[interpreter] Merge {OsrPoll} with {Jump} bytecode.

src/interpreter/bytecode-array-builder.cc

 // Copyright 2015 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/interpreter/bytecode-array-builder.h"
 
 #include "src/globals.h"
 #include "src/interpreter/bytecode-array-writer.h"
 #include "src/interpreter/bytecode-dead-code-optimizer.h"
 #include "src/interpreter/bytecode-label.h"
@@ skipping 434 matching lines @@
   return *this;
 }
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::Bind(const BytecodeLabel& target,
                                                  BytecodeLabel* label) {
   pipeline_->BindLabel(target, label);
   LeaveBasicBlock();
   return *this;
 }
 
-BytecodeArrayBuilder& BytecodeArrayBuilder::OutputJump(Bytecode jump_bytecode,
+BytecodeArrayBuilder& BytecodeArrayBuilder::OutputJump(BytecodeNode* node,
                                                        BytecodeLabel* label) {
-  BytecodeNode node(jump_bytecode, 0);
-  AttachSourceInfo(&node);
-  pipeline_->WriteJump(&node, label);
+  AttachSourceInfo(node);
+  pipeline_->WriteJump(node, label);
   LeaveBasicBlock();
   return *this;
 }
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::Jump(BytecodeLabel* label) {
-  return OutputJump(Bytecode::kJump, label);
+  BytecodeNode node(Bytecode::kJump, 0);
+  return OutputJump(&node, label);
 }
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::JumpIfTrue(BytecodeLabel* label) {
   // The peephole optimizer attempts to simplify JumpIfToBooleanTrue
   // to JumpIfTrue.
-  return OutputJump(Bytecode::kJumpIfToBooleanTrue, label);
+  BytecodeNode node(Bytecode::kJumpIfToBooleanTrue, 0);
+  return OutputJump(&node, label);
 }
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::JumpIfFalse(BytecodeLabel* label) {
   // The peephole optimizer attempts to simplify JumpIfToBooleanFalse
   // to JumpIfFalse.
-  return OutputJump(Bytecode::kJumpIfToBooleanFalse, label);
+  BytecodeNode node(Bytecode::kJumpIfToBooleanFalse, 0);
+  return OutputJump(&node, label);
 }
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::JumpIfNull(BytecodeLabel* label) {
-  return OutputJump(Bytecode::kJumpIfNull, label);
+  BytecodeNode node(Bytecode::kJumpIfNull, 0);
+  return OutputJump(&node, label);
 }
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::JumpIfUndefined(
     BytecodeLabel* label) {
-  return OutputJump(Bytecode::kJumpIfUndefined, label);
+  BytecodeNode node(Bytecode::kJumpIfUndefined, 0);
+  return OutputJump(&node, label);
 }
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::JumpIfNotHole(
     BytecodeLabel* label) {
-  return OutputJump(Bytecode::kJumpIfNotHole, label);
+  BytecodeNode node(Bytecode::kJumpIfNotHole, 0);
+  return OutputJump(&node, label);
+}
+
+BytecodeArrayBuilder& BytecodeArrayBuilder::JumpLoop(BytecodeLabel* label,
+                                                     int loop_depth) {
+  BytecodeNode node(Bytecode::kJumpLoop, 0, UnsignedOperand(loop_depth));
+  return OutputJump(&node, label);
 }
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::StackCheck(int position) {
   if (position != kNoSourcePosition) {
     // We need to attach a non-breakable source position to a stack
     // check, so we simply add it as expression position. There can be
     // a prior statement position from constructs like:
     //
     //    do var x;  while (false);
     //
     // A Nop could be inserted for empty statements, but since no code
     // is associated with these positions, instead we force the stack
     // check's expression position which eliminates the empty
     // statement's position.
     latest_source_info_.ForceExpressionPosition(position);
   }
   Output(Bytecode::kStackCheck);
   return *this;
 }
 
-BytecodeArrayBuilder& BytecodeArrayBuilder::OsrPoll(int loop_depth) {
-  Output(Bytecode::kOsrPoll, UnsignedOperand(loop_depth));
-  return *this;
-}
-
 BytecodeArrayBuilder& BytecodeArrayBuilder::Throw() {
   Output(Bytecode::kThrow);
   return *this;
 }
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::ReThrow() {
   Output(Bytecode::kReThrow);
   return *this;
 }
 
@@ skipping 469 matching lines @@
       return Bytecode::kTailCall;
     default:
       UNREACHABLE();
   }
   return Bytecode::kIllegal;
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8