llvm-project/llvm/unittests/ExecutionEngine/Orc/CompileOnDemandLayerTest.cpp
Lang Hames 353499fc95 [ORC] Use JITEvaluatedSymbol for IndirectStubsManager findStub and findPointer.
Existing implementations of these methods do not require lazy materialization,
and switching to JITEvaluatedSymbol allows us to remove error checking on the
client side.

llvm-svn: 333835
2018-06-03 02:18:03 +00:00

85 lines
2.5 KiB
C++

//===----- 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(ExecutionSession &ES)
: JITCompileCallbackManager(ES, 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");
}
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(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);
};
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::CompileOnDemandLayer<decltype(TestBaseLayer)> COD(
ES, TestBaseLayer, GetResolver, SetResolver,
[](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.";
}
}