void CompiledCode::Info::mark(Object* obj, ObjectMark& mark) {
auto_mark(obj, mark);
mark_inliners(obj, mark);
CompiledCode* code = as<CompiledCode>(obj);
if(!code->machine_code_) return;
MachineCode* mcode = code->machine_code_;
mcode->set_mark();
Object* tmp;
#ifdef ENABLE_LLVM
if(code->jit_data()) {
code->jit_data()->set_mark();
code->jit_data()->mark_all(code, mark);
}
for(int i = 0; i < MachineCode::cMaxSpecializations; i++) {
if(mcode->specializations[i].jit_data) {
mcode->specializations[i].jit_data->set_mark();
mcode->specializations[i].jit_data->mark_all(code, mark);
}
}
#endif
for(size_t i = 0; i < mcode->inline_cache_count(); i++) {
InlineCache* cache = &mcode->caches[i];
for(int j = 0; j < cTrackedICHits; ++j) {
MethodCacheEntry* mce = cache->cache_[j].entry();
if(mce) {
tmp = mark.call(mce);
if(tmp) {
cache->cache_[j].assign(static_cast<MethodCacheEntry*>(tmp));
mark.just_set(obj, tmp);
}
}
}
if(cache->call_unit_) {
tmp = mark.call(cache->call_unit_);
if(tmp) {
cache->call_unit_ = static_cast<CallUnit*>(tmp);
mark.just_set(obj, tmp);
}
}
}
}
CallFrame* LLVMState::find_candidate(STATE, CompiledCode* start, CallFrame* call_frame) {
if(!config_.jit_inline_generic) {
return call_frame;
}
int depth = cInlineMaxDepth;
if(!start) rubinius::bug("null start");
if(!call_frame) rubinius::bug("null call_frame");
// if(!start) {
// start = call_frame->compiled_code;
// call_frame = call_frame->previous;
// depth--;
// }
if(debug_search) {
std::cout << "> call_count: " << call_frame->compiled_code->machine_code()->call_count
<< " size: " << call_frame->compiled_code->machine_code()->total
<< " sends: " << call_frame->compiled_code->machine_code()->inline_cache_count()
<< std::endl;
call_frame->print_backtrace(state, 1);
}
if(start->machine_code()->total > (size_t)config_.jit_max_method_inline_size) {
if(debug_search) {
std::cout << "JIT: STOP. reason: trigger method isn't small: "
<< start->machine_code()->total << " > "
<< config_.jit_max_method_inline_size
<< std::endl;
}
return call_frame;
}
MachineCode* mcode = start->machine_code();
if(mcode->required_args != mcode->total_args) {
if(debug_search) {
std::cout << "JIT: STOP. reason: trigger method req_args != total_args" << std::endl;
}
return call_frame;
}
if(mcode->no_inline_p()) {
if(debug_search) {
std::cout << "JIT: STOP. reason: trigger method no_inline_p() = true" << std::endl;
}
return call_frame;
}
CallFrame* callee = call_frame;
call_frame = call_frame->previous;
if(!call_frame) return callee;
// Now start looking at callers.
while(depth-- > 0) {
CompiledCode* cur = call_frame->compiled_code;
if(!cur) {
if(debug_search) {
std::cout << "JIT: STOP. reason: synthetic CallFrame hit" << std::endl;
}
return callee;
}
MachineCode* mcode = cur->machine_code();
if(debug_search) {
std::cout << "> call_count: " << mcode->call_count
<< " size: " << mcode->total
<< " sends: " << mcode->inline_cache_count()
<< std::endl;
call_frame->print_backtrace(state, 1);
}
/*
if(call_frame->block_p()
|| mcode->required_args != mcode->total_args // has a splat
|| mcode->call_count < 200 // not called much
|| mcode->jitted() // already jitted
|| mcode->parent() // is a block
) return callee;
*/
if(mcode->required_args != mcode->total_args) {
if(debug_search) {
std::cout << "JIT: STOP. reason: req_args != total_args" << std::endl;
}
return callee;
}
if(mcode->call_count < config_.jit_call_inline_threshold) {
if(debug_search) {
std::cout << "JIT: STOP. reason: call_count too small: "
<< mcode->call_count << " < "
<< config_.jit_call_inline_threshold << std::endl;
}
return callee;
}
if(mcode->jitted()) {
if(debug_search) {
std::cout << "JIT: STOP. reason: already jitted" << std::endl;
}
return callee;
}
if(mcode->no_inline_p()) {
if(debug_search) {
std::cout << "JIT: STOP. reason: no_inline_p() = true" << std::endl;
}
return callee;
}
if(call_frame->jitted_p() || call_frame->inline_method_p()) {
return callee;
}
if(mcode->inline_cache_count() > eMaxInlineSendCount) {
if(debug_search) {
std::cout << "JIT: STOP. reason: high send count" << std::endl;
}
return call_frame;
}
// if(mcode->required_args != mcode->total_args // has a splat
// || mcode->call_count < 200 // not called much
// || mcode->jitted() // already jitted
// || !mcode->no_inline_p() // method marked as not inlineable
// ) return callee;
CallFrame* prev = call_frame->previous;
if(!prev) {
if(debug_search) {
std::cout << "JIT: STOP. reason: toplevel method" << std::endl;
}
return call_frame;
}
// if(cur->machine_code()->total > SMALL_METHOD_SIZE) {
// if(debug_search) {
// std::cout << "JIT: STOP. reason: big method: "
// << cur->machine_code()->total << " > "
// << SMALL_METHOD_SIZE
// << "\n";
// }
// return call_frame;
// }
// if(!next || cur->machine_code()->total > SMALL_METHOD_SIZE) return call_frame;
callee = call_frame;
call_frame = prev;
}
return callee;
}