[crankshaft] Fragmentation-free allocation folding.

src/crankshaft/hydrogen.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_CRANKSHAFT_HYDROGEN_H_
 #define V8_CRANKSHAFT_HYDROGEN_H_
 
 #include "src/accessors.h"
 #include "src/allocation.h"
 #include "src/ast/ast.h"
@@ skipping 1772 matching lines @@
       FILL_WITH_HOLE
     };
 
     ElementsKind kind() { return kind_; }
     HAllocate* elements_location() { return elements_location_; }
 
     HAllocate* AllocateEmptyArray();
     HAllocate* AllocateArray(HValue* capacity,
                              HValue* length_field,
                              FillMode fill_mode = FILL_WITH_HOLE);
-    // Use these allocators when capacity could be unknown at compile time
-    // but its limit is known. For constant |capacity| the value of
-    // |capacity_upper_bound| is ignored and the actual |capacity|
-    // value is used as an upper bound.
-    HAllocate* AllocateArray(HValue* capacity,
-                             int capacity_upper_bound,
-                             HValue* length_field,
-                             FillMode fill_mode = FILL_WITH_HOLE);
-    HAllocate* AllocateArray(HValue* capacity,
-                             HConstant* capacity_upper_bound,
-                             HValue* length_field,
-                             FillMode fill_mode = FILL_WITH_HOLE);
     HValue* GetElementsLocation() { return elements_location_; }
     HValue* EmitMapCode();
 
    private:
     Zone* zone() const { return builder_->zone(); }
     int elements_size() const {
       return IsFastDoubleElementsKind(kind_) ? kDoubleSize : kPointerSize;
     }
     HGraphBuilder* builder() { return builder_; }
     HGraph* graph() { return builder_->graph(); }
@@ skipping 1299 matching lines @@
   }
 
  private:
   HOptimizedGraphBuilder* builder_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_HYDROGEN_H_