Eliminate no_frame_range data

src/arm64/lithium-codegen-arm64.cc

 // Copyright 2013 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.
 
 #include "src/arm64/frames-arm64.h"
 #include "src/arm64/lithium-codegen-arm64.h"
 #include "src/arm64/lithium-gap-resolver-arm64.h"
 #include "src/base/bits.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 635 matching lines @@
 
   DCHECK(__ StackPointer().Is(jssp));
   info()->set_prologue_offset(masm_->pc_offset());
   if (NeedsEagerFrame()) {
     if (info()->IsStub()) {
       __ StubPrologue();
     } else {
       __ Prologue(info()->IsCodePreAgingActive());
     }
     frame_is_built_ = true;
-    info_->AddNoFrameRange(0, masm_->pc_offset());
   }
 
   // Reserve space for the stack slots needed by the code.
   int slots = GetStackSlotCount();
   if (slots > 0) {
     __ Claim(slots, kPointerSize);
   }
 
   if (info()->saves_caller_doubles()) {
     SaveCallerDoubles();
@@ skipping 3948 matching lines @@
     // safe to write to the context register.
     __ Push(x0);
     __ Ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
     __ CallRuntime(Runtime::kTraceExit, 1);
   }
 
   if (info()->saves_caller_doubles()) {
     RestoreCallerDoubles();
   }
 
-  int no_frame_start = -1;
   if (NeedsEagerFrame()) {
     Register stack_pointer = masm()->StackPointer();
     __ Mov(stack_pointer, fp);
-    no_frame_start = masm_->pc_offset();
     __ Pop(fp, lr);
   }
 
   if (instr->has_constant_parameter_count()) {
     int parameter_count = ToInteger32(instr->constant_parameter_count());
     __ Drop(parameter_count + 1);
   } else {
     DCHECK(info()->IsStub());  // Functions would need to drop one more value.
     Register parameter_count = ToRegister(instr->parameter_count());
     __ DropBySMI(parameter_count);
   }
   __ Ret();
-
-  if (no_frame_start != -1) {
-    info_->AddNoFrameRange(no_frame_start, masm_->pc_offset());
-  }
 }
 
 
 MemOperand LCodeGen::BuildSeqStringOperand(Register string,
                                            Register temp,
                                            LOperand* index,
                                            String::Encoding encoding) {
   if (index->IsConstantOperand()) {
     int offset = ToInteger32(LConstantOperand::cast(index));
     if (encoding == String::TWO_BYTE_ENCODING) {
@@ skipping 1356 matching lines @@
   Handle<ScopeInfo> scope_info = instr->scope_info();
   __ Push(scope_info);
   __ Push(ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 }  // namespace internal
 }  // namespace v8