Remove the redundant flags is_bound_ and is_linked_ from the...

src/jump-target.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 24 matching lines @@
 
 // -------------------------------------------------------------------------
 // JumpTarget implementation.
 
 bool JumpTarget::compiling_deferred_code_ = false;
 
 
 JumpTarget::JumpTarget(CodeGenerator* cgen, Directionality direction)
     : cgen_(cgen),
       direction_(direction),
-      is_bound_(false),
-      is_linked_(false),
       reaching_frames_(0),
       merge_labels_(0),
       entry_frame_(NULL) {
   ASSERT(cgen != NULL);
   masm_ = cgen->masm();
 }
 
 
 JumpTarget::JumpTarget()
     : cgen_(NULL),
       masm_(NULL),
       direction_(FORWARD_ONLY),
-      is_bound_(false),
-      is_linked_(false),
       reaching_frames_(0),
       merge_labels_(0),
       entry_frame_(NULL) {
 }
 
 
 void JumpTarget::Initialize(CodeGenerator* cgen, Directionality direction) {
   ASSERT(cgen != NULL);
   ASSERT(cgen_ == NULL);
   cgen_ = cgen;
   masm_ = cgen->masm();
   direction_ = direction;
 }
 
 
 void JumpTarget::Unuse() {
   reaching_frames_.Clear();
   merge_labels_.Clear();
   entry_frame_ = NULL;
   entry_label_.Unuse();
-  is_bound_ = false;
-  is_linked_ = false;
 }
 
 
 void JumpTarget::ComputeEntryFrame(int mergable_elements) {
   // Given: a collection of frames reaching by forward CFG edges and
   // the directionality of the block.  Compute: an entry frame for the
   // block.
 
   Counters::compute_entry_frame.Increment();
 #ifdef DEBUG
@@ skipping 447 matching lines @@
   destination->direction_ = direction_;
   destination->reaching_frames_.Clear();
   destination->merge_labels_.Clear();
   ASSERT(reaching_frames_.length() == merge_labels_.length());
   for (int i = 0; i < reaching_frames_.length(); i++) {
     destination->reaching_frames_.Add(reaching_frames_[i]);
     destination->merge_labels_.Add(merge_labels_[i]);
   }
   destination->entry_frame_ = entry_frame_;
   destination->entry_label_ = entry_label_;
-  destination->is_bound_ = is_bound_;
-  destination->is_linked_ = is_linked_;
   destination->expected_height_ = expected_height_;
 }
 
 
 void BreakTarget::Jump() {
   ASSERT(cgen_ != NULL);
   ASSERT(cgen_->has_valid_frame());
 
   // Drop leftover statement state from the frame before merging.
   cgen_->frame()->ForgetElements(cgen_->frame()->height() - expected_height_);
@@ skipping 117 matching lines @@
   temp.CopyTo(this);
   temp.Unuse();
 
 #ifdef DEBUG
   is_shadowing_ = false;
 #endif
 }
 
 
 } }  // namespace v8::internal