[turbofan] Desugar JSUnaryNot(x) to Select(x, false, true).

src/compiler/js-operator.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/js-operator.h"
 
 #include <limits>
 
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
@@ skipping 468 matching lines @@
          op->opcode() == IrOpcode::kJSCreateLiteralRegExp);
   return OpParameter<CreateLiteralParameters>(op);
 }
 
 
 #define CACHED_OP_LIST(V)                             \
   V(Equal, Operator::kNoProperties, 2, 1)             \
   V(NotEqual, Operator::kNoProperties, 2, 1)          \
   V(StrictEqual, Operator::kNoThrow, 2, 1)            \
   V(StrictNotEqual, Operator::kNoThrow, 2, 1)         \
-  V(UnaryNot, Operator::kEliminatable, 1, 1)          \
   V(ToBoolean, Operator::kEliminatable, 1, 1)         \
   V(ToNumber, Operator::kNoProperties, 1, 1)          \
   V(ToString, Operator::kNoProperties, 1, 1)          \
   V(ToName, Operator::kNoProperties, 1, 1)            \
   V(ToObject, Operator::kNoProperties, 1, 1)          \
   V(Yield, Operator::kNoProperties, 1, 1)             \
   V(Create, Operator::kEliminatable, 2, 1)            \
   V(HasProperty, Operator::kNoProperties, 2, 1)       \
   V(TypeOf, Operator::kEliminatable, 1, 1)            \
   V(InstanceOf, Operator::kNoProperties, 2, 1)        \
@@ skipping 486 matching lines @@
   return new (zone()) Operator1<Handle<ScopeInfo>>(               // --
       IrOpcode::kJSCreateScriptContext, Operator::kNoProperties,  // opcode
       "JSCreateScriptContext",                                    // name
       1, 1, 1, 1, 1, 2,                                           // counts
       scpope_info);                                               // parameter
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8