Implement local load/store elimination on basic blocks.

src/hydrogen-load-elimination.h

Index: src/hydrogen-load-elimination.h
diff --git a/src/hydrogen-sce.h b/src/hydrogen-load-elimination.h
similarity index 85%
copy from src/hydrogen-sce.h
copy to src/hydrogen-load-elimination.h
index 55e153e0ed5ee3481669ee5c991f81238d51176e..7ccc413232a8526acdd2b2130b2f5959969a1350 100644
--- a/src/hydrogen-sce.h
+++ b/src/hydrogen-load-elimination.h
@@ -25,24 +25,24 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#ifndef V8_HYDROGEN_SCE_H_
-#define V8_HYDROGEN_SCE_H_
+#ifndef V8_LOAD_ELIMINATION_H_

[Michael Starzinger, 2013/09/12 20:04:25]

nit: s/V8_LOAD_ELIMINATION_H_/V8_HYDROGEN_LOAD_ELIMINATION_H_/

+#define V8_LOAD_ELIMINATION_H_
 
 #include "hydrogen.h"
 
 namespace v8 {
 namespace internal {
 
-
-class HStackCheckEliminationPhase : public HPhase {
+class HLoadEliminationPhase : public HPhase {
  public:
-  explicit HStackCheckEliminationPhase(HGraph* graph)
-      : HPhase("H_Stack check elimination", graph) { }
+  explicit HLoadEliminationPhase(HGraph* graph)
+      : HPhase("H_Load elimination", graph) { }
 
   void Run();
+  void EliminateLoads(HBasicBlock* block);

[Michael Starzinger, 2013/09/12 20:04:25]

nit: Can we make EliminateLoads() private?

 };
 
 
 } }  // namespace v8::internal
 
-#endif  // V8_HYDROGEN_SCE_H_
+#endif  // V8_LOAD_ELIMINATION_H_