[Interpreter] Assign feedback slots for binary operations and use them in ignition.

test/unittests/interpreter/bytecode-dead-code-optimizer-unittest.cc

 // Copyright 2016 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/v8.h"
 
 #include "src/interpreter/bytecode-dead-code-optimizer.h"
 #include "src/interpreter/bytecode-label.h"
 #include "src/objects.h"
 #include "test/unittests/test-utils.h"
@@ skipping 32 matching lines @@
   const BytecodeNode& last_written() const { return last_written_; }
 
  private:
   BytecodeDeadCodeOptimizer dead_code_optimizer_;
 
   int write_count_ = 0;
   BytecodeNode last_written_;
 };
 
 TEST_F(BytecodeDeadCodeOptimizerTest, LiveCodeKept) {
-  BytecodeNode add(Bytecode::kAdd, Register(0).ToOperand());
+  BytecodeNode add(Bytecode::kAdd, Register(0).ToOperand(), 1);
   optimizer()->Write(&add);
   CHECK_EQ(write_count(), 1);
   CHECK_EQ(add, last_written());
 
   BytecodeLabel target;
   BytecodeNode jump(Bytecode::kJump, 0);
   optimizer()->WriteJump(&jump, &target);
   CHECK_EQ(write_count(), 2);
   CHECK_EQ(jump, last_written());
 }
 
 TEST_F(BytecodeDeadCodeOptimizerTest, DeadCodeAfterReturnEliminated) {
   BytecodeNode ret(Bytecode::kReturn);
   optimizer()->Write(&ret);
   CHECK_EQ(write_count(), 1);
   CHECK_EQ(ret, last_written());
 
-  BytecodeNode add(Bytecode::kAdd, Register(0).ToOperand());
+  BytecodeNode add(Bytecode::kAdd, Register(0).ToOperand(), 1);
   optimizer()->Write(&add);
   CHECK_EQ(write_count(), 1);
   CHECK_EQ(ret, last_written());
 }
 
 TEST_F(BytecodeDeadCodeOptimizerTest, DeadCodeAfterThrowEliminated) {
   BytecodeNode thrw(Bytecode::kThrow);
   optimizer()->Write(&thrw);
   CHECK_EQ(write_count(), 1);
   CHECK_EQ(thrw, last_written());
 
-  BytecodeNode add(Bytecode::kAdd, Register(0).ToOperand());
+  BytecodeNode add(Bytecode::kAdd, Register(0).ToOperand(), 1);
   optimizer()->Write(&add);
   CHECK_EQ(write_count(), 1);
   CHECK_EQ(thrw, last_written());
 }
 
 TEST_F(BytecodeDeadCodeOptimizerTest, DeadCodeAfterReThrowEliminated) {
   BytecodeNode rethrow(Bytecode::kReThrow);
   optimizer()->Write(&rethrow);
   CHECK_EQ(write_count(), 1);
   CHECK_EQ(rethrow, last_written());
 
-  BytecodeNode add(Bytecode::kAdd, Register(0).ToOperand());
+  BytecodeNode add(Bytecode::kAdd, Register(0).ToOperand(), 1);
   optimizer()->Write(&add);
   CHECK_EQ(write_count(), 1);
   CHECK_EQ(rethrow, last_written());
 }
 
 TEST_F(BytecodeDeadCodeOptimizerTest, DeadCodeAfterJumpEliminated) {
   BytecodeLabel target;
   BytecodeNode jump(Bytecode::kJump, 0);
   optimizer()->WriteJump(&jump, &target);
   CHECK_EQ(write_count(), 1);
   CHECK_EQ(jump, last_written());
 
-  BytecodeNode add(Bytecode::kAdd, Register(0).ToOperand());
+  BytecodeNode add(Bytecode::kAdd, Register(0).ToOperand(), 1);
   optimizer()->Write(&add);
   CHECK_EQ(write_count(), 1);
   CHECK_EQ(jump, last_written());
 }
 
 TEST_F(BytecodeDeadCodeOptimizerTest, DeadCodeStillDeadAfterConditinalJump) {
   BytecodeNode ret(Bytecode::kReturn);
   optimizer()->Write(&ret);
   CHECK_EQ(write_count(), 1);
   CHECK_EQ(ret, last_written());
 
   BytecodeLabel target;
   BytecodeNode jump(Bytecode::kJumpIfTrue, 0);
   optimizer()->WriteJump(&jump, &target);
   CHECK_EQ(write_count(), 1);
   CHECK_EQ(ret, last_written());
 
-  BytecodeNode add(Bytecode::kAdd, Register(0).ToOperand());
+  BytecodeNode add(Bytecode::kAdd, Register(0).ToOperand(), 1);
   optimizer()->Write(&add);
   CHECK_EQ(write_count(), 1);
   CHECK_EQ(ret, last_written());
 }
 
 TEST_F(BytecodeDeadCodeOptimizerTest, CodeLiveAfterLabelBind) {
   BytecodeNode ret(Bytecode::kReturn);
   optimizer()->Write(&ret);
   CHECK_EQ(write_count(), 1);
   CHECK_EQ(ret, last_written());
 
   BytecodeLabel target;
   optimizer()->BindLabel(&target);
 
-  BytecodeNode add(Bytecode::kAdd, Register(0).ToOperand());
+  BytecodeNode add(Bytecode::kAdd, Register(0).ToOperand(), 1);
   optimizer()->Write(&add);
   CHECK_EQ(write_count(), 2);
   CHECK_EQ(add, last_written());
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8