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//===------ OrcTestCommon.h - Utilities for Orc Unit Tests ------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Common utilities for the Orc unit tests.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_UNITTESTS_EXECUTIONENGINE_ORC_ORCTESTCOMMON_H
#define LLVM_UNITTESTS_EXECUTIONENGINE_ORC_ORCTESTCOMMON_H
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/TypeBuilder.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/ExecutionEngine/ExecutionEngine.h"
#include "llvm/ExecutionEngine/Orc/JITSymbol.h"
#include "llvm/Support/TargetSelect.h"
#include <memory>
namespace llvm {
// Base class for Orc tests that will execute code.
class OrcExecutionTest {
public:
OrcExecutionTest() {
if (!NativeTargetInitialized) {
InitializeNativeTarget();
InitializeNativeTargetAsmParser();
InitializeNativeTargetAsmPrinter();
NativeTargetInitialized = true;
}
// Try to select a TargetMachine for the host.
TM.reset(EngineBuilder().selectTarget());
if (TM) {
// If we found a TargetMachine, check that it's one that Orc supports.
const Triple& TT = TM->getTargetTriple();
if ((TT.getArch() != Triple::x86_64 && TT.getArch() != Triple::x86) ||
TT.isOSWindows())
TM = nullptr;
}
};
protected:
LLVMContext Context;
std::unique_ptr<TargetMachine> TM;
private:
static bool NativeTargetInitialized;
};
class ModuleBuilder {
public:
ModuleBuilder(LLVMContext &Context, StringRef Triple,
StringRef Name);
template <typename FuncType>
Function* createFunctionDecl(StringRef Name) {
return Function::Create(
TypeBuilder<FuncType, false>::get(M->getContext()),
GlobalValue::ExternalLinkage, Name, M.get());
}
Module* getModule() { return M.get(); }
const Module* getModule() const { return M.get(); }
std::unique_ptr<Module> takeModule() { return std::move(M); }
private:
std::unique_ptr<Module> M;
};
// Dummy struct type.
struct DummyStruct {
int X[256];
};
// TypeBuilder specialization for DummyStruct.
template <bool XCompile>
class TypeBuilder<DummyStruct, XCompile> {
public:
static StructType *get(LLVMContext &Context) {
return StructType::get(
TypeBuilder<types::i<32>[256], XCompile>::get(Context), nullptr);
}
};
template <typename HandleT,
typename AddModuleSetFtor,
typename RemoveModuleSetFtor,
typename FindSymbolFtor,
typename FindSymbolInFtor>
class MockBaseLayer {
public:
typedef HandleT ModuleSetHandleT;
MockBaseLayer(AddModuleSetFtor &&AddModuleSet,
RemoveModuleSetFtor &&RemoveModuleSet,
FindSymbolFtor &&FindSymbol,
FindSymbolInFtor &&FindSymbolIn)
: AddModuleSet(AddModuleSet), RemoveModuleSet(RemoveModuleSet),
FindSymbol(FindSymbol), FindSymbolIn(FindSymbolIn)
{}
template <typename ModuleSetT, typename MemoryManagerPtrT,
typename SymbolResolverPtrT>
ModuleSetHandleT addModuleSet(ModuleSetT Ms, MemoryManagerPtrT MemMgr,
SymbolResolverPtrT Resolver) {
return AddModuleSet(std::move(Ms), std::move(MemMgr), std::move(Resolver));
}
void removeModuleSet(ModuleSetHandleT H) {
RemoveModuleSet(H);
}
orc::JITSymbol findSymbol(const std::string &Name, bool ExportedSymbolsOnly) {
return FindSymbol(Name, ExportedSymbolsOnly);
}
orc::JITSymbol findSymbolIn(ModuleSetHandleT H, const std::string &Name,
bool ExportedSymbolsOnly) {
return FindSymbolIn(H, Name, ExportedSymbolsOnly);
}
private:
AddModuleSetFtor AddModuleSet;
RemoveModuleSetFtor RemoveModuleSet;
FindSymbolFtor FindSymbol;
FindSymbolInFtor FindSymbolIn;
};
template <typename ModuleSetHandleT,
typename AddModuleSetFtor,
typename RemoveModuleSetFtor,
typename FindSymbolFtor,
typename FindSymbolInFtor>
MockBaseLayer<ModuleSetHandleT, AddModuleSetFtor, RemoveModuleSetFtor,
FindSymbolFtor, FindSymbolInFtor>
createMockBaseLayer(AddModuleSetFtor &&AddModuleSet,
RemoveModuleSetFtor &&RemoveModuleSet,
FindSymbolFtor &&FindSymbol,
FindSymbolInFtor &&FindSymbolIn) {
return MockBaseLayer<ModuleSetHandleT, AddModuleSetFtor, RemoveModuleSetFtor,
FindSymbolFtor, FindSymbolInFtor>(
std::forward<AddModuleSetFtor>(AddModuleSet),
std::forward<RemoveModuleSetFtor>(RemoveModuleSet),
std::forward<FindSymbolFtor>(FindSymbol),
std::forward<FindSymbolInFtor>(FindSymbolIn));
}
template <typename ReturnT>
class DoNothingAndReturn {
public:
DoNothingAndReturn(ReturnT Val) : Val(Val) {}
template <typename... Args>
ReturnT operator()(Args...) const { return Val; }
private:
ReturnT Val;
};
template <>
class DoNothingAndReturn<void> {
public:
template <typename... Args>
void operator()(Args...) const { }
};
} // namespace llvm
#endif
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