--- a/hotspot/src/share/vm/c1/c1_GraphBuilder.cpp Mon Oct 21 17:34:27 2013 -0700
+++ b/hotspot/src/share/vm/c1/c1_GraphBuilder.cpp Tue Oct 22 09:51:47 2013 +0200
@@ -1470,7 +1470,7 @@
set_state(state()->caller_state()->copy_for_parsing());
if (x != NULL) {
state()->push(x->type(), x);
- if (profile_calls() && MethodData::profile_return() && x->type()->is_object_kind()) {
+ if (profile_return() && x->type()->is_object_kind()) {
ciMethod* caller = state()->scope()->method();
ciMethodData* md = caller->method_data_or_null();
ciProfileData* data = md->bci_to_data(invoke_bci);
@@ -1672,15 +1672,23 @@
}
// How many arguments do we want to profile?
-Values* GraphBuilder::args_list_for_profiling(int& start, bool may_have_receiver) {
+Values* GraphBuilder::args_list_for_profiling(ciMethod* target, int& start, bool may_have_receiver) {
int n = 0;
- assert(start == 0, "should be initialized");
- if (MethodData::profile_arguments()) {
+ bool has_receiver = may_have_receiver && Bytecodes::has_receiver(method()->java_code_at_bci(bci()));
+ start = has_receiver ? 1 : 0;
+ if (profile_arguments()) {
ciProfileData* data = method()->method_data()->bci_to_data(bci());
if (data->is_CallTypeData() || data->is_VirtualCallTypeData()) {
n = data->is_CallTypeData() ? data->as_CallTypeData()->number_of_arguments() : data->as_VirtualCallTypeData()->number_of_arguments();
- bool has_receiver = may_have_receiver && Bytecodes::has_receiver(method()->java_code_at_bci(bci()));
- start = has_receiver ? 1 : 0;
+ }
+ }
+ // If we are inlining then we need to collect arguments to profile parameters for the target
+ if (profile_parameters() && target != NULL) {
+ if (target->method_data() != NULL && target->method_data()->parameters_type_data() != NULL) {
+ // The receiver is profiled on method entry so it's included in
+ // the number of parameters but here we're only interested in
+ // actual arguments.
+ n = MAX2(n, target->method_data()->parameters_type_data()->number_of_parameters() - start);
}
}
if (n > 0) {
@@ -1690,9 +1698,9 @@
}
// Collect arguments that we want to profile in a list
-Values* GraphBuilder::collect_args_for_profiling(Values* args, bool may_have_receiver) {
+Values* GraphBuilder::collect_args_for_profiling(Values* args, ciMethod* target, bool may_have_receiver) {
int start = 0;
- Values* obj_args = args_list_for_profiling(start, may_have_receiver);
+ Values* obj_args = args_list_for_profiling(target, start, may_have_receiver);
if (obj_args == NULL) {
return NULL;
}
@@ -2006,7 +2014,7 @@
} else if (exact_target != NULL) {
target_klass = exact_target->holder();
}
- profile_call(target, recv, target_klass, collect_args_for_profiling(args, false), false);
+ profile_call(target, recv, target_klass, collect_args_for_profiling(args, NULL, false), false);
}
}
@@ -2021,7 +2029,7 @@
push(result_type, result);
}
}
- if (profile_calls() && MethodData::profile_return() && result_type->is_object_kind()) {
+ if (profile_return() && result_type->is_object_kind()) {
profile_return_type(result, target);
}
}
@@ -3561,7 +3569,7 @@
recv = args->at(0);
null_check(recv);
}
- profile_call(callee, recv, NULL, collect_args_for_profiling(args, true), true);
+ profile_call(callee, recv, NULL, collect_args_for_profiling(args, callee, true), true);
}
}
}
@@ -3572,7 +3580,7 @@
Value value = append_split(result);
if (result_type != voidType) push(result_type, value);
- if (callee != method() && profile_calls() && MethodData::profile_return() && result_type->is_object_kind()) {
+ if (callee != method() && profile_return() && result_type->is_object_kind()) {
profile_return_type(result, callee);
}
@@ -3820,7 +3828,7 @@
if (profile_calls()) {
int start = 0;
- Values* obj_args = args_list_for_profiling(start, has_receiver);
+ Values* obj_args = args_list_for_profiling(callee, start, has_receiver);
if (obj_args != NULL) {
int s = obj_args->size();
// if called through method handle invoke, some arguments may have been popped