[ORC] Reapply r342939 with a fix for MSVC's promise/future restrictions.
llvm-svn: 343012
diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldChecker.cpp b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldChecker.cpp
index fa89068..79a1bbb 100644
--- a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldChecker.cpp
+++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldChecker.cpp
@@ -16,6 +16,7 @@
#include "llvm/MC/MCInst.h"
#include "llvm/Support/Path.h"
#include <cctype>
+#include <future>
#include <memory>
#include <utility>
@@ -729,15 +730,29 @@
return DidAllTestsPass && (NumRules != 0);
}
+Expected<JITSymbolResolver::LookupResult> RuntimeDyldCheckerImpl::lookup(
+ const JITSymbolResolver::LookupSet &Symbols) const {
+ auto ResultP = std::make_shared<
+ std::promise<Expected<JITSymbolResolver::LookupResult>>>();
+ auto ResultF = ResultP->get_future();
+
+ getRTDyld().Resolver.lookup(
+ Symbols, [=](Expected<JITSymbolResolver::LookupResult> Result) {
+ ResultP->set_value(std::move(Result));
+ });
+ return ResultF.get();
+}
+
bool RuntimeDyldCheckerImpl::isSymbolValid(StringRef Symbol) const {
if (getRTDyld().getSymbol(Symbol))
return true;
- JITSymbolResolver::LookupSet Symbols({Symbol});
- auto Result = getRTDyld().Resolver.lookup(Symbols);
+ auto Result = lookup({Symbol});
+
if (!Result) {
logAllUnhandledErrors(Result.takeError(), errs(), "RTDyldChecker: ");
return false;
}
+
assert(Result->count(Symbol) && "Missing symbol result");
return true;
}
@@ -751,8 +766,7 @@
if (auto InternalSymbol = getRTDyld().getSymbol(Symbol))
return InternalSymbol.getAddress();
- JITSymbolResolver::LookupSet Symbols({Symbol});
- auto Result = getRTDyld().Resolver.lookup(Symbols);
+ auto Result = lookup({Symbol});
if (!Result) {
logAllUnhandledErrors(Result.takeError(), errs(), "RTDyldChecker: ");
return 0;