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//===- llvm/unittest/MC/MCInstPrinter.cpp ---------------------------------===//
//
// 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/MC/MCInstPrinter.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCTargetOptions.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Support/TargetSelect.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
class MCInstPrinterTest : public ::testing::Test {
public:
std::unique_ptr<MCRegisterInfo> MRI;
std::unique_ptr<MCAsmInfo> MAI;
std::unique_ptr<const MCInstrInfo> MII;
std::unique_ptr<MCInstPrinter> Printer;
MCInstPrinterTest() {
llvm::InitializeAllTargetInfos();
llvm::InitializeAllTargetMCs();
std::string TripleName = "x86_64-pc-linux";
std::string ErrorStr;
const Target *TheTarget =
TargetRegistry::lookupTarget(TripleName, ErrorStr);
// If we didn't build x86, do not run the test.
if (!TheTarget)
return;
MRI.reset(TheTarget->createMCRegInfo(TripleName));
MCTargetOptions MCOptions;
MAI.reset(TheTarget->createMCAsmInfo(*MRI, TripleName, MCOptions));
MII.reset(TheTarget->createMCInstrInfo());
Printer.reset(TheTarget->createMCInstPrinter(
Triple(TripleName), MAI->getAssemblerDialect(), *MAI, *MII, *MRI));
}
template <typename T> std::string formatHex(T i) {
std::string Buffer;
raw_string_ostream OS(Buffer);
OS << Printer->formatHex(i);
OS.flush();
return Buffer;
}
};
} // namespace
TEST_F(MCInstPrinterTest, formatHex) {
if (!Printer)
return;
EXPECT_EQ("0x1", formatHex<int64_t>(1));
EXPECT_EQ("0x7fffffffffffffff",
formatHex(std::numeric_limits<int64_t>::max()));
EXPECT_EQ("-0x8000000000000000",
formatHex(std::numeric_limits<int64_t>::min()));
}
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