Spliting out TyperCache into ZoneTypeCache to share with AsmTyper.

src/compiler/typer.cc

 // Copyright 2014 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/compiler/typer.h"
 
 #include "src/base/flags.h"
 #include "src/base/lazy-instance.h"
 #include "src/bootstrapper.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph-reducer.h"
 #include "src/compiler/js-operator.h"
 #include "src/compiler/node.h"
 #include "src/compiler/node-properties.h"
 #include "src/compiler/simplified-operator.h"
+#include "src/zone-type-cache.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
-class TyperCache final {
- private:
-  // This has to be first for the initialization magic to work.
-  Zone zone_;
-
- public:
-  TyperCache() = default;
-
-  Type* const kInt8 =
-      CreateNative(CreateRange<int8_t>(), Type::UntaggedSigned8());
-  Type* const kUint8 =
-      CreateNative(CreateRange<uint8_t>(), Type::UntaggedUnsigned8());
-  Type* const kUint8Clamped = kUint8;
-  Type* const kInt16 =
-      CreateNative(CreateRange<int16_t>(), Type::UntaggedSigned16());
-  Type* const kUint16 =
-      CreateNative(CreateRange<uint16_t>(), Type::UntaggedUnsigned16());
-  Type* const kInt32 = CreateNative(Type::Signed32(), Type::UntaggedSigned32());
-  Type* const kUint32 =
-      CreateNative(Type::Unsigned32(), Type::UntaggedUnsigned32());
-  Type* const kFloat32 = CreateNative(Type::Number(), Type::UntaggedFloat32());
-  Type* const kFloat64 = CreateNative(Type::Number(), Type::UntaggedFloat64());
-
-  Type* const kSingletonZero = CreateRange(0.0, 0.0);
-  Type* const kSingletonOne = CreateRange(1.0, 1.0);
-  Type* const kZeroOrOne = CreateRange(0.0, 1.0);
-  Type* const kZeroish =
-      Type::Union(kSingletonZero, Type::MinusZeroOrNaN(), zone());
-  Type* const kInteger = CreateRange(-V8_INFINITY, V8_INFINITY);
-  Type* const kWeakint = Type::Union(kInteger, Type::MinusZeroOrNaN(), zone());
-  Type* const kWeakintFunc1 = Type::Function(kWeakint, Type::Number(), zone());
-
-  Type* const kRandomFunc0 = Type::Function(Type::OrderedNumber(), zone());
-  Type* const kAnyFunc0 = Type::Function(Type::Any(), zone());
-  Type* const kAnyFunc1 = Type::Function(Type::Any(), Type::Any(), zone());
-  Type* const kAnyFunc2 =
-      Type::Function(Type::Any(), Type::Any(), Type::Any(), zone());
-  Type* const kAnyFunc3 = Type::Function(Type::Any(), Type::Any(), Type::Any(),
-                                         Type::Any(), zone());
-  Type* const kNumberFunc0 = Type::Function(Type::Number(), zone());
-  Type* const kNumberFunc1 =
-      Type::Function(Type::Number(), Type::Number(), zone());
-  Type* const kNumberFunc2 =
-      Type::Function(Type::Number(), Type::Number(), Type::Number(), zone());
-  Type* const kImulFunc = Type::Function(Type::Signed32(), Type::Integral32(),
-                                         Type::Integral32(), zone());
-  Type* const kClz32Func =
-      Type::Function(CreateRange(0, 32), Type::Number(), zone());
-
-#define TYPED_ARRAY(TypeName, type_name, TYPE_NAME, ctype, size) \
-  Type* const k##TypeName##Array = CreateArray(k##TypeName);
-  TYPED_ARRAYS(TYPED_ARRAY)
-#undef TYPED_ARRAY
-
- private:
-  Type* CreateArray(Type* element) { return Type::Array(element, zone()); }
-
-  Type* CreateArrayFunction(Type* array) {
-    Type* arg1 = Type::Union(Type::Unsigned32(), Type::Object(), zone());
-    Type* arg2 = Type::Union(Type::Unsigned32(), Type::Undefined(), zone());
-    Type* arg3 = arg2;
-    return Type::Function(array, arg1, arg2, arg3, zone());
-  }
-
-  Type* CreateNative(Type* semantic, Type* representation) {
-    return Type::Intersect(semantic, representation, zone());
-  }
-
-  template <typename T>
-  Type* CreateRange() {
-    return CreateRange(std::numeric_limits<T>::min(),
-                       std::numeric_limits<T>::max());
-  }
-
-  Type* CreateRange(double min, double max) {
-    return Type::Range(min, max, zone());
-  }
-
-  Zone* zone() { return &zone_; }
-};
-
-
 namespace {
 
-base::LazyInstance<TyperCache>::type kCache = LAZY_INSTANCE_INITIALIZER;
+base::LazyInstance<ZoneTypeCache>::type kCache = LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 
 class Typer::Decorator final : public GraphDecorator {
  public:
   explicit Decorator(Typer* typer) : typer_(typer) {}
   void Decorate(Node* node) final;
 
  private:
@@ skipping 2257 matching lines @@
       TYPED_ARRAYS(TYPED_ARRAY_CASE)
 #undef TYPED_ARRAY_CASE
     }
   }
   return Type::Constant(value, zone());
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8