Refactor generating lazy deoptimization descriptors.

runtime/vm/intermediate_language_arm64.cc

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_ARM64.
 #if defined(TARGET_ARCH_ARM64)
 
 #include "vm/intermediate_language.h"
 
 #include "vm/dart_entry.h"
@@ skipping 204 matching lines @@
   // R4: Arguments descriptor.
   // R0: Function.
   ASSERT(locs()->in(0).reg() == R0);
   __ LoadFieldFromOffset(R2, R0, Function::instructions_offset(), PP);
 
   // R2: instructions.
   // R5: Smi 0 (no IC data; the lazy-compile stub expects a GC-safe value).
   __ LoadImmediate(R5, 0, PP);
   __ AddImmediate(R2, R2, Instructions::HeaderSize() - kHeapObjectTag, PP);
   __ blr(R2);
-  compiler->AddCurrentDescriptor(RawPcDescriptors::kClosureCall,
-                                 deopt_id(),
-                                 token_pos());
-  compiler->RecordSafepoint(locs());
-  // Marks either the continuation point in unoptimized code or the
-  // deoptimization point in optimized code, after call.
-  const intptr_t deopt_id_after = Isolate::ToDeoptAfter(deopt_id());
-  if (compiler->is_optimizing()) {
-    compiler->AddDeoptIndexAtCall(deopt_id_after, token_pos());
-  } else {
-    // Add deoptimization continuation point after the call and before the
-    // arguments are removed.
-    compiler->AddCurrentDescriptor(RawPcDescriptors::kDeopt,
-                                   deopt_id_after,
-                                   token_pos());
-  }
+  compiler->RecordCallInfo(token_pos(),
+                           RawPcDescriptors::kClosureCall,
+                           deopt_id(),
+                           locs(),
+                           locs->input_count());
   __ Drop(argument_count);
 }
 
 
 LocationSummary* LoadLocalInstr::MakeLocationSummary(Isolate* isolate,
                                                      bool opt) const {
   return LocationSummary::Make(isolate,
                                0,
                                Location::RequiresRegister(),
                                LocationSummary::kNoCall);
@@ skipping 5285 matching lines @@
   compiler->GenerateCall(token_pos(), &label, stub_kind_, locs());
 #if defined(DEBUG)
   __ LoadImmediate(R4, kInvalidObjectPointer, kNoPP);
   __ LoadImmediate(R5, kInvalidObjectPointer, kNoPP);
 #endif
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64