Remove unnecessary IGNORE policy from Lithium operands.

src/lithium.cc

 // Copyright 2011 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 18 matching lines @@
 #include "lithium.h"
 
 namespace v8 {
 namespace internal {
 
 
 void LOperand::PrintTo(StringStream* stream) {
   LUnallocated* unalloc = NULL;
   switch (kind()) {
     case INVALID:
+      stream->Add("(0)");
+      break;
       break;

[Kevin Millikin (Chromium), 2012/01/24 02:06:56]

You promised to write some dead code at lunch, and here it is.

Extra break.

[fschneider, 2012/01/24 02:13:51]

Done :)

     case UNALLOCATED:
       unalloc = LUnallocated::cast(this);
       stream->Add("v%d", unalloc->virtual_register());
       switch (unalloc->policy()) {
         case LUnallocated::NONE:
           break;
         case LUnallocated::FIXED_REGISTER: {
           const char* register_name =
               Register::AllocationIndexToString(unalloc->fixed_index());
           stream->Add("(=%s)", register_name);
@@ skipping 13 matching lines @@
           break;
         case LUnallocated::WRITABLE_REGISTER:
           stream->Add("(WR)");
           break;
         case LUnallocated::SAME_AS_FIRST_INPUT:
           stream->Add("(1)");
           break;
         case LUnallocated::ANY:
           stream->Add("(-)");
           break;
-        case LUnallocated::IGNORE:
-          stream->Add("(0)");
-          break;
       }
       break;
     case CONSTANT_OPERAND:
       stream->Add("[constant:%d]", index());
       break;
     case STACK_SLOT:
       stream->Add("[stack:%d]", index());
       break;
     case DOUBLE_STACK_SLOT:
       stream->Add("[double_stack:%d]", index());
@@ skipping 122 matching lines @@
     case DICTIONARY_ELEMENTS:
     case NON_STRICT_ARGUMENTS_ELEMENTS:
       return kPointerSizeLog2;
   }
   UNREACHABLE();
   return 0;
 }
 
 
 } }  // namespace v8::internal