Experimental: statically distinguish between named basic block entries...

src/codegen.cc

 // Copyright 2007-2008 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 23 matching lines @@
 #include "scopeinfo.h"
 #include "runtime.h"
 #include "stub-cache.h"
 
 namespace v8 { namespace internal {
 
 DeferredCode::DeferredCode(CodeGenerator* generator)
   : masm_(generator->masm()),
     generator_(generator),
     enter_(generator),
-    exit_(generator),
+    exit_(generator, JumpTarget::BIDIRECTIONAL),
     statement_position_(masm_->current_statement_position()),
     position_(masm_->current_position()) {
   generator->AddDeferred(this);
   ASSERT(statement_position_ != RelocInfo::kNoPosition);
   ASSERT(position_ != RelocInfo::kNoPosition);
 #ifdef DEBUG
   comment_ = "";
 #endif
 }
 
@@ skipping 323 matching lines @@
                                                     int default_index) {
   ZoneList<CaseClause*>* cases = node->cases();
   int length = cases->length();
 
   // JumpTarget pointer per number in range.
   SmartPointer<JumpTarget*> case_targets(NewArray<JumpTarget*>(range));
 
   // JumpTarget per switch case.
   SmartPointer<JumpTarget> case_labels(NewArray<JumpTarget>(length));
   for (int i = 0; i < length; i++) {
-    case_labels[i].set_code_generator(this);
+    case_labels[i].Initialize(this);
   }
 
   JumpTarget* fail_label = default_index >= 0 ? &(case_labels[default_index])
                                               : node->break_target();
 
   // Populate array of label pointers for each number in the range.
   // Initally put the failure label everywhere.
   for (int i = 0; i < range; i++) {
     case_targets[i] = fail_label;
   }
@@ skipping 128 matching lines @@
 void ArgumentsAccessStub::Generate(MacroAssembler* masm) {
   switch (type_) {
     case READ_LENGTH: GenerateReadLength(masm); break;
     case READ_ELEMENT: GenerateReadElement(masm); break;
     case NEW_OBJECT: GenerateNewObject(masm); break;
   }
 }
 
 
 } }  // namespace v8::internal