webkitgtk-2.4.11webkitgtk-2.4.11

1 files changed, 13 insertions, 10 deletions

diff --git a/Source/JavaScriptCore/dfg/DFGInvalidationPointInjectionPhase.cpp b/Source/JavaScriptCore/dfg/DFGInvalidationPointInjectionPhase.cpp
index 9228001cc..d71a7cbda 100644
--- a/Source/JavaScriptCore/dfg/DFGInvalidationPointInjectionPhase.cpp
+++ b/Source/JavaScriptCore/dfg/DFGInvalidationPointInjectionPhase.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013, 2014 Apple Inc. All rights reserved.
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -28,12 +28,11 @@
 
 #if ENABLE(DFG_JIT)
 
-#include "DFGBlockSetInlines.h"
 #include "DFGClobberize.h"
 #include "DFGGraph.h"
 #include "DFGInsertionSet.h"
 #include "DFGPhase.h"
-#include "JSCInlines.h"
+#include "Operations.h"
 
 namespace JSC { namespace DFG {
 
@@ -51,7 +50,7 @@ public:
     {
         ASSERT(m_graph.m_form != SSA);
         
-        BlockSet blocksThatNeedInvalidationPoints;
+        BitVector blocksThatNeedInvalidationPoints;
         
         for (BlockIndex blockIndex = m_graph.numBlocks(); blockIndex--;) {
             BasicBlock* block = m_graph.block(blockIndex);
@@ -64,13 +63,17 @@ public:
             // Note: this assumes that control flow occurs at bytecode instruction boundaries.
             if (m_originThatHadFire.isSet()) {
                 for (unsigned i = block->numSuccessors(); i--;)
-                    blocksThatNeedInvalidationPoints.add(block->successor(i));
+                    blocksThatNeedInvalidationPoints.set(block->successor(i)->index);
             }
             
             m_insertionSet.execute(block);
         }
-
-        for (BasicBlock* block : blocksThatNeedInvalidationPoints.iterable(m_graph)) {
+        
+        for (BlockIndex blockIndex = m_graph.numBlocks(); blockIndex--;) {
+            if (!blocksThatNeedInvalidationPoints.get(blockIndex))
+                continue;
+            
+            BasicBlock* block = m_graph.block(blockIndex);
             insertInvalidationCheck(0, block->at(0));
             m_insertionSet.execute(block);
         }
@@ -81,18 +84,18 @@ public:
 private:
     void handle(unsigned nodeIndex, Node* node)
     {
-        if (m_originThatHadFire.isSet() && m_originThatHadFire != node->origin.forExit) {
+        if (m_originThatHadFire.isSet() && m_originThatHadFire != node->codeOrigin) {
             insertInvalidationCheck(nodeIndex, node);
             m_originThatHadFire = CodeOrigin();
         }
         
         if (writesOverlap(m_graph, node, Watchpoint_fire))
-            m_originThatHadFire = node->origin.forExit;
+            m_originThatHadFire = node->codeOrigin;
     }
     
     void insertInvalidationCheck(unsigned nodeIndex, Node* node)
     {
-        m_insertionSet.insertNode(nodeIndex, SpecNone, InvalidationPoint, node->origin);
+        m_insertionSet.insertNode(nodeIndex, SpecNone, InvalidationPoint, node->codeOrigin);
     }
     
     CodeOrigin m_originThatHadFire;