llvm-project/llvm/unittests/ExecutionEngine/Orc/CompileOnDemandLayerTest.cpp

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//===----- 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 "llvm/ExecutionEngine/Orc/CompileOnDemandLayer.h"
#include "OrcTestCommon.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace llvm::orc;
namespace {
class DummyCallbackManager : public orc::JITCompileCallbackManager {
public:
DummyCallbackManager() : JITCompileCallbackManager(0) {}
public:
Error grow() override { llvm_unreachable("not implemented"); }
};
class DummyStubsManager : public orc::IndirectStubsManager {
public:
Error createStub(StringRef StubName, JITTargetAddress InitAddr,
JITSymbolFlags Flags) override {
llvm_unreachable("Not implemented");
}
Error createStubs(const StubInitsMap &StubInits) override {
llvm_unreachable("Not implemented");
}
JITSymbol findStub(StringRef Name, bool ExportedStubsOnly) override {
llvm_unreachable("Not implemented");
}
JITSymbol findPointer(StringRef Name) override {
llvm_unreachable("Not implemented");
}
Error updatePointer(StringRef Name, JITTargetAddress NewAddr) override {
llvm_unreachable("Not implemented");
}
};
TEST(CompileOnDemandLayerTest, FindSymbol) {
MockBaseLayer<int, std::shared_ptr<Module>> TestBaseLayer;
TestBaseLayer.findSymbolImpl =
[](const std::string &Name, bool) {
if (Name == "foo")
return JITSymbol(1, JITSymbolFlags::Exported);
return JITSymbol(nullptr);
};
DummyCallbackManager CallbackMgr;
llvm::orc::CompileOnDemandLayer<decltype(TestBaseLayer)> COD(
TestBaseLayer, [](Function &F) { return std::set<Function *>{&F}; },
CallbackMgr, [] { return llvm::make_unique<DummyStubsManager>(); }, true);
auto Sym = COD.findSymbol("foo", true);
EXPECT_TRUE(!!Sym) << "CompileOnDemand::findSymbol should call findSymbol in "
"the base layer.";
}
}