[turbofan] Unify number operation typing rules.

src/compiler/operation-typer.h

Index: src/compiler/operation-typer.h
diff --git a/src/compiler/operation-typer.h b/src/compiler/operation-typer.h
index d6ec06b898b825f888c47525f5a52cb110230519..0b039a928dd5a1cb9702aad3631629b8298ba5c4 100644
--- a/src/compiler/operation-typer.h
+++ b/src/compiler/operation-typer.h
@@ -32,13 +32,16 @@ class OperationTyper {
   Type* ToNumber(Type* type);
   Type* WeakenRange(Type* current_range, Type* previous_range);
 
-  Type* NumberAdd(Type* lhs, Type* rhs);
-  Type* NumberSubtract(Type* lhs, Type* rhs);
-  Type* NumberMultiply(Type* lhs, Type* rhs);
-  Type* NumberDivide(Type* lhs, Type* rhs);
-  Type* NumberModulus(Type* lhs, Type* rhs);
+// Number unary operators.
+#define DECLARE_METHOD(Name) Type* Name(Type* type);
+  SIMPLIFIED_NUMBER_UNOP_LIST(DECLARE_METHOD)
+#undef DECLARE_METHOD
 
-  Type* NumberAbs(Type* type);
+// Number binary operators.
+#define DECLARE_METHOD(Name) Type* Name(Type* lhs, Type* rhs);
+  SIMPLIFIED_NUMBER_BINOP_LIST(DECLARE_METHOD)
+  SIMPLIFIED_SPECULATIVE_NUMBER_BINOP_LIST(DECLARE_METHOD)
+#undef DECLARE_METHOD
 
   enum ComparisonOutcomeFlags {
     kComparisonTrue = 1,
@@ -46,14 +49,9 @@ class OperationTyper {
     kComparisonUndefined = 4
   };
 
-// Javascript binop typers.
-#define DECLARE_CASE(x) Type* Type##x(Type* lhs, Type* rhs);
-  JS_SIMPLE_BINOP_LIST(DECLARE_CASE)
-#undef DECLARE_CASE
-
-  Type* singleton_false() { return singleton_false_; }
-  Type* singleton_true() { return singleton_true_; }
-  Type* singleton_the_hole() { return singleton_the_hole_; }
+  Type* singleton_false() const { return singleton_false_; }
+  Type* singleton_true() const { return singleton_true_; }
+  Type* singleton_the_hole() const { return singleton_the_hole_; }
 
  private:
   typedef base::Flags<ComparisonOutcomeFlags> ComparisonOutcome;
@@ -68,14 +66,16 @@ class OperationTyper {
   Type* SubtractRanger(RangeType* lhs, RangeType* rhs);
   Type* MultiplyRanger(Type* lhs, Type* rhs);
 
-  Zone* zone() { return zone_; }
+  Zone* zone() const { return zone_; }
 
-  Zone* zone_;
+  Zone* const zone_;
   TypeCache const& cache_;
 
   Type* singleton_false_;
   Type* singleton_true_;
   Type* singleton_the_hole_;
+  Type* signed32ish_;
+  Type* unsigned32ish_;
 };
 
 }  // namespace compiler