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Unified Diff: src/full-codegen.cc

Issue 196283015: Revert "Moved type feedback vector to SharedFunctionInfo." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 9 months ago
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Index: src/full-codegen.cc
diff --git a/src/full-codegen.cc b/src/full-codegen.cc
index 165d007571f227460fcc3ea2ab53b4f3e6475e96..2170b8421275710e3c4329e4ed5723b608d058f6 100644
--- a/src/full-codegen.cc
+++ b/src/full-codegen.cc
@@ -386,6 +386,18 @@ unsigned FullCodeGenerator::EmitBackEdgeTable() {
}
+void FullCodeGenerator::InitializeFeedbackVector() {
+ int length = info_->function()->slot_count();
+ feedback_vector_ = isolate()->factory()->NewFixedArray(length, TENURED);
+ Handle<Object> sentinel = TypeFeedbackInfo::UninitializedSentinel(isolate());
+ // Ensure that it's safe to set without using a write barrier.
+ ASSERT_EQ(isolate()->heap()->uninitialized_symbol(), *sentinel);
+ for (int i = 0; i < length; i++) {
+ feedback_vector_->set(i, *sentinel, SKIP_WRITE_BARRIER);
+ }
+}
+
+
void FullCodeGenerator::PopulateDeoptimizationData(Handle<Code> code) {
// Fill in the deoptimization information.
ASSERT(info_->HasDeoptimizationSupport() || bailout_entries_.is_empty());
@@ -404,6 +416,7 @@ void FullCodeGenerator::PopulateDeoptimizationData(Handle<Code> code) {
void FullCodeGenerator::PopulateTypeFeedbackInfo(Handle<Code> code) {
Handle<TypeFeedbackInfo> info = isolate()->factory()->NewTypeFeedbackInfo();
info->set_ic_total_count(ic_total_count_);
+ info->set_feedback_vector(*FeedbackVector());
ASSERT(!isolate()->heap()->InNewSpace(*info));
code->set_type_feedback_info(*info);
}
@@ -1605,8 +1618,7 @@ void FullCodeGenerator::VisitNativeFunctionLiteral(
bool is_generator = false;
Handle<SharedFunctionInfo> shared =
isolate()->factory()->NewSharedFunctionInfo(name, literals, is_generator,
- code, Handle<ScopeInfo>(fun->shared()->scope_info()),
- Handle<FixedArray>(fun->shared()->feedback_vector()));
+ code, Handle<ScopeInfo>(fun->shared()->scope_info()));
shared->set_construct_stub(*construct_stub);
// Copy the function data to the shared function info.
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