Revision: 14611
Author: [email protected]
Date: Fri May 10 02:31:28 2013
Log: Use AssumeRepresentation when the representation is known and
will not change.
[email protected]
Review URL: https://chromiumcodereview.appspot.com/14793014
http://code.google.com/p/v8/source/detail?r=14611
Modified:
/branches/bleeding_edge/src/hydrogen.cc
=======================================
--- /branches/bleeding_edge/src/hydrogen.cc Fri May 10 02:26:53 2013
+++ /branches/bleeding_edge/src/hydrogen.cc Fri May 10 02:31:28 2013
@@ -723,7 +723,7 @@
new(zone()) HCompareIDAndBranch(left, right, token);
compare->set_observed_input_representation(input_representation,
input_representation);
- compare->ChangeRepresentation(input_representation);
+ compare->AssumeRepresentation(input_representation);
AddCompare(compare);
return compare;
}
@@ -910,7 +910,7 @@
phi_ = new(zone()) HPhi(env->values()->length(), zone());
header_block_->AddPhi(phi_);
phi_->AddInput(initial);
- phi_->ChangeRepresentation(Representation::Integer32());
+ phi_->AssumeRepresentation(Representation::Integer32());
env->Push(initial);
builder_->current_block()->GotoNoSimulate(header_block_);
ASSERT(builder_->SafeToAddPhiInNoSideEffectsScope());
@@ -927,7 +927,7 @@
new(zone()) HCompareIDAndBranch(phi_, terminating, token);
compare->set_observed_input_representation(input_representation,
input_representation);
- compare->ChangeRepresentation(input_representation);
+ compare->AssumeRepresentation(input_representation);
compare->SetSuccessorAt(0, body_block_);
compare->SetSuccessorAt(1, exit_block_);
builder_->current_block()->Finish(compare);
@@ -941,7 +941,7 @@
increment_ = HSub::New(zone(), context_, phi_, one);
}
increment_->ClearFlag(HValue::kCanOverflow);
- increment_->ChangeRepresentation(Representation::Integer32());
+ increment_->AssumeRepresentation(Representation::Integer32());
builder_->AddInstruction(increment_);
return increment_;
} else {
@@ -961,7 +961,7 @@
increment_ = HSub::New(zone(), context_, phi_, one);
}
increment_->ClearFlag(HValue::kCanOverflow);
- increment_->ChangeRepresentation(Representation::Integer32());
+ increment_->AssumeRepresentation(Representation::Integer32());
builder_->AddInstruction(increment_);
}
@@ -1198,7 +1198,7 @@
if (is_js_array) {
HValue* new_length = AddInstruction(
HAdd::New(zone, context, length, graph_->GetConstant1()));
- new_length->ChangeRepresentation(Representation::Integer32());
+ new_length->AssumeRepresentation(Representation::Integer32());
new_length->ClearFlag(HValue::kCanOverflow);
Factory* factory = isolate()->factory();
@@ -1384,7 +1384,7 @@
AddInstruction(elements_size_value);
HValue* mul = AddInstruction(
HMul::New(zone, context, capacity,
elements_size_value));
- mul->ChangeRepresentation(Representation::Integer32());
+ mul->AssumeRepresentation(Representation::Integer32());
mul->ClearFlag(HValue::kCanOverflow);
HConstant* header_size =
@@ -1392,7 +1392,7 @@
AddInstruction(header_size);
HValue* total_size = AddInstruction(
HAdd::New(zone, context, mul, header_size));
- total_size->ChangeRepresentation(Representation::Integer32());
+ total_size->AssumeRepresentation(Representation::Integer32());
total_size->ClearFlag(HValue::kCanOverflow);
HAllocate::Flags flags = HAllocate::DefaultFlags(kind);
@@ -1548,12 +1548,12 @@
HValue* half_old_capacity =
AddInstruction(HShr::New(zone, context, old_capacity,
graph_->GetConstant1()));
- half_old_capacity->ChangeRepresentation(Representation::Integer32());
+ half_old_capacity->AssumeRepresentation(Representation::Integer32());
half_old_capacity->ClearFlag(HValue::kCanOverflow);
HValue* new_capacity = AddInstruction(
HAdd::New(zone, context, half_old_capacity, old_capacity));
- new_capacity->ChangeRepresentation(Representation::Integer32());
+ new_capacity->AssumeRepresentation(Representation::Integer32());
new_capacity->ClearFlag(HValue::kCanOverflow);
HValue* min_growth =
@@ -1561,7 +1561,7 @@
new_capacity = AddInstruction(
HAdd::New(zone, context, new_capacity, min_growth));
- new_capacity->ChangeRepresentation(Representation::Integer32());
+ new_capacity->AssumeRepresentation(Representation::Integer32());
new_capacity->ClearFlag(HValue::kCanOverflow);
return new_capacity;
@@ -1941,7 +1941,7 @@
AddInstruction(elements_size_value);
HInstruction* mul = HMul::New(zone(), context, length_node,
elements_size_value);
- mul->ChangeRepresentation(Representation::Integer32());
+ mul->AssumeRepresentation(Representation::Integer32());
mul->ClearFlag(HValue::kCanOverflow);
AddInstruction(mul);
@@ -1949,7 +1949,7 @@
Representation::Integer32());
AddInstruction(base);
HInstruction* total_size = HAdd::New(zone(), context, base, mul);
- total_size->ChangeRepresentation(Representation::Integer32());
+ total_size->AssumeRepresentation(Representation::Integer32());
total_size->ClearFlag(HValue::kCanOverflow);
AddInstruction(total_size);
return total_size;
--
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