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#include "Target.h"
#include <cassert>
#include <memory>
#include "MCTargetDesc/AArch64MCTargetDesc.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/TargetSelect.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
namespace exegesis {
void InitializeAArch64ExegesisTarget();
namespace {
using llvm::APInt;
using llvm::MCInst;
using testing::Gt;
using testing::IsEmpty;
using testing::Not;
using testing::NotNull;
static const char kTriple[] = "aarch64-unknown-linux";
static const char kGenericCpu[] = "generic";
static const char kNoFeatures[] = "";
class AArch64TargetTest : public ::testing::Test {
protected:
AArch64TargetTest()
: ExegesisTarget_(ExegesisTarget::lookup(llvm::Triple(kTriple))) {
EXPECT_THAT(ExegesisTarget_, NotNull());
std::string error;
Target_ = llvm::TargetRegistry::lookupTarget(kTriple, error);
EXPECT_THAT(Target_, NotNull());
STI_.reset(
Target_->createMCSubtargetInfo(kTriple, kGenericCpu, kNoFeatures));
}
static void SetUpTestCase() {
LLVMInitializeAArch64TargetInfo();
LLVMInitializeAArch64Target();
LLVMInitializeAArch64TargetMC();
InitializeAArch64ExegesisTarget();
}
std::vector<MCInst> setRegTo(unsigned Reg, const APInt &Value) {
return ExegesisTarget_->setRegTo(*STI_, Reg, Value);
}
const llvm::Target *Target_;
const ExegesisTarget *const ExegesisTarget_;
std::unique_ptr<llvm::MCSubtargetInfo> STI_;
};
TEST_F(AArch64TargetTest, SetRegToConstant) {
// The AArch64 target currently doesn't know how to set register values.
const auto Insts = setRegTo(llvm::AArch64::X0, llvm::APInt());
EXPECT_THAT(Insts, Not(IsEmpty()));
}
} // namespace
} // namespace exegesis
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