Tiny change flags cleanups.

src/hydrogen.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 1364 matching lines @@
 
 
 void HGlobalValueNumberer::ComputeBlockSideEffects() {
   for (int i = graph_->blocks()->length() - 1; i >= 0; --i) {
     // Compute side effects for the block.
     HBasicBlock* block = graph_->blocks()->at(i);
     HInstruction* instr = block->first();
     int id = block->block_id();
     int side_effects = 0;
     while (instr != NULL) {
-      side_effects |= (instr->flags() & HValue::ChangesFlagsMask());
+      side_effects |= instr->ChangesFlags();
       instr = instr->next();
     }
     block_side_effects_[id] |= side_effects;
 
     // Loop headers are part of their loop.
     if (block->IsLoopHeader()) {
       loop_side_effects_[id] |= side_effects;
     }
 
     // Propagate loop side effects upwards.
@@ skipping 96 matching lines @@
 
   // If this is a loop header kill everything killed by the loop.
   if (block->IsLoopHeader()) {
     map->Kill(loop_side_effects_[block->block_id()]);
   }
 
   // Go through all instructions of the current block.
   HInstruction* instr = block->first();
   while (instr != NULL) {
     HInstruction* next = instr->next();
-    int flags = (instr->flags() & HValue::ChangesFlagsMask());
+    int flags = instr->ChangesFlags();
     if (flags != 0) {
       ASSERT(!instr->CheckFlag(HValue::kUseGVN));
       // Clear all instructions in the map that are affected by side effects.
       map->Kill(flags);
       TraceGVN("Instruction %d kills\n", instr->id());
     } else if (instr->CheckFlag(HValue::kUseGVN)) {
       HValue* other = map->Lookup(instr);
       if (other != NULL) {
         ASSERT(instr->Equals(other) && other->Equals(instr));
         TraceGVN("Replacing value %d (%s) with value %d (%s)\n",
@@ skipping 5250 matching lines @@
     }
   }
 
 #ifdef DEBUG
   if (graph_ != NULL) graph_->Verify();
   if (allocator_ != NULL) allocator_->Verify();
 #endif
 }
 
 } }  // namespace v8::internal