ThinLtoDiscoveryThread.h
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#ifndef LLVM_EXAMPLES_THINLTOJIT_DISCOVERYTHREAD_H
#define LLVM_EXAMPLES_THINLTOJIT_DISCOVERYTHREAD_H
#include "llvm/ADT/StringRef.h"
#include "llvm/IR/ModuleSummaryIndex.h"
#include "ThinLtoJIT.h"
#include <atomic>
#include <vector>
namespace llvm {
namespace orc {
class ExecutionSession;
class ThinLtoModuleIndex;
class ThinLtoInstrumentationLayer;
class ThinLtoDiscoveryThread {
public:
ThinLtoDiscoveryThread(std::atomic<bool> &RunningFlag, ExecutionSession &ES,
JITDylib *MainJD, ThinLtoInstrumentationLayer &L,
ThinLtoModuleIndex &GlobalIndex,
ThinLtoJIT::AddModuleFunction AddModule,
unsigned LookaheadLevels, bool PrintStats)
: KeepRunning(RunningFlag), ES(ES), Layer(L), GlobalIndex(GlobalIndex),
AddModule(std::move(AddModule)), LookaheadLevels(LookaheadLevels),
PrintStats(PrintStats) {}
~ThinLtoDiscoveryThread() {
if (PrintStats)
dump(errs());
}
void operator()();
void dump(raw_ostream &OS) {
OS << format("Modules submitted asynchronously: %d\n", NumModulesSubmitted);
}
private:
std::atomic<bool> &KeepRunning;
ExecutionSession &ES;
ThinLtoInstrumentationLayer &Layer;
ThinLtoModuleIndex &GlobalIndex;
ThinLtoJIT::AddModuleFunction AddModule;
unsigned LookaheadLevels;
bool PrintStats;
unsigned NumModulesSubmitted{0};
void spawnLookupForHighRankModules();
};
} // namespace orc
} // namespace llvm
#endif