LegacyCompileOnDemandLayerTest.cpp
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//===----- CompileOnDemandLayerTest.cpp - Unit tests for the COD layer ----===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/ExecutionEngine/Orc/CompileOnDemandLayer.h"
#include "OrcTestCommon.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace llvm::orc;
namespace {
class DummyTrampolinePool : public orc::TrampolinePool {
protected:
Error grow() override { llvm_unreachable("Unimplemented"); }
};
class DummyCallbackManager : public JITCompileCallbackManager {
public:
DummyCallbackManager(ExecutionSession &ES)
: JITCompileCallbackManager(std::make_unique<DummyTrampolinePool>(), ES,
0) {}
};
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");
}
JITEvaluatedSymbol findStub(StringRef Name, bool ExportedStubsOnly) override {
llvm_unreachable("Not implemented");
}
JITEvaluatedSymbol findPointer(StringRef Name) override {
llvm_unreachable("Not implemented");
}
Error updatePointer(StringRef Name, JITTargetAddress NewAddr) override {
llvm_unreachable("Not implemented");
}
};
TEST(LegacyCompileOnDemandLayerTest, 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);
};
ExecutionSession ES(std::make_shared<SymbolStringPool>());
DummyCallbackManager CallbackMgr(ES);
auto GetResolver =
[](orc::VModuleKey) -> std::shared_ptr<llvm::orc::SymbolResolver> {
llvm_unreachable("Should never be called");
};
auto SetResolver = [](orc::VModuleKey, std::shared_ptr<orc::SymbolResolver>) {
llvm_unreachable("Should never be called");
};
llvm::orc::LegacyCompileOnDemandLayer<decltype(TestBaseLayer)> COD(
AcknowledgeORCv1Deprecation, ES, TestBaseLayer, GetResolver, SetResolver,
[](Function &F) { return std::set<Function *>{&F}; }, CallbackMgr,
[] { return std::make_unique<DummyStubsManager>(); }, true);
auto Sym = COD.findSymbol("foo", true);
EXPECT_TRUE(!!Sym) << "CompileOnDemand::findSymbol should call findSymbol in "
"the base layer.";
}
}