[turbolizer] Show operator properties and arity in tooltip.

src/compiler/operator.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_OPERATOR_H_
 #define V8_COMPILER_OPERATOR_H_
 
 #include <ostream>  // NOLINT(readability/streams)
 
 #include "src/base/flags.h"
@@ skipping 31 matching lines @@
     kNoRead = 1 << 3,       // Has no scheduling dependency on Effects
     kNoWrite = 1 << 4,      // Does not modify any Effects and thereby
                             // create new scheduling dependencies.
     kNoThrow = 1 << 5,      // Can never generate an exception.
     kNoDeopt = 1 << 6,      // Can never generate an eager deoptimization exit.
     kFoldable = kNoRead | kNoWrite,
     kKontrol = kNoDeopt | kFoldable | kNoThrow,
     kEliminatable = kNoDeopt | kNoWrite | kNoThrow,
     kPure = kNoDeopt | kNoRead | kNoWrite | kNoThrow | kIdempotent
   };
+
+// List of all bits, for the visualizer.
+#define OPERATOR_PROPERTY_LIST(V) \
+  V(Commutative)                  \
+  V(Associative) V(Idempotent) V(NoRead) V(NoWrite) V(NoThrow) V(NoDeopt)
+
   typedef base::Flags<Property, uint8_t> Properties;
   enum class PrintVerbosity { kVerbose, kSilent };
 
   // Constructor.
   Operator(Opcode opcode, Properties properties, const char* mnemonic,
            size_t value_in, size_t effect_in, size_t control_in,
            size_t value_out, size_t effect_out, size_t control_out);
 
   virtual ~Operator() {}
 
@@ skipping 53 matching lines @@
 
   // Print the full operator into the given stream, including any
   // static parameters. Useful for debugging and visualizing the IR.
   void PrintTo(std::ostream& os,
                PrintVerbosity verbose = PrintVerbosity::kVerbose) const {
     // We cannot make PrintTo virtual, because default arguments to virtual
     // methods are banned in the style guide.
     return PrintToImpl(os, verbose);
   }
 
+  void PrintPropsTo(std::ostream& os) const;
+
  protected:
   virtual void PrintToImpl(std::ostream& os, PrintVerbosity verbose) const;
 
  private:
   Opcode opcode_;
   Properties properties_;
   const char* mnemonic_;
   uint32_t value_in_;
   uint16_t effect_in_;
   uint16_t control_in_;
@@ skipping 101 matching lines @@
 template <>
 struct OpEqualTo<Handle<ScopeInfo>> : public Handle<ScopeInfo>::equal_to {};
 template <>
 struct OpHash<Handle<ScopeInfo>> : public Handle<ScopeInfo>::hash {};
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_OPERATOR_H_