Migrate Compare ICs to new type rep

src/ast.cc

Index: src/ast.cc
diff --git a/src/ast.cc b/src/ast.cc
index a94feb88e56412aeeb4ea0c97f58a4f90e864de4..0ebbd35be886cdef66de2bb459226000d41750a3 100644
--- a/src/ast.cc
+++ b/src/ast.cc
@@ -503,19 +503,7 @@ void CountOperation::RecordTypeFeedback(TypeFeedbackOracle* oracle,
 
 
 void CaseClause::RecordTypeFeedback(TypeFeedbackOracle* oracle) {
-  TypeInfo info = oracle->SwitchType(this);
-  if (info.IsUninitialized()) info = TypeInfo::Unknown();
-  if (info.IsSmi()) {
-    compare_type_ = SMI_ONLY;
-  } else if (info.IsInternalizedString()) {
-    compare_type_ = NAME_ONLY;
-  } else if (info.IsNonInternalizedString()) {
-    compare_type_ = STRING_ONLY;
-  } else if (info.IsNonPrimitive()) {
-    compare_type_ = OBJECT_ONLY;
-  } else {
-    ASSERT(compare_type_ == NONE);
-  }
+  compare_type_ = oracle->ClauseType(CompareId());
 }
 
 
@@ -685,17 +673,11 @@ void BinaryOperation::RecordTypeFeedback(TypeFeedbackOracle* oracle) {
 }
 
 
+// TODO(rossberg): this function (and all other RecordTypeFeedback functions)
+// should disappear once we use the common type field in the AST consistently.
 void CompareOperation::RecordTypeFeedback(TypeFeedbackOracle* oracle) {
-  oracle->CompareType(this, &left_type_, &right_type_, &overall_type_);
-  if (!overall_type_.IsUninitialized() && overall_type_.IsNonPrimitive() &&
-      (op_ == Token::EQ || op_ == Token::EQ_STRICT)) {
-    map_ = oracle->GetCompareMap(this);
-  } else {
-    // May be a compare to nil.
-    map_ = oracle->CompareNilMonomorphicReceiverType(this);
-    if (op_ != Token::EQ_STRICT)
-      compare_nil_types_ = oracle->CompareNilTypes(this);
-  }
+  oracle->CompareTypes(CompareOperationFeedbackId(),
+      &left_type_, &right_type_, &overall_type_, &compare_nil_type_);
 }
 
 
@@ -1072,7 +1054,7 @@ CaseClause::CaseClause(Isolate* isolate,
     : label_(label),
       statements_(statements),
       position_(pos),
-      compare_type_(NONE),
+      compare_type_(Type::None(), isolate),
       compare_id_(AstNode::GetNextId(isolate)),
       entry_id_(AstNode::GetNextId(isolate)) {
 }