Eliminate no_frame_range data

src/compiler.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_COMPILER_H_
 #define V8_COMPILER_H_
 
 #include "src/allocation.h"
 #include "src/ast.h"
 #include "src/bailout-reason.h"
 #include "src/compilation-dependencies.h"
 #include "src/signature.h"
 #include "src/zone.h"
 
 namespace v8 {
 namespace internal {
 
 class AstValueFactory;
 class HydrogenCodeStub;
 class JavaScriptFrame;
 class ParseInfo;
 class ScriptData;
 
-struct OffsetRange {
-  OffsetRange(int from, int to) : from(from), to(to) {}
-  int from;
-  int to;
-};
-
 
 // This class encapsulates encoding and decoding of sources positions from
 // which hydrogen values originated.
 // When FLAG_track_hydrogen_positions is set this object encodes the
 // identifier of the inlining and absolute offset from the start of the
 // inlined function.
 // When the flag is not set we simply track absolute offset from the
 // script start.
 class SourcePosition {
  public:
@@ skipping 314 matching lines @@
   int prologue_offset() const {
     DCHECK_NE(Code::kPrologueOffsetNotSet, prologue_offset_);
     return prologue_offset_;
   }
 
   void set_prologue_offset(int prologue_offset) {
     DCHECK_EQ(Code::kPrologueOffsetNotSet, prologue_offset_);
     prologue_offset_ = prologue_offset;
   }
 
-  // Adds offset range [from, to) where fp register does not point
-  // to the current frame base. Used in CPU profiler to detect stack
-  // samples where top frame is not set up.
-  inline void AddNoFrameRange(int from, int to) {
-    if (no_frame_ranges_) no_frame_ranges_->Add(OffsetRange(from, to));
-  }
-
-  List<OffsetRange>* ReleaseNoFrameRanges() {
-    List<OffsetRange>* result = no_frame_ranges_;
-    no_frame_ranges_ = NULL;
-    return result;
-  }
-
   int start_position_for(uint32_t inlining_id) {
     return inlined_function_infos_.at(inlining_id).start_position;
   }
   const std::vector<InlinedFunctionInfo>& inlined_function_infos() {
     return inlined_function_infos_;
   }
 
   void LogDeoptCallPosition(int pc_offset, int inlining_id);
   int TraceInlinedFunction(Handle<SharedFunctionInfo> shared,
                            SourcePosition position, int pareint_id);
@@ skipping 97 matching lines @@
 
   DeferredHandles* deferred_handles_;
 
   // Dependencies for this compilation, e.g. stable maps.
   CompilationDependencies dependencies_;
 
   BailoutReason bailout_reason_;
 
   int prologue_offset_;
 
-  List<OffsetRange>* no_frame_ranges_;
   std::vector<InlinedFunctionInfo> inlined_function_infos_;
   bool track_positions_;
 
   InlinedFunctionList inlined_functions_;
 
   // A copy of shared_info()->opt_count() to avoid handle deref
   // during graph optimization.
   int opt_count_;
 
   // Number of parameters used for compilation of stubs that require arguments.
@@ skipping 208 matching lines @@
   size_t info_zone_start_allocation_size_;
   base::ElapsedTimer timer_;
 
   DISALLOW_COPY_AND_ASSIGN(CompilationPhase);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_H_