[turbofan] Initial version of number type feedback.

src/compiler/simplified-operator.cc

 // Copyright 2012 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/simplified-operator.h"
 
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
 #include "src/types.h"
@@ skipping 159 matching lines @@
   DCHECK(op->opcode() == IrOpcode::kLoadElement ||
          op->opcode() == IrOpcode::kStoreElement);
   return OpParameter<ElementAccess>(op);
 }
 
 Type* TypeOf(const Operator* op) {
   DCHECK_EQ(IrOpcode::kTypeGuard, op->opcode());
   return OpParameter<Type*>(op);
 }
 
+BinaryOperationHints::Hint BinaryOperationHintOf(const Operator* op) {
+  DCHECK(op->opcode() == IrOpcode::kSpeculativeNumberAdd ||
+         op->opcode() == IrOpcode::kSpeculativeNumberSubtract);
+  return OpParameter<BinaryOperationHints::Hint>(op);
+}
+
 #define PURE_OP_LIST(V)                                    \
   V(BooleanNot, Operator::kNoProperties, 1)                \
   V(BooleanToNumber, Operator::kNoProperties, 1)           \
   V(NumberEqual, Operator::kCommutative, 2)                \
   V(NumberLessThan, Operator::kNoProperties, 2)            \
   V(NumberLessThanOrEqual, Operator::kNoProperties, 2)     \
   V(NumberAdd, Operator::kCommutative, 2)                  \
   V(NumberSubtract, Operator::kNoProperties, 2)            \
   V(NumberMultiply, Operator::kCommutative, 2)             \
   V(NumberDivide, Operator::kNoProperties, 2)              \
@@ skipping 30 matching lines @@
   V(ObjectIsCallable, Operator::kNoProperties, 1)          \
   V(ObjectIsNumber, Operator::kNoProperties, 1)            \
   V(ObjectIsReceiver, Operator::kNoProperties, 1)          \
   V(ObjectIsSmi, Operator::kNoProperties, 1)               \
   V(ObjectIsString, Operator::kNoProperties, 1)            \
   V(ObjectIsUndetectable, Operator::kNoProperties, 1)      \
   V(StringEqual, Operator::kCommutative, 2)                \
   V(StringLessThan, Operator::kNoProperties, 2)            \
   V(StringLessThanOrEqual, Operator::kNoProperties, 2)
 
+#define CHECKED_OP_LIST(V) \
+  V(CheckedUint32ToInt32)  \
+  V(CheckedFloat64ToInt32) \
+  V(CheckedTaggedToInt32)  \
+  V(CheckedTaggedToFloat64)
+
 struct SimplifiedOperatorGlobalCache final {
 #define PURE(Name, properties, input_count)                                \
   struct Name##Operator final : public Operator {                          \
     Name##Operator()                                                       \
         : Operator(IrOpcode::k##Name, Operator::kPure | properties, #Name, \
                    input_count, 0, 0, 1, 0, 0) {}                          \
   };                                                                       \
   Name##Operator k##Name;
   PURE_OP_LIST(PURE)
 #undef PURE
 
+#define CHECKED(Name)                                                        \
+  struct Name##Operator final : public Operator {                            \
+    Name##Operator()                                                         \
+        : Operator(IrOpcode::k##Name, Operator::kNoThrow, #Name, 1, 1, 1, 1, \
+                   1, 1) {}                                                  \
+  };                                                                         \
+  Name##Operator k##Name;
+  CHECKED_OP_LIST(CHECKED)
+#undef CHECKED
+
   template <PretenureFlag kPretenure>
   struct AllocateOperator final : public Operator1<PretenureFlag> {
     AllocateOperator()
         : Operator1<PretenureFlag>(IrOpcode::kAllocate, Operator::kNoThrow,
                                    "Allocate", 1, 1, 1, 1, 1, 0, kPretenure) {}
   };
   AllocateOperator<NOT_TENURED> kAllocateNotTenuredOperator;
   AllocateOperator<TENURED> kAllocateTenuredOperator;
 
 #define BUFFER_ACCESS(Type, type, TYPE, ctype, size)                          \
@@ skipping 18 matching lines @@
 };
 
 
 static base::LazyInstance<SimplifiedOperatorGlobalCache>::type kCache =
     LAZY_INSTANCE_INITIALIZER;
 
 
 SimplifiedOperatorBuilder::SimplifiedOperatorBuilder(Zone* zone)
     : cache_(kCache.Get()), zone_(zone) {}
 
-
 #define GET_FROM_CACHE(Name, properties, input_count) \
   const Operator* SimplifiedOperatorBuilder::Name() { return &cache_.k##Name; }
 PURE_OP_LIST(GET_FROM_CACHE)
 #undef GET_FROM_CACHE
 
+#define GET_FROM_CACHE(Name) \
+  const Operator* SimplifiedOperatorBuilder::Name() { return &cache_.k##Name; }
+CHECKED_OP_LIST(GET_FROM_CACHE)
+#undef GET_FROM_CACHE
 
 const Operator* SimplifiedOperatorBuilder::ReferenceEqual(Type* type) {
   return new (zone()) Operator(IrOpcode::kReferenceEqual,
                                Operator::kCommutative | Operator::kPure,
                                "ReferenceEqual", 2, 0, 0, 1, 0, 0);
 }
 
 const Operator* SimplifiedOperatorBuilder::TypeGuard(Type* type) {
   class TypeGuardOperator final : public Operator1<Type*> {
    public:
@@ skipping 41 matching lines @@
 #define STORE_BUFFER(Type, type, TYPE, ctype, size) \
   case kExternal##Type##Array:                      \
     return &cache_.kStoreBuffer##Type;
     TYPED_ARRAYS(STORE_BUFFER)
 #undef STORE_BUFFER
   }
   UNREACHABLE();
   return nullptr;
 }
 
+const Operator* SimplifiedOperatorBuilder::SpeculativeNumberAdd(
+    BinaryOperationHints::Hint hint) {
+  return new (zone()) Operator1<BinaryOperationHints::Hint>(
+      IrOpcode::kSpeculativeNumberAdd, Operator::kNoThrow,
+      "SpeculativeNumberAdd", 2, 1, 1, 1, 1, 1, hint);
+}
+
+const Operator* SimplifiedOperatorBuilder::SpeculativeNumberSubtract(
+    BinaryOperationHints::Hint hint) {
+  return new (zone()) Operator1<BinaryOperationHints::Hint>(
+      IrOpcode::kSpeculativeNumberSubtract, Operator::kNoThrow,
+      "SpeculativeNumberSubtract", 2, 1, 1, 1, 1, 1, hint);
+}
 
 #define ACCESS_OP_LIST(V)                                    \
   V(LoadField, FieldAccess, Operator::kNoWrite, 1, 1, 1)     \
   V(StoreField, FieldAccess, Operator::kNoRead, 2, 1, 0)     \
   V(LoadElement, ElementAccess, Operator::kNoWrite, 2, 1, 1) \
   V(StoreElement, ElementAccess, Operator::kNoRead, 3, 1, 0)
 
 
 #define ACCESS(Name, Type, properties, value_input_count, control_input_count, \
                output_count)                                                   \
   const Operator* SimplifiedOperatorBuilder::Name(const Type& access) {        \
     return new (zone())                                                        \
         Operator1<Type>(IrOpcode::k##Name, Operator::kNoThrow | properties,    \
                         #Name, value_input_count, 1, control_input_count,      \
                         output_count, 1, 0, access);                           \
   }
 ACCESS_OP_LIST(ACCESS)
 #undef ACCESS
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8