[llvm] r345098 - [ORC] Re-apply r345077 with fixes to remove ambiguity in lookup calls.

Lang Hames via llvm-commits llvm-commits at lists.llvm.org
Tue Oct 23 16:01:39 PDT 2018


Author: lhames
Date: Tue Oct 23 16:01:39 2018
New Revision: 345098

URL: http://llvm.org/viewvc/llvm-project?rev=345098&view=rev
Log:
[ORC] Re-apply r345077 with fixes to remove ambiguity in lookup calls.

Added:
    llvm/trunk/test/ExecutionEngine/OrcLazy/Inputs/hidden-definitions.ll
    llvm/trunk/test/ExecutionEngine/OrcLazy/hidden-visibility.ll
Modified:
    llvm/trunk/include/llvm/ExecutionEngine/JITSymbol.h
    llvm/trunk/include/llvm/ExecutionEngine/Orc/Core.h
    llvm/trunk/include/llvm/ExecutionEngine/Orc/LLJIT.h
    llvm/trunk/lib/ExecutionEngine/Orc/CompileOnDemandLayer.cpp
    llvm/trunk/lib/ExecutionEngine/Orc/Core.cpp
    llvm/trunk/lib/ExecutionEngine/Orc/ExecutionUtils.cpp
    llvm/trunk/lib/ExecutionEngine/Orc/IndirectionUtils.cpp
    llvm/trunk/lib/ExecutionEngine/Orc/LLJIT.cpp
    llvm/trunk/lib/ExecutionEngine/Orc/LazyReexports.cpp
    llvm/trunk/lib/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.cpp
    llvm/trunk/tools/lli/lli.cpp
    llvm/trunk/unittests/ExecutionEngine/Orc/CoreAPIsTest.cpp
    llvm/trunk/unittests/ExecutionEngine/Orc/RTDyldObjectLinkingLayerTest.cpp

Modified: llvm/trunk/include/llvm/ExecutionEngine/JITSymbol.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ExecutionEngine/JITSymbol.h?rev=345098&r1=345097&r2=345098&view=diff
==============================================================================
--- llvm/trunk/include/llvm/ExecutionEngine/JITSymbol.h (original)
+++ llvm/trunk/include/llvm/ExecutionEngine/JITSymbol.h Tue Oct 23 16:01:39 2018
@@ -40,6 +40,18 @@ class SymbolRef;
 /// Represents an address in the target process's address space.
 using JITTargetAddress = uint64_t;
 
+/// Convert a JITTargetAddress to a pointer.
+template <typename T> T jitTargetAddressToPointer(JITTargetAddress Addr) {
+  static_assert(std::is_pointer<T>::value, "T must be a pointer type");
+  uintptr_t IntPtr = static_cast<uintptr_t>(Addr);
+  assert(IntPtr == Addr && "JITTargetAddress value out of range for uintptr_t");
+  return reinterpret_cast<T>(IntPtr);
+}
+
+template <typename T> JITTargetAddress pointerToJITTargetAddress(T *Ptr) {
+  return static_cast<JITTargetAddress>(reinterpret_cast<uintptr_t>(Ptr));
+}
+
 /// Flags for symbols in the JIT.
 class JITSymbolFlags {
 public:

Modified: llvm/trunk/include/llvm/ExecutionEngine/Orc/Core.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ExecutionEngine/Orc/Core.h?rev=345098&r1=345097&r2=345098&view=diff
==============================================================================
--- llvm/trunk/include/llvm/ExecutionEngine/Orc/Core.h (original)
+++ llvm/trunk/include/llvm/ExecutionEngine/Orc/Core.h Tue Oct 23 16:01:39 2018
@@ -54,8 +54,8 @@ using SymbolFlagsMap = DenseMap<SymbolSt
 ///        symbols to be obtained for logging.
 using SymbolDependenceMap = DenseMap<JITDylib *, SymbolNameSet>;
 
-/// A list of JITDylib pointers.
-using JITDylibList = std::vector<JITDylib *>;
+/// A list of (JITDylib*, bool) pairs.
+using JITDylibSearchList = std::vector<std::pair<JITDylib *, bool>>;
 
 /// Render a SymbolStringPtr.
 raw_ostream &operator<<(raw_ostream &OS, const SymbolStringPtr &Sym);
@@ -85,8 +85,8 @@ raw_ostream &operator<<(raw_ostream &OS,
 /// Render a MaterializationUnit.
 raw_ostream &operator<<(raw_ostream &OS, const MaterializationUnit &MU);
 
-/// Render a JITDylibList.
-raw_ostream &operator<<(raw_ostream &OS, const JITDylibList &JDs);
+/// Render a JITDylibSearchList.
+raw_ostream &operator<<(raw_ostream &OS, const JITDylibSearchList &JDs);
 
 /// Callback to notify client that symbols have been resolved.
 using SymbolsResolvedCallback = std::function<void(Expected<SymbolMap>)>;
@@ -351,14 +351,15 @@ using SymbolAliasMap = DenseMap<SymbolSt
 class ReExportsMaterializationUnit : public MaterializationUnit {
 public:
   /// SourceJD is allowed to be nullptr, in which case the source JITDylib is
-  /// taken to be whatever JITDylib these definitions are materialized in. This
-  /// is useful for defining aliases within a JITDylib.
+  /// taken to be whatever JITDylib these definitions are materialized in (and
+  /// MatchNonExported has no effect). This is useful for defining aliases
+  /// within a JITDylib.
   ///
   /// Note: Care must be taken that no sets of aliases form a cycle, as such
   ///       a cycle will result in a deadlock when any symbol in the cycle is
   ///       resolved.
-  ReExportsMaterializationUnit(JITDylib *SourceJD, SymbolAliasMap Aliases,
-                               VModuleKey K);
+  ReExportsMaterializationUnit(JITDylib *SourceJD, bool MatchNonExported,
+                               SymbolAliasMap Aliases, VModuleKey K);
 
   StringRef getName() const override;
 
@@ -368,6 +369,7 @@ private:
   static SymbolFlagsMap extractFlags(const SymbolAliasMap &Aliases);
 
   JITDylib *SourceJD = nullptr;
+  bool MatchNonExported = false;
   SymbolAliasMap Aliases;
 };
 
@@ -385,16 +387,19 @@ private:
 inline std::unique_ptr<ReExportsMaterializationUnit>
 symbolAliases(SymbolAliasMap Aliases, VModuleKey K = VModuleKey()) {
   return llvm::make_unique<ReExportsMaterializationUnit>(
-      nullptr, std::move(Aliases), std::move(K));
+      nullptr, true, std::move(Aliases), std::move(K));
 }
 
 /// Create a materialization unit for re-exporting symbols from another JITDylib
 /// with alternative names/flags.
+/// If MatchNonExported is true then non-exported symbols from SourceJD can be
+/// re-exported. If it is false, attempts to re-export a non-exported symbol
+/// will result in a "symbol not found" error.
 inline std::unique_ptr<ReExportsMaterializationUnit>
 reexports(JITDylib &SourceJD, SymbolAliasMap Aliases,
-          VModuleKey K = VModuleKey()) {
+          bool MatchNonExported = false, VModuleKey K = VModuleKey()) {
   return llvm::make_unique<ReExportsMaterializationUnit>(
-      &SourceJD, std::move(Aliases), std::move(K));
+      &SourceJD, MatchNonExported, std::move(Aliases), std::move(K));
 }
 
 /// Build a SymbolAliasMap for the common case where you want to re-export
@@ -411,13 +416,14 @@ public:
   /// Create a reexports generator. If an Allow predicate is passed, only
   /// symbols for which the predicate returns true will be reexported. If no
   /// Allow predicate is passed, all symbols will be exported.
-  ReexportsGenerator(JITDylib &SourceJD,
+  ReexportsGenerator(JITDylib &SourceJD, bool MatchNonExported = false,
                      SymbolPredicate Allow = SymbolPredicate());
 
   SymbolNameSet operator()(JITDylib &JD, const SymbolNameSet &Names);
 
 private:
   JITDylib &SourceJD;
+  bool MatchNonExported = false;
   SymbolPredicate Allow;
 };
 
@@ -536,16 +542,18 @@ public:
   /// as the first in the search order (instead of this dylib) ensures that
   /// definitions within this dylib resolve to the lazy-compiling stubs,
   /// rather than immediately materializing the definitions in this dylib.
-  void setSearchOrder(JITDylibList NewSearchOrder,
-                      bool SearchThisJITDylibFirst = true);
+  void setSearchOrder(JITDylibSearchList NewSearchOrder,
+                      bool SearchThisJITDylibFirst = true,
+                      bool MatchNonExportedInThisDylib = true);
 
   /// Add the given JITDylib to the search order for definitions in this
   /// JITDylib.
-  void addToSearchOrder(JITDylib &JD);
+  void addToSearchOrder(JITDylib &JD, bool MatcNonExported = false);
 
   /// Replace OldJD with NewJD in the search order if OldJD is present.
   /// Otherwise this operation is a no-op.
-  void replaceInSearchOrder(JITDylib &OldJD, JITDylib &NewJD);
+  void replaceInSearchOrder(JITDylib &OldJD, JITDylib &NewJD,
+                            bool MatchNonExported = false);
 
   /// Remove the given JITDylib from the search order for this JITDylib if it is
   /// present. Otherwise this operation is a no-op.
@@ -554,7 +562,7 @@ public:
   /// Do something with the search order (run under the session lock).
   template <typename Func>
   auto withSearchOrderDo(Func &&F)
-      -> decltype(F(std::declval<const JITDylibList &>()));
+      -> decltype(F(std::declval<const JITDylibSearchList &>()));
 
   /// Define all symbols provided by the materialization unit to be part of this
   /// JITDylib.
@@ -642,12 +650,12 @@ private:
                                 const SymbolNameSet &Names);
 
   void lodgeQuery(std::shared_ptr<AsynchronousSymbolQuery> &Q,
-                  SymbolNameSet &Unresolved, JITDylib *MatchNonExportedInJD,
-                  bool MatchNonExported, MaterializationUnitList &MUs);
+                  SymbolNameSet &Unresolved, bool MatchNonExported,
+                  MaterializationUnitList &MUs);
 
   void lodgeQueryImpl(std::shared_ptr<AsynchronousSymbolQuery> &Q,
-                      SymbolNameSet &Unresolved, JITDylib *MatchNonExportedInJD,
-                      bool MatchNonExported, MaterializationUnitList &MUs);
+                      SymbolNameSet &Unresolved, bool MatchNonExported,
+                      MaterializationUnitList &MUs);
 
   LookupImplActionFlags
   lookupImpl(std::shared_ptr<AsynchronousSymbolQuery> &Q,
@@ -682,7 +690,7 @@ private:
   UnmaterializedInfosMap UnmaterializedInfos;
   MaterializingInfosMap MaterializingInfos;
   GeneratorFunction DefGenerator;
-  JITDylibList SearchOrder;
+  JITDylibSearchList SearchOrder;
 };
 
 /// An ExecutionSession represents a running JIT program.
@@ -766,6 +774,10 @@ public:
 
   /// Search the given JITDylib list for the given symbols.
   ///
+  /// SearchOrder lists the JITDylibs to search. For each dylib, the associated
+  /// boolean indicates whether the search should match against non-exported
+  /// (hidden visibility) symbols in that dylib (true means match against
+  /// non-exported symbols, false means do not match).
   ///
   /// The OnResolve callback will be called once all requested symbols are
   /// resolved, or if an error occurs prior to resolution.
@@ -782,19 +794,9 @@ public:
   /// dependenant symbols for this query (e.g. it is being made by a top level
   /// client to get an address to call) then the value NoDependenciesToRegister
   /// can be used.
-  ///
-  /// If the MatchNonExportedInJD pointer is non-null, then the lookup will find
-  /// non-exported symbols defined in the JITDylib pointed to by
-  /// MatchNonExportedInJD.
-  /// If MatchNonExported is true the lookup will find non-exported symbols in
-  /// any JITDylib (setting MatchNonExportedInJD is redundant in such cases).
-  /// If MatchNonExported is false and MatchNonExportedInJD is null,
-  /// non-exported symbols will never be found.
-  void lookup(const JITDylibList &JDs, SymbolNameSet Symbols,
+  void lookup(const JITDylibSearchList &SearchOrder, SymbolNameSet Symbols,
               SymbolsResolvedCallback OnResolve, SymbolsReadyCallback OnReady,
-              RegisterDependenciesFunction RegisterDependencies,
-              JITDylib *MatchNonExportedInJD = nullptr,
-              bool MatchNonExported = false);
+              RegisterDependenciesFunction RegisterDependencies);
 
   /// Blocking version of lookup above. Returns the resolved symbol map.
   /// If WaitUntilReady is true (the default), will not return until all
@@ -803,24 +805,29 @@ public:
   /// or an error occurs. If WaitUntilReady is false and an error occurs
   /// after resolution, the function will return a success value, but the
   /// error will be reported via reportErrors.
-  Expected<SymbolMap> lookup(const JITDylibList &JDs,
+  Expected<SymbolMap> lookup(const JITDylibSearchList &SearchOrder,
                              const SymbolNameSet &Symbols,
                              RegisterDependenciesFunction RegisterDependencies =
                                  NoDependenciesToRegister,
-                             bool WaitUntilReady = true,
-                             JITDylib *MatchNonExportedInJD = nullptr,
-                             bool MatchNonExported = false);
+                             bool WaitUntilReady = true);
+
+  /// Convenience version of blocking lookup.
+  /// Searches each of the JITDylibs in the search order in turn for the given
+  /// symbol.
+  Expected<JITEvaluatedSymbol> lookup(const JITDylibSearchList &SearchOrder,
+                                      SymbolStringPtr Symbol);
 
   /// Convenience version of blocking lookup.
-  /// Performs a single-symbol lookup.
-  Expected<JITEvaluatedSymbol> lookup(const JITDylibList &JDs,
-                                      SymbolStringPtr Symbol,
-                                      bool MatchNonExported = false);
+  /// Searches each of the JITDylibs in the search order in turn for the given
+  /// symbol. The search will not find non-exported symbols.
+  Expected<JITEvaluatedSymbol> lookup(ArrayRef<JITDylib *> SearchOrder,
+                                      SymbolStringPtr Symbol);
 
   /// Convenience version of blocking lookup.
-  /// Performs a single-symbol lookup, auto-interning the given symbol name.
-  Expected<JITEvaluatedSymbol> lookup(const JITDylibList &JDs, StringRef Symbol,
-                                      bool MatchNonExported = false);
+  /// Searches each of the JITDylibs in the search order in turn for the given
+  /// symbol. The search will not find non-exported symbols.
+  Expected<JITEvaluatedSymbol> lookup(ArrayRef<JITDylib *> SearchOrder,
+                                      StringRef Symbol);
 
   /// Materialize the given unit.
   void dispatchMaterialization(JITDylib &JD,
@@ -866,7 +873,7 @@ private:
 
 template <typename Func>
 auto JITDylib::withSearchOrderDo(Func &&F)
-    -> decltype(F(std::declval<const JITDylibList &>())) {
+    -> decltype(F(std::declval<const JITDylibSearchList &>())) {
   return ES.runSessionLocked([&]() { return F(SearchOrder); });
 }
 

Modified: llvm/trunk/include/llvm/ExecutionEngine/Orc/LLJIT.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ExecutionEngine/Orc/LLJIT.h?rev=345098&r1=345097&r2=345098&view=diff
==============================================================================
--- llvm/trunk/include/llvm/ExecutionEngine/Orc/LLJIT.h (original)
+++ llvm/trunk/include/llvm/ExecutionEngine/Orc/LLJIT.h Tue Oct 23 16:01:39 2018
@@ -144,7 +144,7 @@ public:
   /// LLLazyJIT with the given number of compile threads.
   static Expected<std::unique_ptr<LLLazyJIT>>
   Create(JITTargetMachineBuilder JTMB, DataLayout DL,
-         unsigned NumCompileThreads = 0);
+         JITTargetAddress ErrorAddr, unsigned NumCompileThreads = 0);
 
   /// Set an IR transform (e.g. pass manager pipeline) to run on each function
   /// when it is compiled.

Modified: llvm/trunk/lib/ExecutionEngine/Orc/CompileOnDemandLayer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/ExecutionEngine/Orc/CompileOnDemandLayer.cpp?rev=345098&r1=345097&r2=345098&view=diff
==============================================================================
--- llvm/trunk/lib/ExecutionEngine/Orc/CompileOnDemandLayer.cpp (original)
+++ llvm/trunk/lib/ExecutionEngine/Orc/CompileOnDemandLayer.cpp Tue Oct 23 16:01:39 2018
@@ -157,7 +157,7 @@ void CompileOnDemandLayer::emit(Material
     return;
   }
 
-  R.replace(reexports(PDR.getImplDylib(), std::move(NonCallables)));
+  R.replace(reexports(PDR.getImplDylib(), std::move(NonCallables), true));
   R.replace(lazyReexports(LCTMgr, PDR.getISManager(), PDR.getImplDylib(),
                           std::move(Callables)));
 }
@@ -166,10 +166,17 @@ CompileOnDemandLayer::PerDylibResources
 CompileOnDemandLayer::getPerDylibResources(JITDylib &TargetD) {
   auto I = DylibResources.find(&TargetD);
   if (I == DylibResources.end()) {
-    auto &ImplD =
-        getExecutionSession().createJITDylib(TargetD.getName() + ".impl");
-    TargetD.withSearchOrderDo([&](const JITDylibList &TargetSearchOrder) {
-      ImplD.setSearchOrder(TargetSearchOrder, false);
+    auto &ImplD = getExecutionSession().createJITDylib(
+        TargetD.getName() + ".impl", false);
+    TargetD.withSearchOrderDo([&](const JITDylibSearchList &TargetSearchOrder) {
+      auto NewSearchOrder = TargetSearchOrder;
+      assert(!NewSearchOrder.empty() &&
+             NewSearchOrder.front().first == &TargetD &&
+             NewSearchOrder.front().second == true &&
+             "TargetD must be at the front of its own search order and match "
+             "non-exported symbol");
+      NewSearchOrder.insert(std::next(NewSearchOrder.begin()), {&ImplD, true});
+      ImplD.setSearchOrder(std::move(NewSearchOrder), false);
     });
     PerDylibResources PDR(ImplD, BuildIndirectStubsManager());
     I = DylibResources.insert(std::make_pair(&TargetD, std::move(PDR))).first;

Modified: llvm/trunk/lib/ExecutionEngine/Orc/Core.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/ExecutionEngine/Orc/Core.cpp?rev=345098&r1=345097&r2=345098&view=diff
==============================================================================
--- llvm/trunk/lib/ExecutionEngine/Orc/Core.cpp (original)
+++ llvm/trunk/lib/ExecutionEngine/Orc/Core.cpp Tue Oct 23 16:01:39 2018
@@ -205,14 +205,16 @@ raw_ostream &operator<<(raw_ostream &OS,
   return OS << ")";
 }
 
-raw_ostream &operator<<(raw_ostream &OS, const JITDylibList &JDs) {
+raw_ostream &operator<<(raw_ostream &OS, const JITDylibSearchList &JDs) {
   OS << "[";
   if (!JDs.empty()) {
-    assert(JDs.front() && "JITDylibList entries must not be null");
-    OS << " " << JDs.front()->getName();
-    for (auto *JD : make_range(std::next(JDs.begin()), JDs.end())) {
-      assert(JD && "JITDylibList entries must not be null");
-      OS << ", " << JD->getName();
+    assert(JDs.front().first && "JITDylibList entries must not be null");
+    OS << " (\"" << JDs.front().first->getName() << "\", "
+       << (JDs.front().second ? "true" : "false") << ")";
+    for (auto &KV : make_range(std::next(JDs.begin()), JDs.end())) {
+      assert(KV.first && "JITDylibList entries must not be null");
+      OS << ", (\"" << KV.first->getName() << "\", "
+         << (KV.second ? "true" : "false") << ")";
     }
   }
   OS << " ]";
@@ -526,9 +528,11 @@ AbsoluteSymbolsMaterializationUnit::extr
 }
 
 ReExportsMaterializationUnit::ReExportsMaterializationUnit(
-    JITDylib *SourceJD, SymbolAliasMap Aliases, VModuleKey K)
+    JITDylib *SourceJD, bool MatchNonExported, SymbolAliasMap Aliases,
+    VModuleKey K)
     : MaterializationUnit(extractFlags(Aliases), std::move(K)),
-      SourceJD(SourceJD), Aliases(std::move(Aliases)) {}
+      SourceJD(SourceJD), MatchNonExported(MatchNonExported),
+      Aliases(std::move(Aliases)) {}
 
 StringRef ReExportsMaterializationUnit::getName() const {
   return "<Reexports>";
@@ -556,7 +560,7 @@ void ReExportsMaterializationUnit::mater
 
   if (!Aliases.empty()) {
     if (SourceJD)
-      R.replace(reexports(*SourceJD, std::move(Aliases)));
+      R.replace(reexports(*SourceJD, std::move(Aliases), MatchNonExported));
     else
       R.replace(symbolAliases(std::move(Aliases)));
   }
@@ -656,8 +660,9 @@ void ReExportsMaterializationUnit::mater
 
     auto OnReady = [&ES](Error Err) { ES.reportError(std::move(Err)); };
 
-    ES.lookup({&SrcJD}, QuerySymbols, std::move(OnResolve), std::move(OnReady),
-              std::move(RegisterDependencies), nullptr, true);
+    ES.lookup(JITDylibSearchList({{&SrcJD, MatchNonExported}}), QuerySymbols,
+              std::move(OnResolve), std::move(OnReady),
+              std::move(RegisterDependencies));
   }
 }
 
@@ -698,8 +703,10 @@ buildSimpleReexportsAliasMap(JITDylib &S
 }
 
 ReexportsGenerator::ReexportsGenerator(JITDylib &SourceJD,
+                                       bool MatchNonExported,
                                        SymbolPredicate Allow)
-    : SourceJD(SourceJD), Allow(std::move(Allow)) {}
+    : SourceJD(SourceJD), MatchNonExported(MatchNonExported),
+      Allow(std::move(Allow)) {}
 
 SymbolNameSet ReexportsGenerator::operator()(JITDylib &JD,
                                              const SymbolNameSet &Names) {
@@ -716,7 +723,7 @@ SymbolNameSet ReexportsGenerator::operat
   }
 
   if (!Added.empty())
-    cantFail(JD.define(reexports(SourceJD, AliasMap)));
+    cantFail(JD.define(reexports(SourceJD, AliasMap, MatchNonExported)));
 
   return Added;
 }
@@ -1041,30 +1048,41 @@ void JITDylib::notifyFailed(const Symbol
     Q->handleFailed(make_error<FailedToMaterialize>(FailedSymbols));
 }
 
-void JITDylib::setSearchOrder(JITDylibList NewSearchOrder,
-                              bool SearchThisJITDylibFirst) {
-  if (SearchThisJITDylibFirst && NewSearchOrder.front() != this)
-    NewSearchOrder.insert(NewSearchOrder.begin(), this);
+void JITDylib::setSearchOrder(JITDylibSearchList NewSearchOrder,
+                              bool SearchThisJITDylibFirst,
+                              bool MatchNonExportedInThisDylib) {
+  if (SearchThisJITDylibFirst && NewSearchOrder.front().first != this)
+    NewSearchOrder.insert(NewSearchOrder.begin(),
+                          {this, MatchNonExportedInThisDylib});
 
   ES.runSessionLocked([&]() { SearchOrder = std::move(NewSearchOrder); });
 }
 
-void JITDylib::addToSearchOrder(JITDylib &JD) {
-  ES.runSessionLocked([&]() { SearchOrder.push_back(&JD); });
+void JITDylib::addToSearchOrder(JITDylib &JD, bool MatchNonExported) {
+  ES.runSessionLocked([&]() {
+    SearchOrder.push_back({&JD, MatchNonExported});
+  });
 }
 
-void JITDylib::replaceInSearchOrder(JITDylib &OldJD, JITDylib &NewJD) {
+void JITDylib::replaceInSearchOrder(JITDylib &OldJD, JITDylib &NewJD,
+                                    bool MatchNonExported) {
   ES.runSessionLocked([&]() {
-    auto I = std::find(SearchOrder.begin(), SearchOrder.end(), &OldJD);
+    auto I = std::find_if(SearchOrder.begin(), SearchOrder.end(),
+                          [&](const JITDylibSearchList::value_type &KV) {
+                            return KV.first == &OldJD;
+                          });
 
     if (I != SearchOrder.end())
-      *I = &NewJD;
+      *I = {&NewJD, MatchNonExported};
   });
 }
 
 void JITDylib::removeFromSearchOrder(JITDylib &JD) {
   ES.runSessionLocked([&]() {
-    auto I = std::find(SearchOrder.begin(), SearchOrder.end(), &JD);
+    auto I = std::find_if(SearchOrder.begin(), SearchOrder.end(),
+                          [&](const JITDylibSearchList::value_type &KV) {
+                            return KV.first == &JD;
+                          });
     if (I != SearchOrder.end())
       SearchOrder.erase(I);
   });
@@ -1161,18 +1179,17 @@ SymbolNameSet JITDylib::lookupFlagsImpl(
 }
 
 void JITDylib::lodgeQuery(std::shared_ptr<AsynchronousSymbolQuery> &Q,
-                          SymbolNameSet &Unresolved,
-                          JITDylib *MatchNonExportedInJD, bool MatchNonExported,
+                          SymbolNameSet &Unresolved, bool MatchNonExported,
                           MaterializationUnitList &MUs) {
   assert(Q && "Query can not be null");
 
-  lodgeQueryImpl(Q, Unresolved, MatchNonExportedInJD, MatchNonExported, MUs);
+  lodgeQueryImpl(Q, Unresolved, MatchNonExported, MUs);
   if (DefGenerator && !Unresolved.empty()) {
     auto NewDefs = DefGenerator(*this, Unresolved);
     if (!NewDefs.empty()) {
       for (auto &D : NewDefs)
         Unresolved.erase(D);
-      lodgeQueryImpl(Q, NewDefs, MatchNonExportedInJD, MatchNonExported, MUs);
+      lodgeQueryImpl(Q, NewDefs, MatchNonExported, MUs);
       assert(NewDefs.empty() &&
              "All fallback defs should have been found by lookupImpl");
     }
@@ -1181,7 +1198,7 @@ void JITDylib::lodgeQuery(std::shared_pt
 
 void JITDylib::lodgeQueryImpl(
     std::shared_ptr<AsynchronousSymbolQuery> &Q, SymbolNameSet &Unresolved,
-    JITDylib *MatchNonExportedInJD, bool MatchNonExported,
+    bool MatchNonExported,
     std::vector<std::unique_ptr<MaterializationUnit>> &MUs) {
 
   std::vector<SymbolStringPtr> ToRemove;
@@ -1191,12 +1208,9 @@ void JITDylib::lodgeQueryImpl(
     if (SymI == Symbols.end())
       continue;
 
-    // If this is a non-exported symbol, then check the values of
-    // MatchNonExportedInJD and MatchNonExported. Skip if we should not match
-    // against this symbol.
-    if (!SymI->second.getFlags().isExported())
-      if (!MatchNonExported && MatchNonExportedInJD != this)
-        continue;
+    // If this is a non exported symbol and we're skipping those then skip it.
+    if (!SymI->second.getFlags().isExported() && !MatchNonExported)
+      continue;
 
     // If we matched against Name in JD, mark it to be removed from the Unresolved
     // set.
@@ -1382,8 +1396,9 @@ void JITDylib::dump(raw_ostream &OS) {
        << "\" (ES: " << format("0x%016x", reinterpret_cast<uintptr_t>(&ES))
        << "):\n"
        << "Search order: [";
-    for (auto *JD : SearchOrder)
-      OS << " \"" << JD->getName() << "\"";
+    for (auto &KV : SearchOrder)
+      OS << " (\"" << KV.first->getName() << "\", "
+         << (KV.second ? "all" : "exported only") << ")";
     OS << " ]\n"
        << "Symbol table:\n";
 
@@ -1431,7 +1446,7 @@ void JITDylib::dump(raw_ostream &OS) {
 
 JITDylib::JITDylib(ExecutionSession &ES, std::string Name)
     : ES(ES), JITDylibName(std::move(Name)) {
-  SearchOrder.push_back(this);
+  SearchOrder.push_back({this, true});
 }
 
 Error JITDylib::defineImpl(MaterializationUnit &MU) {
@@ -1724,12 +1739,10 @@ Expected<SymbolMap> ExecutionSession::le
 #endif
 }
 
-void ExecutionSession::lookup(const JITDylibList &JDs, SymbolNameSet Symbols,
-                              SymbolsResolvedCallback OnResolve,
-                              SymbolsReadyCallback OnReady,
-                              RegisterDependenciesFunction RegisterDependencies,
-                              JITDylib *MatchNonExportedInJD,
-                              bool MatchNonExported) {
+void ExecutionSession::lookup(
+    const JITDylibSearchList &SearchOrder, SymbolNameSet Symbols,
+    SymbolsResolvedCallback OnResolve, SymbolsReadyCallback OnReady,
+    RegisterDependenciesFunction RegisterDependencies) {
 
   // lookup can be re-entered recursively if running on a single thread. Run any
   // outstanding MUs in case this query depends on them, otherwise this lookup
@@ -1745,12 +1758,14 @@ void ExecutionSession::lookup(const JITD
   bool QueryFailed = false;
 
   runSessionLocked([&]() {
-    for (auto *JD : JDs) {
-      assert(JD && "JITDylibList entries must not be null");
-      assert(!CollectedMUsMap.count(JD) &&
+    for (auto &KV : SearchOrder) {
+      assert(KV.first && "JITDylibList entries must not be null");
+      assert(!CollectedMUsMap.count(KV.first) &&
              "JITDylibList should not contain duplicate entries");
-      JD->lodgeQuery(Q, Unresolved, MatchNonExportedInJD, MatchNonExported,
-                     CollectedMUsMap[JD]);
+
+      auto &JD = *KV.first;
+      auto MatchNonExported = KV.second;
+      JD.lodgeQuery(Q, Unresolved, MatchNonExported, CollectedMUsMap[&JD]);
     }
 
     if (Unresolved.empty()) {
@@ -1801,11 +1816,9 @@ void ExecutionSession::lookup(const JITD
   runOutstandingMUs();
 }
 
-Expected<SymbolMap>
-ExecutionSession::lookup(const JITDylibList &JDs, const SymbolNameSet &Symbols,
-                         RegisterDependenciesFunction RegisterDependencies,
-                         bool WaitUntilReady, JITDylib *MatchNonExportedInJD,
-                         bool MatchNonExported) {
+Expected<SymbolMap> ExecutionSession::lookup(
+    const JITDylibSearchList &SearchOrder, const SymbolNameSet &Symbols,
+    RegisterDependenciesFunction RegisterDependencies, bool WaitUntilReady) {
 #if LLVM_ENABLE_THREADS
   // In the threaded case we use promises to return the results.
   std::promise<SymbolMap> PromisedResult;
@@ -1872,8 +1885,7 @@ ExecutionSession::lookup(const JITDylibL
 #endif
 
   // Perform the asynchronous lookup.
-  lookup(JDs, Symbols, OnResolve, OnReady, RegisterDependencies,
-         MatchNonExportedInJD, MatchNonExported);
+  lookup(SearchOrder, Symbols, OnResolve, OnReady, RegisterDependencies);
 
 #if LLVM_ENABLE_THREADS
   auto ResultFuture = PromisedResult.get_future();
@@ -1916,14 +1928,13 @@ ExecutionSession::lookup(const JITDylibL
 #endif
 }
 
-/// Look up a symbol by searching a list of JDs.
-Expected<JITEvaluatedSymbol> ExecutionSession::lookup(const JITDylibList &JDs,
-                                                      SymbolStringPtr Name,
-                                                      bool MatchNonExported) {
+Expected<JITEvaluatedSymbol>
+ExecutionSession::lookup(const JITDylibSearchList &SearchOrder,
+                         SymbolStringPtr Name) {
   SymbolNameSet Names({Name});
 
-  if (auto ResultMap = lookup(JDs, std::move(Names), NoDependenciesToRegister,
-                              true, nullptr, MatchNonExported)) {
+  if (auto ResultMap = lookup(SearchOrder, std::move(Names),
+                              NoDependenciesToRegister, true)) {
     assert(ResultMap->size() == 1 && "Unexpected number of results");
     assert(ResultMap->count(Name) && "Missing result for symbol");
     return std::move(ResultMap->begin()->second);
@@ -1931,10 +1942,21 @@ Expected<JITEvaluatedSymbol> ExecutionSe
     return ResultMap.takeError();
 }
 
-Expected<JITEvaluatedSymbol> ExecutionSession::lookup(const JITDylibList &JDs,
-                                                      StringRef Name,
-                                                      bool MatchNonExported) {
-  return lookup(JDs, intern(Name), MatchNonExported);
+Expected<JITEvaluatedSymbol>
+ExecutionSession::lookup(ArrayRef<JITDylib *> SearchOrder,
+                         SymbolStringPtr Name) {
+  SymbolNameSet Names({Name});
+
+  JITDylibSearchList FullSearchOrder(SearchOrder.size());
+  for (auto *JD : SearchOrder)
+    FullSearchOrder.push_back({JD, false});
+
+  return lookup(FullSearchOrder, Name);
+}
+
+Expected<JITEvaluatedSymbol>
+ExecutionSession::lookup(ArrayRef<JITDylib *> SearchOrder, StringRef Name) {
+  return lookup(SearchOrder, intern(Name));
 }
 
 void ExecutionSession::dump(raw_ostream &OS) {

Modified: llvm/trunk/lib/ExecutionEngine/Orc/ExecutionUtils.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/ExecutionEngine/Orc/ExecutionUtils.cpp?rev=345098&r1=345097&r2=345098&view=diff
==============================================================================
--- llvm/trunk/lib/ExecutionEngine/Orc/ExecutionUtils.cpp (original)
+++ llvm/trunk/lib/ExecutionEngine/Orc/ExecutionUtils.cpp Tue Oct 23 16:01:39 2018
@@ -130,8 +130,8 @@ Error CtorDtorRunner::run() {
 
   auto &ES = JD.getExecutionSession();
   if (auto CtorDtorMap =
-          ES.lookup({&JD}, std::move(Names), NoDependenciesToRegister, true,
-                    nullptr, true)) {
+          ES.lookup(JITDylibSearchList({{&JD, true}}), std::move(Names),
+                    NoDependenciesToRegister, true)) {
     for (auto &KV : CtorDtorsByPriority) {
       for (auto &Name : KV.second) {
         assert(CtorDtorMap->count(Name) && "No entry for Name");

Modified: llvm/trunk/lib/ExecutionEngine/Orc/IndirectionUtils.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/ExecutionEngine/Orc/IndirectionUtils.cpp?rev=345098&r1=345097&r2=345098&view=diff
==============================================================================
--- llvm/trunk/lib/ExecutionEngine/Orc/IndirectionUtils.cpp (original)
+++ llvm/trunk/lib/ExecutionEngine/Orc/IndirectionUtils.cpp Tue Oct 23 16:01:39 2018
@@ -101,7 +101,7 @@ JITTargetAddress JITCompileCallbackManag
       Name = I->second;
   }
 
-  if (auto Sym = ES.lookup({&CallbacksJD}, Name, true))
+  if (auto Sym = ES.lookup(JITDylibSearchList({{&CallbacksJD, true}}), Name))
     return Sym->getAddress();
   else {
     llvm::dbgs() << "Didn't find callback.\n";

Modified: llvm/trunk/lib/ExecutionEngine/Orc/LLJIT.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/ExecutionEngine/Orc/LLJIT.cpp?rev=345098&r1=345097&r2=345098&view=diff
==============================================================================
--- llvm/trunk/lib/ExecutionEngine/Orc/LLJIT.cpp (original)
+++ llvm/trunk/lib/ExecutionEngine/Orc/LLJIT.cpp Tue Oct 23 16:01:39 2018
@@ -76,7 +76,7 @@ Error LLJIT::addObjectFile(JITDylib &JD,
 
 Expected<JITEvaluatedSymbol> LLJIT::lookupLinkerMangled(JITDylib &JD,
                                                         StringRef Name) {
-  return ES->lookup({&JD}, ES->intern(Name));
+  return ES->lookup(JITDylibSearchList({{&JD, true}}), ES->intern(Name));
 }
 
 LLJIT::LLJIT(std::unique_ptr<ExecutionSession> ES,
@@ -144,13 +144,13 @@ void LLJIT::recordCtorDtors(Module &M) {
 }
 
 Expected<std::unique_ptr<LLLazyJIT>>
-  LLLazyJIT::Create(JITTargetMachineBuilder JTMB, DataLayout DL,
-                    unsigned NumCompileThreads) {
+LLLazyJIT::Create(JITTargetMachineBuilder JTMB, DataLayout DL,
+                  JITTargetAddress ErrorAddr, unsigned NumCompileThreads) {
   auto ES = llvm::make_unique<ExecutionSession>();
 
   const Triple &TT = JTMB.getTargetTriple();
 
-  auto LCTMgr = createLocalLazyCallThroughManager(TT, *ES, 0);
+  auto LCTMgr = createLocalLazyCallThroughManager(TT, *ES, ErrorAddr);
   if (!LCTMgr)
     return LCTMgr.takeError();
 

Modified: llvm/trunk/lib/ExecutionEngine/Orc/LazyReexports.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/ExecutionEngine/Orc/LazyReexports.cpp?rev=345098&r1=345097&r2=345098&view=diff
==============================================================================
--- llvm/trunk/lib/ExecutionEngine/Orc/LazyReexports.cpp (original)
+++ llvm/trunk/lib/ExecutionEngine/Orc/LazyReexports.cpp Tue Oct 23 16:01:39 2018
@@ -52,8 +52,8 @@ LazyCallThroughManager::callThroughToSym
     SymbolName = I->second.second;
   }
 
-  auto LookupResult = ES.lookup({SourceJD}, {SymbolName},
-                                NoDependenciesToRegister, true, nullptr, true);
+  auto LookupResult = ES.lookup(JITDylibSearchList({{SourceJD, true}}),
+                                {SymbolName}, NoDependenciesToRegister, true);
 
   if (!LookupResult) {
     ES.reportError(LookupResult.takeError());

Modified: llvm/trunk/lib/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.cpp?rev=345098&r1=345097&r2=345098&view=diff
==============================================================================
--- llvm/trunk/lib/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.cpp (original)
+++ llvm/trunk/lib/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.cpp Tue Oct 23 16:01:39 2018
@@ -50,10 +50,11 @@ public:
       MR.addDependenciesForAll(Deps);
     };
 
-    MR.getTargetJITDylib().withSearchOrderDo([&](const JITDylibList &JDs) {
-      ES.lookup(JDs, InternedSymbols, OnResolvedWithUnwrap, OnReady,
-                RegisterDependencies, &MR.getTargetJITDylib());
-    });
+    JITDylibSearchList SearchOrder;
+    MR.getTargetJITDylib().withSearchOrderDo(
+        [&](const JITDylibSearchList &JDs) { SearchOrder = JDs; });
+    ES.lookup(SearchOrder, InternedSymbols, OnResolvedWithUnwrap, OnReady,
+              RegisterDependencies);
   }
 
   Expected<LookupSet> getResponsibilitySet(const LookupSet &Symbols) {

Added: llvm/trunk/test/ExecutionEngine/OrcLazy/Inputs/hidden-definitions.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/ExecutionEngine/OrcLazy/Inputs/hidden-definitions.ll?rev=345098&view=auto
==============================================================================
--- llvm/trunk/test/ExecutionEngine/OrcLazy/Inputs/hidden-definitions.ll (added)
+++ llvm/trunk/test/ExecutionEngine/OrcLazy/Inputs/hidden-definitions.ll Tue Oct 23 16:01:39 2018
@@ -0,0 +1,6 @@
+ at bar = hidden global i32 0
+
+define hidden i32 @foo() {
+entry:
+  ret i32 0
+}

Added: llvm/trunk/test/ExecutionEngine/OrcLazy/hidden-visibility.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/ExecutionEngine/OrcLazy/hidden-visibility.ll?rev=345098&view=auto
==============================================================================
--- llvm/trunk/test/ExecutionEngine/OrcLazy/hidden-visibility.ll (added)
+++ llvm/trunk/test/ExecutionEngine/OrcLazy/hidden-visibility.ll Tue Oct 23 16:01:39 2018
@@ -0,0 +1,17 @@
+; RUN: lli -jit-kind=orc-lazy -extra-module %p/Inputs/hidden-definitions.ll %s
+; RUN: not lli -jit-kind=orc-lazy -jd libFoo -extra-module %p/Inputs/hidden-definitions.ll %s
+;
+; Check that hidden symbols in another module are visible when the module is
+; added to the same JITDylib, and not visible if it is added to a different
+; JITDylib.
+
+ at bar = external global i32
+declare i32 @foo()
+
+define i32 @main(i32 %argc, i8** nocapture readnone %argv) {
+entry:
+  %0 = call i32() @foo()
+  %1 = load i32, i32* @bar
+  %2 = add i32 %0, %1
+  ret i32 %2
+}

Modified: llvm/trunk/tools/lli/lli.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/lli/lli.cpp?rev=345098&r1=345097&r2=345098&view=diff
==============================================================================
--- llvm/trunk/tools/lli/lli.cpp (original)
+++ llvm/trunk/tools/lli/lli.cpp Tue Oct 23 16:01:39 2018
@@ -115,6 +115,11 @@ namespace {
                "rather than individual functions"),
       cl::init(false));
 
+  cl::list<std::string>
+      JITDylibs("jd",
+                cl::desc("Specifies the JITDylib to be used for any subsequent "
+                         "-extra-module arguments."));
+
   // The MCJIT supports building for a target address space separate from
   // the JIT compilation process. Use a forked process and a copying
   // memory manager with IPC to execute using this functionality.
@@ -749,6 +754,8 @@ static orc::IRTransformLayer::TransformF
   llvm_unreachable("Unknown DumpKind");
 }
 
+static void exitOnLazyCallThroughFailure() { exit(1); }
+
 int runOrcLazyJIT(const char *ProgName) {
   // Start setting up the JIT environment.
 
@@ -778,7 +785,11 @@ int runOrcLazyJIT(const char *ProgName)
                         : None);
 
   DataLayout DL = ExitOnErr(JTMB.getDefaultDataLayoutForTarget());
-  auto J = ExitOnErr(orc::LLLazyJIT::Create(std::move(JTMB), DL, LazyJITCompileThreads));
+
+  auto J = ExitOnErr(orc::LLLazyJIT::Create(
+      std::move(JTMB), DL,
+      pointerToJITTargetAddress(exitOnLazyCallThroughFailure),
+      LazyJITCompileThreads));
 
   if (PerModuleLazy)
     J->setPartitionFunction(orc::CompileOnDemandLayer::compileWholeModule);
@@ -803,13 +814,32 @@ int runOrcLazyJIT(const char *ProgName)
   // Add the main module.
   ExitOnErr(J->addLazyIRModule(std::move(MainModule)));
 
-  // Add any extra modules.
-  for (auto &ModulePath : ExtraModules) {
-    auto M = parseIRFile(ModulePath, Err, *TSCtx.getContext());
-    if (!M)
-      reportError(Err, ProgName);
+  // Create JITDylibs and add any extra modules.
+  {
+    // Create JITDylibs, keep a map from argument index to dylib. We will use
+    // -extra-module argument indexes to determine what dylib to use for each
+    // -extra-module.
+    std::map<unsigned, orc::JITDylib *> IdxToDylib;
+    IdxToDylib[0] = &J->getMainJITDylib();
+    for (auto JDItr = JITDylibs.begin(), JDEnd = JITDylibs.end();
+         JDItr != JDEnd; ++JDItr) {
+      IdxToDylib[JITDylibs.getPosition(JDItr - JITDylibs.begin())] =
+          &J->createJITDylib(*JDItr);
+    }
 
-    ExitOnErr(J->addLazyIRModule(orc::ThreadSafeModule(std::move(M), TSCtx)));
+    for (auto EMItr = ExtraModules.begin(), EMEnd = ExtraModules.end();
+         EMItr != EMEnd; ++EMItr) {
+      auto M = parseIRFile(*EMItr, Err, *TSCtx.getContext());
+      if (!M)
+        reportError(Err, ProgName);
+
+      auto EMIdx = ExtraModules.getPosition(EMItr - ExtraModules.begin());
+      assert(EMIdx != 0 && "ExtraModule should have index > 0");
+      auto JDItr = std::prev(IdxToDylib.lower_bound(EMIdx));
+      auto &JD = *JDItr->second;
+      ExitOnErr(
+          J->addLazyIRModule(JD, orc::ThreadSafeModule(std::move(M), TSCtx)));
+    }
   }
 
   // Add the objects.
@@ -837,6 +867,8 @@ int runOrcLazyJIT(const char *ProgName)
     AltEntryThreads.push_back(std::thread([EntryPoint]() { EntryPoint(); }));
   }
 
+  J->getExecutionSession().dump(llvm::dbgs());
+
   // Run main.
   auto MainSym = ExitOnErr(J->lookup("main"));
   typedef int (*MainFnPtr)(int, const char *[]);

Modified: llvm/trunk/unittests/ExecutionEngine/Orc/CoreAPIsTest.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/ExecutionEngine/Orc/CoreAPIsTest.cpp?rev=345098&r1=345097&r2=345098&view=diff
==============================================================================
--- llvm/trunk/unittests/ExecutionEngine/Orc/CoreAPIsTest.cpp (original)
+++ llvm/trunk/unittests/ExecutionEngine/Orc/CoreAPIsTest.cpp Tue Oct 23 16:01:39 2018
@@ -48,7 +48,8 @@ TEST_F(CoreAPIsStandardTest, BasicSucces
         FooMR = std::make_shared<MaterializationResponsibility>(std::move(R));
       })));
 
-  ES.lookup({&JD}, {Foo}, OnResolution, OnReady, NoDependenciesToRegister);
+  ES.lookup(JITDylibSearchList({{&JD, false}}), {Foo}, OnResolution, OnReady,
+            NoDependenciesToRegister);
 
   EXPECT_FALSE(OnResolutionRun) << "Should not have been resolved yet";
   EXPECT_FALSE(OnReadyRun) << "Should not have been marked ready yet";
@@ -101,7 +102,8 @@ TEST_F(CoreAPIsStandardTest, EmptyLookup
     OnReadyRun = true;
   };
 
-  ES.lookup({&JD}, {}, OnResolution, OnReady, NoDependenciesToRegister);
+  ES.lookup(JITDylibSearchList({{&JD, false}}), {}, OnResolution, OnReady,
+            NoDependenciesToRegister);
 
   EXPECT_TRUE(OnResolvedRun) << "OnResolved was not run for empty query";
   EXPECT_TRUE(OnReadyRun) << "OnReady was not run for empty query";
@@ -148,7 +150,7 @@ TEST_F(CoreAPIsStandardTest, RemoveSymbo
 
   bool OnResolvedRun = false;
   bool OnReadyRun = false;
-  ES.lookup({&JD}, {Foo, Baz},
+  ES.lookup(JITDylibSearchList({{&JD, false}}), {Foo, Baz},
             [&](Expected<SymbolMap> Result) {
               EXPECT_TRUE(!!Result) << "OnResolved failed unexpectedly";
               consumeError(Result.takeError());
@@ -229,7 +231,9 @@ TEST_F(CoreAPIsStandardTest, LookupWithH
   auto &JD2 = ES.createJITDylib("JD2");
   cantFail(JD2.define(absoluteSymbols({{Bar, QuxSym}})));
 
-  auto Result = cantFail(ES.lookup({&JD, &JD2}, {Foo, Bar}));
+  /// Try a blocking lookup.
+  auto Result = cantFail(
+      ES.lookup(JITDylibSearchList({{&JD, false}, {&JD2, false}}), {Foo, Bar}));
 
   EXPECT_EQ(Result.size(), 2U) << "Unexpected number of results";
   EXPECT_EQ(Result.count(Foo), 1U) << "Missing result for \"Foo\"";
@@ -275,7 +279,7 @@ TEST_F(CoreAPIsStandardTest, TestBasicAl
                                     {Qux, {Bar, JITSymbolFlags::Weak}}})));
   cantFail(JD.define(absoluteSymbols({{Qux, QuxSym}})));
 
-  auto Result = ES.lookup({&JD}, {Baz, Qux});
+  auto Result = ES.lookup(JITDylibSearchList({{&JD, false}}), {Baz, Qux});
   EXPECT_TRUE(!!Result) << "Unexpected lookup failure";
   EXPECT_EQ(Result->count(Baz), 1U) << "No result for \"baz\"";
   EXPECT_EQ(Result->count(Qux), 1U) << "No result for \"qux\"";
@@ -290,7 +294,7 @@ TEST_F(CoreAPIsStandardTest, TestChained
   cantFail(JD.define(symbolAliases(
       {{Baz, {Bar, BazSym.getFlags()}}, {Bar, {Foo, BarSym.getFlags()}}})));
 
-  auto Result = ES.lookup({&JD}, {Bar, Baz});
+  auto Result = ES.lookup(JITDylibSearchList({{&JD, false}}), {Bar, Baz});
   EXPECT_TRUE(!!Result) << "Unexpected lookup failure";
   EXPECT_EQ(Result->count(Bar), 1U) << "No result for \"bar\"";
   EXPECT_EQ(Result->count(Baz), 1U) << "No result for \"baz\"";
@@ -309,7 +313,7 @@ TEST_F(CoreAPIsStandardTest, TestBasicRe
 
   cantFail(JD2.define(reexports(JD, {{Bar, {Foo, BarSym.getFlags()}}})));
 
-  auto Result = cantFail(ES.lookup({&JD2}, Bar));
+  auto Result = cantFail(ES.lookup(JITDylibSearchList({{&JD2, false}}), Bar));
   EXPECT_EQ(Result.getAddress(), FooSym.getAddress())
       << "Re-export Bar for symbol Foo should match FooSym's address";
 }
@@ -335,7 +339,7 @@ TEST_F(CoreAPIsStandardTest, TestThatReE
   cantFail(JD2.define(reexports(
       JD, {{Baz, {Foo, BazSym.getFlags()}}, {Qux, {Bar, QuxSym.getFlags()}}})));
 
-  auto Result = cantFail(ES.lookup({&JD2}, Baz));
+  auto Result = cantFail(ES.lookup(JITDylibSearchList({{&JD2, false}}), Baz));
   EXPECT_EQ(Result.getAddress(), FooSym.getAddress())
       << "Re-export Baz for symbol Foo should match FooSym's address";
 
@@ -350,13 +354,13 @@ TEST_F(CoreAPIsStandardTest, TestReexpor
 
   auto Filter = [this](SymbolStringPtr Name) { return Name != Bar; };
 
-  JD.setGenerator(ReexportsGenerator(JD2, Filter));
+  JD.setGenerator(ReexportsGenerator(JD2, false, Filter));
 
   auto Flags = JD.lookupFlags({Foo, Bar, Baz});
   EXPECT_EQ(Flags.size(), 1U) << "Unexpected number of results";
   EXPECT_EQ(Flags[Foo], FooSym.getFlags()) << "Unexpected flags for Foo";
 
-  auto Result = cantFail(ES.lookup({&JD}, Foo));
+  auto Result = cantFail(ES.lookup(JITDylibSearchList({{&JD, false}}), Foo));
 
   EXPECT_EQ(Result.getAddress(), FooSym.getAddress())
       << "Incorrect reexported symbol address";
@@ -377,8 +381,8 @@ TEST_F(CoreAPIsStandardTest, TestTrivial
     FooReady = true;
   };
 
-  ES.lookup({&JD}, {Foo}, std::move(OnResolution), std::move(OnReady),
-            NoDependenciesToRegister);
+  ES.lookup(JITDylibSearchList({{&JD, false}}), {Foo}, std::move(OnResolution),
+            std::move(OnReady), NoDependenciesToRegister);
 
   FooR->resolve({{Foo, FooSym}});
   FooR->emit();
@@ -434,7 +438,8 @@ TEST_F(CoreAPIsStandardTest, TestCircula
 
   // Issue a lookup for Foo. Use NoDependenciesToRegister: We're going to add
   // the dependencies manually below.
-  ES.lookup({&JD}, {Foo}, std::move(OnFooResolution), std::move(OnFooReady),
+  ES.lookup(JITDylibSearchList({{&JD, false}}), {Foo},
+            std::move(OnFooResolution), std::move(OnFooReady),
             NoDependenciesToRegister);
 
   bool BarResolved = false;
@@ -449,7 +454,8 @@ TEST_F(CoreAPIsStandardTest, TestCircula
     BarReady = true;
   };
 
-  ES.lookup({&JD}, {Bar}, std::move(OnBarResolution), std::move(OnBarReady),
+  ES.lookup(JITDylibSearchList({{&JD, false}}), {Bar},
+            std::move(OnBarResolution), std::move(OnBarReady),
             NoDependenciesToRegister);
 
   bool BazResolved = false;
@@ -465,7 +471,8 @@ TEST_F(CoreAPIsStandardTest, TestCircula
     BazReady = true;
   };
 
-  ES.lookup({&JD}, {Baz}, std::move(OnBazResolution), std::move(OnBazReady),
+  ES.lookup(JITDylibSearchList({{&JD, false}}), {Baz},
+            std::move(OnBazResolution), std::move(OnBazReady),
             NoDependenciesToRegister);
 
   // Add a circular dependency: Foo -> Bar, Bar -> Baz, Baz -> Foo.
@@ -588,8 +595,8 @@ TEST_F(CoreAPIsStandardTest, AddAndMater
     OnReadyRun = true;
   };
 
-  ES.lookup({&JD}, Names, std::move(OnResolution), std::move(OnReady),
-            NoDependenciesToRegister);
+  ES.lookup(JITDylibSearchList({{&JD, false}}), Names, std::move(OnResolution),
+            std::move(OnReady), NoDependenciesToRegister);
 
   EXPECT_TRUE(FooMaterialized) << "Foo was not materialized";
   EXPECT_TRUE(BarDiscarded) << "Bar was not discarded";
@@ -637,8 +644,8 @@ TEST_F(CoreAPIsStandardTest, TestBasicWe
     OnReadyRun = true;
   };
 
-  ES.lookup({&JD}, {Bar}, std::move(OnResolution), std::move(OnReady),
-            NoDependenciesToRegister);
+  ES.lookup(JITDylibSearchList({{&JD, false}}), {Bar}, std::move(OnResolution),
+            std::move(OnReady), NoDependenciesToRegister);
 
   EXPECT_TRUE(OnResolvedRun) << "OnResolved not run";
   EXPECT_TRUE(OnReadyRun) << "OnReady not run";
@@ -666,13 +673,13 @@ TEST_F(CoreAPIsStandardTest, DefineMater
       });
 
   cantFail(JD.define(MU));
-  cantFail(ES.lookup({&JD}, Foo));
+  cantFail(ES.lookup(JITDylibSearchList({{&JD, false}}), Foo));
 
   // Assert that materialization is complete by now.
   ExpectNoMoreMaterialization = true;
 
   // Look up bar to verify that no further materialization happens.
-  auto BarResult = cantFail(ES.lookup({&JD}, Bar));
+  auto BarResult = cantFail(ES.lookup(JITDylibSearchList({{&JD, false}}), Bar));
   EXPECT_EQ(BarResult.getAddress(), BarSym.getAddress())
       << "Expected Bar == BarSym";
 }
@@ -685,7 +692,8 @@ TEST_F(CoreAPIsStandardTest, GeneratorTe
     return SymbolNameSet({Bar});
   });
 
-  auto Result = cantFail(ES.lookup({&JD}, {Foo, Bar}));
+  auto Result =
+      cantFail(ES.lookup(JITDylibSearchList({{&JD, false}}), {Foo, Bar}));
 
   EXPECT_EQ(Result.count(Bar), 1U) << "Expected to find fallback def for 'bar'";
   EXPECT_EQ(Result[Bar].getAddress(), BarSym.getAddress())
@@ -701,7 +709,7 @@ TEST_F(CoreAPIsStandardTest, FailResolut
   cantFail(JD.define(MU));
 
   SymbolNameSet Names({Foo, Bar});
-  auto Result = ES.lookup({&JD}, Names);
+  auto Result = ES.lookup(JITDylibSearchList({{&JD, false}}), Names);
 
   EXPECT_FALSE(!!Result) << "Expected failure";
   if (!Result) {
@@ -733,7 +741,8 @@ TEST_F(CoreAPIsStandardTest, TestLookupW
 
   cantFail(JD.define(MU));
 
-  auto FooLookupResult = cantFail(ES.lookup({&JD}, Foo));
+  auto FooLookupResult =
+      cantFail(ES.lookup(JITDylibSearchList({{&JD, false}}), Foo));
 
   EXPECT_EQ(FooLookupResult.getAddress(), FooSym.getAddress())
       << "lookup returned an incorrect address";
@@ -754,7 +763,8 @@ TEST_F(CoreAPIsStandardTest, TestLookupW
 
   cantFail(JD.define(absoluteSymbols({{Foo, FooSym}})));
 
-  auto FooLookupResult = cantFail(ES.lookup({&JD}, Foo));
+  auto FooLookupResult =
+      cantFail(ES.lookup(JITDylibSearchList({{&JD, false}}), Foo));
 
   EXPECT_EQ(FooLookupResult.getAddress(), FooSym.getAddress())
       << "lookup returned an incorrect address";
@@ -802,14 +812,16 @@ TEST_F(CoreAPIsStandardTest, TestGetRequ
   EXPECT_FALSE(FooMaterialized) << "Foo should not be materialized yet";
   EXPECT_FALSE(BarMaterialized) << "Bar should not be materialized yet";
 
-  auto FooSymResult = cantFail(ES.lookup({&JD}, Foo));
+  auto FooSymResult =
+      cantFail(ES.lookup(JITDylibSearchList({{&JD, false}}), Foo));
   EXPECT_EQ(FooSymResult.getAddress(), FooSym.getAddress())
       << "Address mismatch for Foo";
 
   EXPECT_TRUE(FooMaterialized) << "Foo should be materialized now";
   EXPECT_FALSE(BarMaterialized) << "Bar still should not be materialized";
 
-  auto BarSymResult = cantFail(ES.lookup({&JD}, Bar));
+  auto BarSymResult =
+      cantFail(ES.lookup(JITDylibSearchList({{&JD, false}}), Bar));
   EXPECT_EQ(BarSymResult.getAddress(), BarSym.getAddress())
       << "Address mismatch for Bar";
   EXPECT_TRUE(BarMaterialized) << "Bar should be materialized now";
@@ -829,7 +841,7 @@ TEST_F(CoreAPIsStandardTest, TestMateria
 
   cantFail(JD.define(MU));
 
-  auto Result = ES.lookup({&JD}, {Foo, Bar});
+  auto Result = ES.lookup(JITDylibSearchList({{&JD, false}}), {Foo, Bar});
 
   EXPECT_TRUE(!!Result) << "Result should be a success value";
   EXPECT_EQ(Result->count(Foo), 1U) << "\"Foo\" entry missing";
@@ -861,8 +873,8 @@ TEST_F(CoreAPIsStandardTest, TestMateria
 
   auto OnReady = [](Error Err) { cantFail(std::move(Err)); };
 
-  ES.lookup({&JD}, {Foo}, std::move(OnResolution), std::move(OnReady),
-            NoDependenciesToRegister);
+  ES.lookup(JITDylibSearchList({{&JD, false}}), {Foo}, std::move(OnResolution),
+            std::move(OnReady), NoDependenciesToRegister);
 
   auto MU2 = llvm::make_unique<SimpleMaterializationUnit>(
       SymbolFlagsMap({{Foo, JITSymbolFlags::Exported}}),

Modified: llvm/trunk/unittests/ExecutionEngine/Orc/RTDyldObjectLinkingLayerTest.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/ExecutionEngine/Orc/RTDyldObjectLinkingLayerTest.cpp?rev=345098&r1=345097&r2=345098&view=diff
==============================================================================
--- llvm/trunk/unittests/ExecutionEngine/Orc/RTDyldObjectLinkingLayerTest.cpp (original)
+++ llvm/trunk/unittests/ExecutionEngine/Orc/RTDyldObjectLinkingLayerTest.cpp Tue Oct 23 16:01:39 2018
@@ -66,8 +66,8 @@ static bool testSetProcessAllSections(st
 
   ObjLayer.setProcessAllSections(ProcessAllSections);
   cantFail(ObjLayer.add(JD, std::move(Obj), ES.allocateVModule()));
-  ES.lookup({&JD}, {Foo}, OnResolveDoNothing, OnReadyDoNothing,
-            NoDependenciesToRegister);
+  ES.lookup(JITDylibSearchList({{&JD, false}}), {Foo}, OnResolveDoNothing,
+            OnReadyDoNothing, NoDependenciesToRegister);
   return DebugSectionSeen;
 }
 
@@ -157,7 +157,8 @@ TEST(RTDyldObjectLinkingLayerTest, TestO
   ObjLayer.setOverrideObjectFlagsWithResponsibilityFlags(true);
 
   cantFail(CompileLayer.add(JD, std::move(M), ES.allocateVModule()));
-  ES.lookup({&JD}, {Foo}, [](Expected<SymbolMap> R) { cantFail(std::move(R)); },
+  ES.lookup(JITDylibSearchList({{&JD, false}}), {Foo},
+            [](Expected<SymbolMap> R) { cantFail(std::move(R)); },
             [](Error Err) { cantFail(std::move(Err)); },
             NoDependenciesToRegister);
 }
@@ -219,7 +220,8 @@ TEST(RTDyldObjectLinkingLayerTest, TestA
   ObjLayer.setAutoClaimResponsibilityForObjectSymbols(true);
 
   cantFail(CompileLayer.add(JD, std::move(M), ES.allocateVModule()));
-  ES.lookup({&JD}, {Foo}, [](Expected<SymbolMap> R) { cantFail(std::move(R)); },
+  ES.lookup(JITDylibSearchList({{&JD, false}}), {Foo},
+            [](Expected<SymbolMap> R) { cantFail(std::move(R)); },
             [](Error Err) { cantFail(std::move(Err)); },
             NoDependenciesToRegister);
 }




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