Lang Hames 784fecfe71 [ORC] Add a WaitUntilReady argument to blockingLookup.
If WaitUntilReady is set to true then blockingLookup will return once all
requested symbols are ready. If WaitUntilReady is set to false then
blockingLookup will return as soon as all requested symbols have been
resolved. In the latter case, if any error occurs in finalizing the symbols it
will be reported to the ExecutionSession, rather than returned by
blockingLookup.

llvm-svn: 334722
2018-06-14 15:32:58 +00:00

62 lines
1.8 KiB
C++

//===------- Legacy.cpp - Adapters for ExecutionEngine API interop --------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ExecutionEngine/Orc/Legacy.h"
namespace llvm {
namespace orc {
JITSymbolResolverAdapter::JITSymbolResolverAdapter(
ExecutionSession &ES, SymbolResolver &R, MaterializationResponsibility *MR)
: ES(ES), R(R), MR(MR) {}
Expected<JITSymbolResolverAdapter::LookupResult>
JITSymbolResolverAdapter::lookup(const LookupSet &Symbols) {
SymbolNameSet InternedSymbols;
for (auto &S : Symbols)
InternedSymbols.insert(ES.getSymbolStringPool().intern(S));
auto LookupFn = [&, this](std::shared_ptr<AsynchronousSymbolQuery> Q,
SymbolNameSet Unresolved) {
return R.lookup(std::move(Q), std::move(Unresolved));
};
auto InternedResult = blockingLookup(ES, std::move(LookupFn),
std::move(InternedSymbols), false, MR);
if (!InternedResult)
return InternedResult.takeError();
JITSymbolResolver::LookupResult Result;
for (auto &KV : *InternedResult)
Result[*KV.first] = KV.second;
return Result;
}
Expected<JITSymbolResolverAdapter::LookupFlagsResult>
JITSymbolResolverAdapter::lookupFlags(const LookupSet &Symbols) {
SymbolNameSet InternedSymbols;
for (auto &S : Symbols)
InternedSymbols.insert(ES.getSymbolStringPool().intern(S));
SymbolFlagsMap SymbolFlags;
R.lookupFlags(SymbolFlags, InternedSymbols);
LookupFlagsResult Result;
for (auto &KV : SymbolFlags) {
ResolvedStrings.insert(KV.first);
Result[*KV.first] = KV.second;
}
return Result;
}
} // End namespace orc.
} // End namespace llvm.