11632 matching lines @@
         New<HCompareObjectEqAndBranch>(left, right);
     return result;
   } else if (combined_type->Is(Type::String())) {
     BuildCheckHeapObject(left);
     Add<HCheckInstanceType>(left, HCheckInstanceType::IS_STRING);
     BuildCheckHeapObject(right);
     Add<HCheckInstanceType>(right, HCheckInstanceType::IS_STRING);
     HStringCompareAndBranch* result =
         New<HStringCompareAndBranch>(left, right, op);
     return result;
+  } else if (combined_type->Is(Type::Boolean())) {
+    AddCheckMap(left, isolate()->factory()->boolean_map());
+    AddCheckMap(right, isolate()->factory()->boolean_map());
+    if (Token::IsEqualityOp(op)) {
+      HCompareObjectEqAndBranch* result =
+          New<HCompareObjectEqAndBranch>(left, right);
+      return result;
+    }
+    left = Add<HLoadNamedField>(
+        left, nullptr,
+        HObjectAccess::ForOddballToNumber(Representation::Smi()));
+    right = Add<HLoadNamedField>(
+        right, nullptr,
+        HObjectAccess::ForOddballToNumber(Representation::Smi()));
+    HCompareNumericAndBranch* result =
+        New<HCompareNumericAndBranch>(left, right, op);
+    return result;
   } else {
     if (combined_rep.IsTagged() || combined_rep.IsNone()) {
       HCompareGeneric* result = Add<HCompareGeneric>(
           left, right, op, strength(function_language_mode()));
       result->set_observed_input_representation(1, left_rep);
       result->set_observed_input_representation(2, right_rep);
       if (result->HasObservableSideEffects()) {
         if (push_sim_result == PUSH_BEFORE_SIMULATE) {
           Push(result);
           AddSimulate(bailout_id, REMOVABLE_SIMULATE);
@@ skipping 1940 matching lines @@
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 }  // namespace internal
 }  // namespace v8