[Orc] Move some code up into the JITCompileCallbackManager base class. NFC.

[oota-llvm.git] / unittests / ExecutionEngine / ExecutionEngineTest.cpp

diff --git a/unittests/ExecutionEngine/ExecutionEngineTest.cpp b/unittests/ExecutionEngine/ExecutionEngineTest.cpp
index 326213c93681ef5cb0881607846c1af3257fb060..bb47c4c00304c780294d111c3d4549a2a1fd2b27 100644 (file)
--- a/unittests/ExecutionEngine/ExecutionEngineTest.cpp
+++ b/unittests/ExecutionEngine/ExecutionEngineTest.cpp
@@ -8,10 +8,13 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/ExecutionEngine/Interpreter.h"
+#include "llvm/ExecutionEngine/RTDyldMemoryManager.h"
+#include "llvm/ADT/STLExtras.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/GlobalVariable.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Module.h"
+#include "llvm/Support/DynamicLibrary.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "gtest/gtest.h"
 
@@ -30,7 +33,7 @@ protected:
     Engine.reset(EngineBuilder(std::move(Owner)).setErrorStr(&Error).create());
   }
 
-  virtual void SetUp() {
+  void SetUp() override {
     ASSERT_TRUE(Engine.get() != nullptr) << "EngineBuilder returned error: '"
       << Error << "'";
   }
@@ -51,6 +54,7 @@ TEST_F(ExecutionEngineTest, ForwardGlobalMapping) {
   int32_t Mem1 = 3;
   Engine->addGlobalMapping(G1, &Mem1);
   EXPECT_EQ(&Mem1, Engine->getPointerToGlobalIfAvailable(G1));
+  EXPECT_EQ(&Mem1, Engine->getPointerToGlobalIfAvailable("Global1"));
   int32_t Mem2 = 4;
   Engine->updateGlobalMapping(G1, &Mem2);
   EXPECT_EQ(&Mem2, Engine->getPointerToGlobalIfAvailable(G1));
@@ -132,4 +136,35 @@ TEST_F(ExecutionEngineTest, DestructionRemovesGlobalMapping) {
   EXPECT_EQ(nullptr, Engine->getGlobalValueAtAddress(&Mem1));
 }
 
+TEST_F(ExecutionEngineTest, LookupWithMangledName) {
+  int x;
+  llvm::sys::DynamicLibrary::AddSymbol("x", &x);
+
+  // Demonstrate that getSymbolAddress accepts mangled names and always strips
+  // the leading underscore.
+  EXPECT_EQ(reinterpret_cast<uint64_t>(&x),
+            RTDyldMemoryManager::getSymbolAddressInProcess("_x"));
+}
+
+TEST_F(ExecutionEngineTest, LookupWithMangledAndDemangledSymbol) {
+  int x;
+  int _x;
+  llvm::sys::DynamicLibrary::AddSymbol("x", &x);
+  llvm::sys::DynamicLibrary::AddSymbol("_x", &_x);
+
+  // Lookup the demangled name first, even if there's a demangled symbol that
+  // matches the input already.
+  EXPECT_EQ(reinterpret_cast<uint64_t>(&x),
+            RTDyldMemoryManager::getSymbolAddressInProcess("_x"));
+}
+
+TEST_F(ExecutionEngineTest, LookupwithDemangledName) {
+  int _x;
+  llvm::sys::DynamicLibrary::AddSymbol("_x", &_x);
+
+  // But do fallback to looking up a demangled name if there's no ambiguity
+  EXPECT_EQ(reinterpret_cast<uint64_t>(&_x),
+            RTDyldMemoryManager::getSymbolAddressInProcess("_x"));
+}
+
 }