[turbofan] Unify BooleanToNumber, StringToNumber and PlainPrimitiveToNumber.

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 183 matching lines @@
   V(ReferenceEqual)                      \
   V(StringEqual)                         \
   V(StringLessThan)                      \
   V(StringLessThanOrEqual)
 
 #define SIMPLIFIED_OTHER_OP_LIST(V)   \
   V(PlainPrimitiveToNumber)           \
   V(PlainPrimitiveToWord32)           \
   V(PlainPrimitiveToFloat64)          \
   V(BooleanNot)                       \
-  V(BooleanToNumber)                  \
   V(SpeculativeNumberAdd)             \
   V(SpeculativeNumberSubtract)        \
   V(SpeculativeNumberMultiply)        \
   V(SpeculativeNumberDivide)          \
   V(SpeculativeNumberModulus)         \
   V(SpeculativeNumberEqual)           \
   V(SpeculativeNumberLessThan)        \
   V(SpeculativeNumberLessThanOrEqual) \
   V(NumberAdd)                        \
   V(NumberSubtract)                   \
@@ skipping 34 matching lines @@
   V(NumberSin)                        \
   V(NumberSinh)                       \
   V(NumberSqrt)                       \
   V(NumberTan)                        \
   V(NumberTanh)                       \
   V(NumberTrunc)                      \
   V(NumberToInt32)                    \
   V(NumberToUint32)                   \
   V(NumberSilenceNaN)                 \
   V(StringFromCharCode)               \
-  V(StringToNumber)                   \
   V(CheckBounds)                      \
   V(CheckIf)                          \
   V(CheckNumber)                      \
   V(CheckTaggedPointer)               \
   V(CheckTaggedSigned)                \
   V(CheckFloat64Hole)                 \
   V(CheckTaggedHole)                  \
   V(Allocate)                         \
   V(LoadField)                        \
   V(LoadBuffer)                       \
@@ skipping 445 matching lines @@
   }
 };
 
 std::ostream& operator<<(std::ostream&, IrOpcode::Value);
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_OPCODES_H_