DEFINE_bool(inline_arguments, true, "inline functions with arguments object")
DEFINE_bool(inline_accessors, true, "inline JavaScript accessors")
DEFINE_int(loop_weight, 1, "loop weight for representation inference")
+DEFINE_int(escape_analysis_iterations, 1,
+ "maximum number of escape analysis fix-point iterations")
DEFINE_bool(optimize_for_in, true,
"optimize functions containing for-in loops")
number_of_objects_++;
block_states_.Clear();
- // Perform actual analysis steps.
+ // Perform actual analysis step.
AnalyzeDataFlow(allocate);
cumulative_values_ += number_of_values_;
// TODO(mstarzinger): We disable escape analysis with OSR for now, because
// spill slots might be uninitialized. Needs investigation.
if (graph()->has_osr()) return;
- CollectCapturedValues();
- PerformScalarReplacement();
+ int max_fixpoint_iteration_count = FLAG_escape_analysis_iterations;
+ for (int i = 0; i < max_fixpoint_iteration_count; i++) {
+ CollectCapturedValues();
+ if (captured_.is_empty()) break;
+ PerformScalarReplacement();
+ captured_.Clear();
+ }
}
}
+void HCapturedObject::PrintDataTo(StringStream* stream) {
+ stream->Add("#%d ", capture_id());
+ HDematerializedObject::PrintDataTo(stream);
+}
+
+
void HEnterInlined::RegisterReturnTarget(HBasicBlock* return_target,
Zone* zone) {
ASSERT(return_target->IsInlineReturnTarget());
// Replay effects of this instruction on the given environment.
void ReplayEnvironment(HEnvironment* env);
+ virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
+
DECLARE_CONCRETE_INSTRUCTION(CapturedObject)
private: