src/share/vm/opto/callGenerator.cpp
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7071307 Cdiff src/share/vm/opto/callGenerator.cpp
src/share/vm/opto/callGenerator.cpp
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*** 150,160 ****
}
// Mark the call node as virtual, sort of:
call->set_optimized_virtual(true);
if (method()->is_method_handle_invoke()) {
call->set_method_handle_invoke(true);
- kit.C->set_has_method_handle_invokes(true);
}
}
kit.set_arguments_for_java_call(call);
kit.set_edges_for_java_call(call, false, _separate_io_proj);
Node* ret = kit.set_results_for_java_call(call, _separate_io_proj);
--- 150,159 ----
*** 208,218 ****
CallStaticJavaNode *call = new (kit.C, tf()->domain()->cnt()) CallStaticJavaNode(tf(), resolve_stub, method(), kit.bci());
// invokedynamic is treated as an optimized invokevirtual.
call->set_optimized_virtual(true);
// Take extra care (in the presence of argument motion) not to trash the SP:
call->set_method_handle_invoke(true);
- kit.C->set_has_method_handle_invokes(true);
// Pass the target MethodHandle as first argument and shift the
// other arguments.
call->init_req(0 + TypeFunc::Parms, target_mh);
uint nargs = call->method()->arg_size();
--- 207,216 ----
*** 719,740 ****
if (cg != NULL && cg->is_inline())
return cg;
}
} else if (method_handle->Opcode() == Op_Phi && method_handle->req() == 3 &&
method_handle->in(1)->Opcode() == Op_ConP && method_handle->in(2)->Opcode() == Op_ConP) {
// selectAlternative idiom merging two constant MethodHandles.
// Generate a guard so that each can be inlined. We might want to
// do more inputs at later point but this gets the most common
// case.
const TypeOopPtr* oop_ptr = method_handle->in(1)->bottom_type()->is_oopptr();
ciObject* const_oop = oop_ptr->const_oop();
ciMethodHandle* mh = const_oop->as_method_handle();
!
! CallGenerator* cg1 = for_method_handle_inline(method_handle->in(1), jvms, caller, callee, profile);
! CallGenerator* cg2 = for_method_handle_inline(method_handle->in(2), jvms, caller, callee, profile);
! if (cg1 != NULL && cg2 != NULL) {
! return new PredictedDynamicCallGenerator(mh, cg2, cg1, PROB_FAIR);
}
}
return NULL;
}
--- 717,750 ----
if (cg != NULL && cg->is_inline())
return cg;
}
} else if (method_handle->Opcode() == Op_Phi && method_handle->req() == 3 &&
method_handle->in(1)->Opcode() == Op_ConP && method_handle->in(2)->Opcode() == Op_ConP) {
+ float prob = PROB_FAIR;
+ Node* meth_region = method_handle->in(0);
+ if (meth_region->is_Region() &&
+ meth_region->in(1)->is_Proj() && meth_region->in(2)->is_Proj() &&
+ meth_region->in(1)->in(0) == meth_region->in(2)->in(0) &&
+ meth_region->in(1)->in(0)->is_If()) {
+ // If diamond, so grab the probability of the test to drive the inlining below
+ prob = meth_region->in(1)->in(0)->as_If()->_prob;
+ if (meth_region->in(1)->is_IfTrue()) {
+ prob = 1 - prob;
+ }
+ }
+
// selectAlternative idiom merging two constant MethodHandles.
// Generate a guard so that each can be inlined. We might want to
// do more inputs at later point but this gets the most common
// case.
+ CallGenerator* cg1 = for_method_handle_inline(method_handle->in(1), jvms, caller, callee, profile.rescale(1.0 - prob));
+ CallGenerator* cg2 = for_method_handle_inline(method_handle->in(2), jvms, caller, callee, profile.rescale(prob));
+ if (cg1 != NULL && cg2 != NULL) {
const TypeOopPtr* oop_ptr = method_handle->in(1)->bottom_type()->is_oopptr();
ciObject* const_oop = oop_ptr->const_oop();
ciMethodHandle* mh = const_oop->as_method_handle();
! return new PredictedDynamicCallGenerator(mh, cg2, cg1, prob);
}
}
return NULL;
}
src/share/vm/opto/callGenerator.cpp
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