Upgrade V8 to 5.1.281.57 DO NOT MERGE
FPIIM-449
Change-Id: Id981b686b4d587ac31697662eb98bb34be42ad90
(cherry picked from commit 3b9bc31999c9787eb726ecdbfd5796bfdec32a18)
diff --git a/src/crankshaft/mips64/lithium-mips64.cc b/src/crankshaft/mips64/lithium-mips64.cc
index b66e8ba..bcfbc24 100644
--- a/src/crankshaft/mips64/lithium-mips64.cc
+++ b/src/crankshaft/mips64/lithium-mips64.cc
@@ -255,27 +255,6 @@
}
-void LCallFunction::PrintDataTo(StringStream* stream) {
- context()->PrintTo(stream);
- stream->Add(" ");
- function()->PrintTo(stream);
- if (hydrogen()->HasVectorAndSlot()) {
- stream->Add(" (type-feedback-vector ");
- temp_vector()->PrintTo(stream);
- stream->Add(" ");
- temp_slot()->PrintTo(stream);
- stream->Add(")");
- }
-}
-
-
-void LCallJSFunction::PrintDataTo(StringStream* stream) {
- stream->Add("= ");
- function()->PrintTo(stream);
- stream->Add("#%d / ", arity());
-}
-
-
void LCallWithDescriptor::PrintDataTo(StringStream* stream) {
for (int i = 0; i < InputCount(); i++) {
InputAt(i)->PrintTo(stream);
@@ -574,12 +553,7 @@
LInstruction* LChunkBuilder::AssignEnvironment(LInstruction* instr) {
HEnvironment* hydrogen_env = current_block_->last_environment();
- int argument_index_accumulator = 0;
- ZoneList<HValue*> objects_to_materialize(0, zone());
- instr->set_environment(CreateEnvironment(hydrogen_env,
- &argument_index_accumulator,
- &objects_to_materialize));
- return instr;
+ return LChunkBuilderBase::AssignEnvironment(instr, hydrogen_env);
}
@@ -907,22 +881,16 @@
}
chunk_->AddInstruction(instr, current_block_);
- if (instr->IsCall() || instr->IsPrologue()) {
- HValue* hydrogen_value_for_lazy_bailout = hydrogen_val;
- if (hydrogen_val->HasObservableSideEffects()) {
- HSimulate* sim = HSimulate::cast(hydrogen_val->next());
- sim->ReplayEnvironment(current_block_->last_environment());
- hydrogen_value_for_lazy_bailout = sim;
- }
- LInstruction* bailout = AssignEnvironment(new(zone()) LLazyBailout());
- bailout->set_hydrogen_value(hydrogen_value_for_lazy_bailout);
- chunk_->AddInstruction(bailout, current_block_);
- }
+ CreateLazyBailoutForCall(current_block_, instr, hydrogen_val);
}
LInstruction* LChunkBuilder::DoPrologue(HPrologue* instr) {
- return new (zone()) LPrologue();
+ LInstruction* result = new (zone()) LPrologue();
+ if (info_->num_heap_slots() > 0) {
+ result = MarkAsCall(result, instr);
+ }
+ return result;
}
@@ -935,14 +903,14 @@
HValue* value = instr->value();
Representation r = value->representation();
HType type = value->type();
- ToBooleanStub::Types expected = instr->expected_input_types();
- if (expected.IsEmpty()) expected = ToBooleanStub::Types::Generic();
+ ToBooleanICStub::Types expected = instr->expected_input_types();
+ if (expected.IsEmpty()) expected = ToBooleanICStub::Types::Generic();
bool easy_case = !r.IsTagged() || type.IsBoolean() || type.IsSmi() ||
type.IsJSArray() || type.IsHeapNumber() || type.IsString();
LInstruction* branch = new(zone()) LBranch(UseRegister(value));
if (!easy_case &&
- ((!expected.Contains(ToBooleanStub::SMI) && expected.NeedsMap()) ||
+ ((!expected.Contains(ToBooleanICStub::SMI) && expected.NeedsMap()) ||
!expected.IsGeneric())) {
branch = AssignEnvironment(branch);
}
@@ -1064,16 +1032,6 @@
}
-LInstruction* LChunkBuilder::DoCallJSFunction(
- HCallJSFunction* instr) {
- LOperand* function = UseFixed(instr->function(), a1);
-
- LCallJSFunction* result = new(zone()) LCallJSFunction(function);
-
- return MarkAsCall(DefineFixed(result, v0), instr);
-}
-
-
LInstruction* LChunkBuilder::DoCallWithDescriptor(
HCallWithDescriptor* instr) {
CallInterfaceDescriptor descriptor = instr->descriptor();
@@ -1097,6 +1055,9 @@
LCallWithDescriptor* result = new(zone()) LCallWithDescriptor(
descriptor, ops, zone());
+ if (instr->syntactic_tail_call_mode() == TailCallMode::kAllow) {
+ result->MarkAsSyntacticTailCall();
+ }
return MarkAsCall(DefineFixed(result, v0), instr);
}
@@ -1105,6 +1066,9 @@
LOperand* context = UseFixed(instr->context(), cp);
LOperand* function = UseFixed(instr->function(), a1);
LInvokeFunction* result = new(zone()) LInvokeFunction(context, function);
+ if (instr->syntactic_tail_call_mode() == TailCallMode::kAllow) {
+ result->MarkAsSyntacticTailCall();
+ }
return MarkAsCall(DefineFixed(result, v0), instr, CANNOT_DEOPTIMIZE_EAGERLY);
}
@@ -1224,22 +1188,6 @@
}
-LInstruction* LChunkBuilder::DoCallFunction(HCallFunction* instr) {
- LOperand* context = UseFixed(instr->context(), cp);
- LOperand* function = UseFixed(instr->function(), a1);
- LOperand* slot = NULL;
- LOperand* vector = NULL;
- if (instr->HasVectorAndSlot()) {
- slot = FixedTemp(a3);
- vector = FixedTemp(a2);
- }
-
- LCallFunction* call =
- new (zone()) LCallFunction(context, function, slot, vector);
- return MarkAsCall(DefineFixed(call, v0), instr);
-}
-
-
LInstruction* LChunkBuilder::DoCallRuntime(HCallRuntime* instr) {
LOperand* context = UseFixed(instr->context(), cp);
return MarkAsCall(DefineFixed(new(zone()) LCallRuntime(context), v0), instr);
@@ -1796,13 +1744,6 @@
}
-LInstruction* LChunkBuilder::DoBoundsCheckBaseIndexInformation(
- HBoundsCheckBaseIndexInformation* instr) {
- UNREACHABLE();
- return NULL;
-}
-
-
LInstruction* LChunkBuilder::DoAbnormalExit(HAbnormalExit* instr) {
// The control instruction marking the end of a block that completed
// abruptly (e.g., threw an exception). There is nothing specific to do.
@@ -2440,13 +2381,6 @@
}
-LInstruction* LChunkBuilder::DoToFastProperties(HToFastProperties* instr) {
- LOperand* object = UseFixed(instr->value(), a0);
- LToFastProperties* result = new(zone()) LToFastProperties(object);
- return MarkAsCall(DefineFixed(result, v0), instr);
-}
-
-
LInstruction* LChunkBuilder::DoTypeof(HTypeof* instr) {
LOperand* context = UseFixed(instr->context(), cp);
LOperand* value = UseFixed(instr->value(), a3);
@@ -2483,11 +2417,9 @@
HEnvironment* outer = current_block_->last_environment();
outer->set_ast_id(instr->ReturnId());
HConstant* undefined = graph()->GetConstantUndefined();
- HEnvironment* inner = outer->CopyForInlining(instr->closure(),
- instr->arguments_count(),
- instr->function(),
- undefined,
- instr->inlining_kind());
+ HEnvironment* inner = outer->CopyForInlining(
+ instr->closure(), instr->arguments_count(), instr->function(), undefined,
+ instr->inlining_kind(), instr->syntactic_tail_call_mode());
// Only replay binding of arguments object if it wasn't removed from graph.
if (instr->arguments_var() != NULL && instr->arguments_object()->IsLinked()) {
inner->Bind(instr->arguments_var(), instr->arguments_object());
@@ -2548,13 +2480,6 @@
return AssignPointerMap(result);
}
-
-LInstruction* LChunkBuilder::DoStoreFrameContext(HStoreFrameContext* instr) {
- LOperand* context = UseRegisterAtStart(instr->context());
- return new(zone()) LStoreFrameContext(context);
-}
-
-
} // namespace internal
} // namespace v8