[turbofan] Introduce prediction for exception handlers.

src/compiler/common-operator.h

 // 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.
 
 #ifndef V8_COMPILER_COMMON_OPERATOR_H_
 #define V8_COMPILER_COMMON_OPERATOR_H_
 
 #include "src/compiler/frame-states.h"
 #include "src/compiler/machine-type.h"
 #include "src/unique.h"
@@ skipping 76 matching lines @@
 class CommonOperatorBuilder final : public ZoneObject {
  public:
   explicit CommonOperatorBuilder(Zone* zone);
 
   const Operator* Dead();
   const Operator* End(size_t control_input_count);
   const Operator* Branch(BranchHint = BranchHint::kNone);
   const Operator* IfTrue();
   const Operator* IfFalse();
   const Operator* IfSuccess();
-  const Operator* IfException();
+  const Operator* IfException(bool caught_locally = false);

[Benedikt Meurer, 2015/05/28 11:28:18]

Nit: Please don't use a bool here, but some enum.

[Michael Starzinger, 2015/05/28 12:33:43]

Done. Also removed the default argument as discussed offline.

   const Operator* Switch(size_t control_output_count);
   const Operator* IfValue(int32_t value);
   const Operator* IfDefault();
   const Operator* Throw();
   const Operator* Deoptimize();
   const Operator* Return();
   const Operator* Terminate();
 
   const Operator* Start(int num_formal_parameters);
   const Operator* Loop(int control_input_count);
@@ skipping 37 matching lines @@
   Zone* const zone_;
 
   DISALLOW_COPY_AND_ASSIGN(CommonOperatorBuilder);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_COMMON_OPERATOR_H_