return AddUncasted<HInvokeFunction>(function, 2);
}
- // Fast path for empty constant strings.
- if (left->IsConstant() &&
- HConstant::cast(left)->HasStringValue() &&
- HConstant::cast(left)->StringValue()->length() == 0) {
- return right;
- }
- if (right->IsConstant() &&
- HConstant::cast(right)->HasStringValue() &&
- HConstant::cast(right)->StringValue()->length() == 0) {
- return left;
+ // Fast paths for empty constant strings.
+ Handle<String> left_string =
+ left->IsConstant() && HConstant::cast(left)->HasStringValue()
+ ? HConstant::cast(left)->StringValue()
+ : Handle<String>();
+ Handle<String> right_string =
+ right->IsConstant() && HConstant::cast(right)->HasStringValue()
+ ? HConstant::cast(right)->StringValue()
+ : Handle<String>();
+ if (!left_string.is_null() && left_string->length() == 0) return right;
+ if (!right_string.is_null() && right_string->length() == 0) return left;
+ if (!left_string.is_null() && !right_string.is_null()) {
+ return AddUncasted<HStringAdd>(
+ left, right, allocation_mode.GetPretenureMode(),
+ STRING_ADD_CHECK_NONE, allocation_mode.feedback_site());
}
// Register the dependent code with the allocation site.