[turbofan] Type feedback for numeric comparisons.

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 205 matching lines @@
   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);
 }
 
+CompareOperationHints::Hint CompareOperationHintOf(const Operator* op) {
+  DCHECK(op->opcode() == IrOpcode::kSpeculativeNumberEqual ||
+         op->opcode() == IrOpcode::kSpeculativeNumberLessThan ||
+         op->opcode() == IrOpcode::kSpeculativeNumberLessThanOrEqual);
+  return OpParameter<CompareOperationHints::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 254 matching lines @@
       2, 1, 1, 1, 1, 1, hint);
 }
 
 const Operator* SimplifiedOperatorBuilder::SpeculativeNumberSubtract(
     BinaryOperationHints::Hint hint) {
   return new (zone()) Operator1<BinaryOperationHints::Hint>(
       IrOpcode::kSpeculativeNumberSubtract, Operator::kPure,
       "SpeculativeNumberSubtract", 2, 1, 1, 1, 1, 1, hint);
 }
 
+const Operator* SimplifiedOperatorBuilder::SpeculativeNumberEqual(
+    CompareOperationHints::Hint hint) {
+  return new (zone()) Operator1<CompareOperationHints::Hint>(
+      IrOpcode::kSpeculativeNumberEqual, Operator::kPure,
+      "SpeculativeNumberEqual", 2, 1, 1, 1, 1, 1, hint);
+}
+
+const Operator* SimplifiedOperatorBuilder::SpeculativeNumberLessThan(
+    CompareOperationHints::Hint hint) {
+  return new (zone()) Operator1<CompareOperationHints::Hint>(
+      IrOpcode::kSpeculativeNumberLessThan, Operator::kPure,
+      "SpeculativeNumberLessThan", 2, 1, 1, 1, 1, 1, hint);
+}
+
+const Operator* SimplifiedOperatorBuilder::SpeculativeNumberLessThanOrEqual(
+    CompareOperationHints::Hint hint) {
+  return new (zone()) Operator1<CompareOperationHints::Hint>(
+      IrOpcode::kSpeculativeNumberLessThanOrEqual, Operator::kPure,
+      "SpeculativeNumberLessThanOrEqual", 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