[ORC] Fix typo in LogicalDylib, add unit test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@279892 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/ExecutionEngine/Orc/LogicalDylib.h

@@ -130,7 +130,7 @@ public:
     for (typename LogicalModuleList::size_type I = 0, E = LogicalModules.size();
          I != E; ++I)
       if (auto Sym = LogicalModules[I].Resources.findSymbol(Name, ExportedSymbolsOnly))
-        return &LogicalModules[I]->Resources;
+        return &LogicalModules[I].Resources;
     return nullptr;
   }
 

unittests/ExecutionEngine/Orc/CMakeLists.txt

@@ -14,6 +14,7 @@ add_llvm_unittest(OrcJITTests
   IndirectionUtilsTest.cpp
   GlobalMappingLayerTest.cpp
   LazyEmittingLayerTest.cpp
+  LogicalDylibTest.cpp
   ObjectLinkingLayerTest.cpp
   ObjectTransformLayerTest.cpp
   OrcCAPITest.cpp

unittests/ExecutionEngine/Orc/LogicalDylibTest.cpp

@@ -0,0 +1,76 @@
+//===----- CompileOnDemandLayerTest.cpp - Unit tests for the COD layer ----===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "OrcTestCommon.h"
+#include "llvm/ExecutionEngine/Orc/LogicalDylib.h"
+#include "gtest/gtest.h"
+
+using namespace llvm;
+using namespace llvm::orc;
+
+namespace {
+
+
+TEST(LogicalDylibTest, getLogicalModuleResourcesForSymbol) {
+
+  std::map<int, std::set<std::string>> ModuleSymbols;
+
+  ModuleSymbols[0] = { "foo", "dummy" };
+  ModuleSymbols[1] = { "bar" };
+  ModuleSymbols[2] = { "baz", "dummy" };
+
+  auto MockBaseLayer = createMockBaseLayer<int>(
+      DoNothingAndReturn<int>(0),
+      DoNothingAndReturn<void>(),
+      [&](const std::string &Name, bool) {
+        for (auto &S : ModuleSymbols)
+          if (S.second.count(Name))
+            return JITSymbol(1, JITSymbolFlags::Exported);
+        return JITSymbol(nullptr);
+      },
+      [&](int H, const std::string &Name, bool) {
+        if (ModuleSymbols[H].count(Name))
+          return JITSymbol(1, JITSymbolFlags::Exported);
+        return JITSymbol(nullptr);
+      });
+
+  struct LDResources { };
+  struct LMResources {
+  public:
+    int ID;
+    std::set<std::string> *Symbols;
+
+    LMResources() : ID(0), Symbols(nullptr) {}
+    LMResources(int ID, std::set<std::string> &Symbols)
+        : ID(ID), Symbols(&Symbols) {}
+
+    JITSymbol findSymbol(const std::string &Name, bool) {
+      assert(Symbols);
+      if (Symbols->count(Name))
+        return JITSymbol(ID, JITSymbolFlags::Exported);
+      return JITSymbol(nullptr);
+    }
+  };
+
+  LogicalDylib<decltype(MockBaseLayer), LMResources, LDResources>
+    LD(MockBaseLayer);
+
+  // Add logical module resources for each of our dummy modules.
+  for (int I = 0; I < 3; ++I) {
+    auto H = LD.createLogicalModule();
+    LD.addToLogicalModule(H, I);
+    LD.getLogicalModuleResources(H) = LMResources(I, ModuleSymbols[I]);
+  }
+
+  {
+    auto LMR = LD.getLogicalModuleResourcesForSymbol("bar", true);
+    EXPECT_TRUE(LMR->ID == 1) << "getLogicalModuleResourcesForSymbol failed";
+  }
+}
+}