[ORC] Add orc::SymbolResolver, a Orc/Legacy API interop header, and an
orc::SymbolResolver to JITSymbolResolver adapter.
The new orc::SymbolResolver interface uses asynchronous queries for better
performance. (Asynchronous queries with bulk lookup minimize RPC/IPC overhead,
support parallel incoming queries, and expose more available work for
distribution). Existing ORC layers will soon be updated to use the
orc::SymbolResolver API rather than the legacy llvm::JITSymbolResolver API.
Because RuntimeDyld still uses JITSymbolResolver, this patch also includes an
adapter that wraps an orc::SymbolResolver with a JITSymbolResolver API.
llvm-svn: 323073
diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
index 9741a48..5c4b8c1 100644
--- a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
+++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
@@ -211,7 +211,7 @@
// definitions occur elsewhere.
JITSymbolResolver::LookupFlagsResult SymbolFlags;
{
- JITSymbolResolver::SymbolNameSet Symbols;
+ JITSymbolResolver::LookupSet Symbols;
for (auto &Sym : Obj.symbols()) {
uint32_t Flags = Sym.getFlags();
if ((Flags & SymbolRef::SF_Common) || (Flags & SymbolRef::SF_Weak)) {
@@ -1000,10 +1000,10 @@
// Resolution can trigger emission of more symbols, so iterate until
// we've resolved *everything*.
{
- JITSymbolResolver::SymbolNameSet ResolvedSymbols;
+ JITSymbolResolver::LookupSet ResolvedSymbols;
while (true) {
- JITSymbolResolver::SymbolNameSet NewSymbols;
+ JITSymbolResolver::LookupSet NewSymbols;
for (auto &RelocKV : ExternalSymbolRelocations) {
StringRef Name = RelocKV.first();