CpuProfiler: simplify inlined function info magic.

src/hydrogen.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/hydrogen.h"
 
 #include <sstream>
 
 #include "src/v8.h"
 
@@ skipping 3434 matching lines @@
       maximum_environment_size_(0),
       no_side_effects_scope_count_(0),
       disallow_adding_new_values_(false) {
   if (info->IsStub()) {
     CallInterfaceDescriptor descriptor =
         info->code_stub()->GetCallInterfaceDescriptor();
     start_environment_ = new (zone_)
         HEnvironment(zone_, descriptor.GetEnvironmentParameterCount());
   } else {
     if (FLAG_hydrogen_track_positions) {
-      info->TraceInlinedFunction(info->shared_info(),
-                                 SourcePosition::Unknown());
+      info->TraceInlinedFunction(info->shared_info(), SourcePosition::Unknown(),
+                                 InlinedFunctionInfo::kNoParentId);
     }
     start_environment_ =
         new(zone_) HEnvironment(NULL, info->scope(), info->closure(), zone_);
   }
   start_environment_->set_ast_id(BailoutId::FunctionEntry());
   entry_block_ = CreateBasicBlock();
   entry_block_->SetInitialEnvironment(start_environment_);
 }
 
 
@@ skipping 13 matching lines @@
     }
   }
 }
 
 
 int HGraph::SourcePositionToScriptPosition(SourcePosition pos) {
   if (!FLAG_hydrogen_track_positions || pos.IsUnknown()) {
     return pos.raw();
   }
 
-  const int id = info()->inlining_id_to_function_id()->at(pos.inlining_id());
-  return info()->inlined_function_infos()->at(id).start_position() +
-         pos.position();
+  return info()->inlined_function_infos()->at(pos.inlining_id())
+      .start_position + pos.position();
 }
 
 
 // Block ordering was implemented with two mutually recursive methods,
 // HGraph::Postorder and HGraph::PostorderLoopBlocks.
 // The recursion could lead to stack overflow so the algorithm has been
 // implemented iteratively.
 // At a high level the algorithm looks like this:
 //
 // Postorder(block, loop_header) : {
@@ skipping 4404 matching lines @@
   // ----------------------------------------------------------------
   // After this point, we've made a decision to inline this function (so
   // TryInline should always return true).
 
   // Type-check the inlined function.
   DCHECK(target_shared->has_deoptimization_support());
   AstTyper::Run(&target_info);
 
   int function_id = 0;
   if (FLAG_hydrogen_track_positions) {
-    function_id =
-        top_info()->TraceInlinedFunction(target_shared, source_position());
+    function_id = top_info()->TraceInlinedFunction(
+        target_shared, source_position(), function_state()->inlining_id());
   }
 
   // Save the pending call context. Set up new one for the inlined function.
   // The function state is new-allocated because we need to delete it
   // in two different places.
   FunctionState* target_state = new FunctionState(
       this, &target_info, inlining_kind, function_id);
 
   HConstant* undefined = graph()->GetConstantUndefined();
 
@@ skipping 5434 matching lines @@
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 } }  // namespace v8::internal