[turbofan] Introduce prediction for exception handlers.

src/compiler/arm64/instruction-selector-arm64.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/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 1258 matching lines @@
       Emit(kArm64PokePair, g.NoOutput(),
            g.UseRegister(buffer.pushed_nodes[slot]),
            g.UseRegister(buffer.pushed_nodes[slot - 1]),
            g.TempImmediate(slot));
     }
   }
 
   // Pass label of exception handler block.
   CallDescriptor::Flags flags = descriptor->flags();
   if (handler != nullptr) {
+    DCHECK_EQ(IrOpcode::kIfException, handler->front()->opcode());
+    IfExceptionHint hint = OpParameter<IfExceptionHint>(handler->front());
+    if (hint == IfExceptionHint::kLocallyCaught) {
+      flags |= CallDescriptor::kHasLocalCatchHandler;
+    }
     flags |= CallDescriptor::kHasExceptionHandler;
     buffer.instruction_args.push_back(g.Label(handler));
   }
 
   // Select the appropriate opcode based on the call type.
   InstructionCode opcode;
   switch (descriptor->kind()) {
     case CallDescriptor::kCallCodeObject: {
       opcode = kArchCallCodeObject;
       break;
@@ skipping 611 matching lines @@
          MachineOperatorBuilder::kFloat64RoundTruncate |
          MachineOperatorBuilder::kFloat64RoundTiesAway |
          MachineOperatorBuilder::kWord32ShiftIsSafe |
          MachineOperatorBuilder::kInt32DivIsSafe |
          MachineOperatorBuilder::kUint32DivIsSafe;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8