Emit deoptimization information at static calls (preparation for full deoptimization). …

runtime/vm/flow_graph_compiler.cc

Index: runtime/vm/flow_graph_compiler.cc
===================================================================
--- runtime/vm/flow_graph_compiler.cc	(revision 11424)
+++ runtime/vm/flow_graph_compiler.cc	(working copy)
@@ -233,6 +233,21 @@
 }
 
 
+void FlowGraphCompiler::AddDeoptIndexAtCall(intptr_t deopt_id,
+                                            intptr_t token_pos) {
+  // TODO(srdjan): Temporary use deopt stubs to maintain deopt-indexes.
+  // kDeoptAtCall will not emit code, but will only generate deoptimization
+  // information.
+  const intptr_t deopt_index = deopt_stubs_.length();
+  AddDeoptStub(deopt_id, -1, kDeoptAtCall);

[Florian Schneider, 2012/08/28 16:00:57]

Maybe kNoTryIndex instead of -1.

Can you also eliminate passing the try_index in other call sites of
AddDeoptStub?

[srdjan, 2012/08/28 17:08:25]

Using kNoTryIndex, will eliminate try_index from AddDeoptStub in a next CL.

+  pc_descriptors_list()->AddDescriptor(PcDescriptors::kDeoptIndex,
+                                       assembler()->CodeSize(),
+                                       deopt_id,
+                                       token_pos,
+                                       deopt_index);
+}
+
+
 void FlowGraphCompiler::RecordSafepoint(LocationSummary* locs) {
   if (is_optimizing()) {
     BitmapBuilder* bitmap = locs->stack_bitmap();