[turbofan] Remove global InstructionOperand caches.

src/compiler/instruction.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/common-operator.h"
 #include "src/compiler/graph.h"
 #include "src/compiler/instruction.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 40 matching lines @@
     case InstructionOperand::DOUBLE_REGISTER:
       return os << "[" << conf->double_register_name(op.index()) << "|R]";
     case InstructionOperand::INVALID:
       return os << "(x)";
   }
   UNREACHABLE();
   return os;
 }
 
 
-template <InstructionOperand::Kind kOperandKind, int kNumCachedOperands>
-SubKindOperand<kOperandKind, kNumCachedOperands>*
-    SubKindOperand<kOperandKind, kNumCachedOperands>::cache = NULL;
-
-
-template <InstructionOperand::Kind kOperandKind, int kNumCachedOperands>
-void SubKindOperand<kOperandKind, kNumCachedOperands>::SetUpCache() {
-  if (cache) return;
-  cache = new SubKindOperand[kNumCachedOperands];
-  for (int i = 0; i < kNumCachedOperands; i++) {
-    cache[i].ConvertTo(kOperandKind, i);
-  }
-}
-
-
-template <InstructionOperand::Kind kOperandKind, int kNumCachedOperands>
-void SubKindOperand<kOperandKind, kNumCachedOperands>::TearDownCache() {
-  delete[] cache;
-  cache = NULL;
-}
-
-
-void InstructionOperand::SetUpCaches() {
-#define INSTRUCTION_OPERAND_SETUP(name, type, number) \
-  name##Operand::SetUpCache();
-  INSTRUCTION_OPERAND_LIST(INSTRUCTION_OPERAND_SETUP)
-#undef INSTRUCTION_OPERAND_SETUP
-}
-
-
-void InstructionOperand::TearDownCaches() {
-#define INSTRUCTION_OPERAND_TEARDOWN(name, type, number) \
-  name##Operand::TearDownCache();
-  INSTRUCTION_OPERAND_LIST(INSTRUCTION_OPERAND_TEARDOWN)
-#undef INSTRUCTION_OPERAND_TEARDOWN
-}
-
-
 std::ostream& operator<<(std::ostream& os,
                          const PrintableMoveOperands& printable) {
   const MoveOperands& mo = *printable.move_operands_;
   PrintableInstructionOperand printable_op = {printable.register_configuration_,
                                               mo.destination()};
 
   os << printable_op;
   if (!mo.source()->Equals(mo.destination())) {
     printable_op.op_ = mo.source();
     os << " = " << printable_op;
@@ skipping 372 matching lines @@
       pointer_maps_(zone()),
       doubles_(std::less<int>(), VirtualRegisterSet::allocator_type(zone())),
       references_(std::less<int>(), VirtualRegisterSet::allocator_type(zone())),
       deoptimization_entries_(zone()) {
   block_starts_.reserve(instruction_blocks_->size());
 }
 
 
 int InstructionSequence::NextVirtualRegister() {
   int virtual_register = next_virtual_register_++;
-  CHECK_NE(virtual_register, UnallocatedOperand::kInvalidVirtualRegister);
+  CHECK_NE(virtual_register, InstructionOperand::kInvalidVirtualRegister);
   return virtual_register;
 }
 
 
 GapInstruction* InstructionSequence::GetBlockStart(
     BasicBlock::RpoNumber rpo) const {
   const InstructionBlock* block = InstructionBlockAt(rpo);
   return GapInstruction::cast(InstructionAt(block->code_start()));
 }
 
@@ skipping 227 matching lines @@
       os << " B" << succ_block->id();
     }
     os << "\n";
   }
   return os;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8