[turbofan] Initial version of number type feedback.

src/compiler/opcodes.h

 // Copyright 2013 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.
 
 #ifndef V8_COMPILER_OPCODES_H_
 #define V8_COMPILER_OPCODES_H_
 
 #include <iosfwd>
 
 // Opcodes for control operators.
@@ skipping 159 matching lines @@
   V(NumberLessThanOrEqual)               \
   V(ReferenceEqual)                      \
   V(StringEqual)                         \
   V(StringLessThan)                      \
   V(StringLessThanOrEqual)
 
 #define SIMPLIFIED_OP_LIST(V)      \
   SIMPLIFIED_COMPARE_BINOP_LIST(V) \
   V(BooleanNot)                    \
   V(BooleanToNumber)               \
+  V(SpeculativeNumberAdd)          \
+  V(SpeculativeNumberSubtract)     \
   V(NumberAdd)                     \
   V(NumberSubtract)                \
   V(NumberMultiply)                \
   V(NumberDivide)                  \
   V(NumberModulus)                 \
   V(NumberBitwiseOr)               \
   V(NumberBitwiseXor)              \
   V(NumberBitwiseAnd)              \
   V(NumberShiftLeft)               \
   V(NumberShiftRight)              \
@@ skipping 123 matching lines @@
   V(RoundInt32ToFloat32)        \
   V(RoundInt64ToFloat32)        \
   V(RoundInt64ToFloat64)        \
   V(RoundUint32ToFloat32)       \
   V(RoundUint64ToFloat32)       \
   V(RoundUint64ToFloat64)       \
   V(BitcastFloat32ToInt32)      \
   V(BitcastFloat64ToInt64)      \
   V(BitcastInt32ToFloat32)      \
   V(BitcastInt64ToFloat64)      \
+  V(CheckedUint32ToInt32)       \

[Benedikt Meurer, 2016/05/30 18:39:50]

These should really be simplified operators.

[Jarin, 2016/05/31 20:28:53]

Done.

+  V(CheckedFloat64ToInt32)      \
+  V(CheckedTaggedToInt32)       \
+  V(CheckedTaggedToFloat64)     \
   V(Float32Add)                 \
   V(Float32Sub)                 \
   V(Float32SubPreserveNan)      \
   V(Float32Mul)                 \
   V(Float32Div)                 \
   V(Float32Max)                 \
   V(Float32Min)                 \
   V(Float32Abs)                 \
   V(Float32Sqrt)                \
   V(Float32RoundDown)           \
@@ skipping 297 matching lines @@
   }
 };
 
 std::ostream& operator<<(std::ostream&, IrOpcode::Value);
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_OPCODES_H_