forked from OSchip/llvm-project
72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
//===- llvm/unittest/MC/MCInstPrinter.cpp ---------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/MC/MCInstPrinter.h"
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#include "llvm/MC/MCAsmInfo.h"
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#include "llvm/MC/MCInstrInfo.h"
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#include "llvm/MC/MCRegisterInfo.h"
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#include "llvm/MC/MCTargetOptions.h"
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#include "llvm/MC/TargetRegistry.h"
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#include "llvm/Support/TargetSelect.h"
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#include "llvm/Target/TargetMachine.h"
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#include "llvm/Target/TargetOptions.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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class MCInstPrinterTest : public ::testing::Test {
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public:
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std::unique_ptr<MCRegisterInfo> MRI;
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std::unique_ptr<MCAsmInfo> MAI;
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std::unique_ptr<const MCInstrInfo> MII;
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std::unique_ptr<MCInstPrinter> Printer;
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MCInstPrinterTest() {
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llvm::InitializeAllTargetInfos();
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llvm::InitializeAllTargetMCs();
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std::string TripleName = "x86_64-pc-linux";
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std::string ErrorStr;
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const Target *TheTarget =
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TargetRegistry::lookupTarget(TripleName, ErrorStr);
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// If we didn't build x86, do not run the test.
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if (!TheTarget)
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return;
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MRI.reset(TheTarget->createMCRegInfo(TripleName));
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MCTargetOptions MCOptions;
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MAI.reset(TheTarget->createMCAsmInfo(*MRI, TripleName, MCOptions));
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MII.reset(TheTarget->createMCInstrInfo());
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Printer.reset(TheTarget->createMCInstPrinter(
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Triple(TripleName), MAI->getAssemblerDialect(), *MAI, *MII, *MRI));
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}
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template <typename T> std::string formatHex(T i) {
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std::string Buffer;
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raw_string_ostream OS(Buffer);
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OS << Printer->formatHex(i);
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OS.flush();
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return Buffer;
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}
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};
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} // namespace
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TEST_F(MCInstPrinterTest, formatHex) {
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if (!Printer)
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return;
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EXPECT_EQ("0x1", formatHex<int64_t>(1));
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EXPECT_EQ("0x7fffffffffffffff",
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formatHex(std::numeric_limits<int64_t>::max()));
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EXPECT_EQ("-0x8000000000000000",
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formatHex(std::numeric_limits<int64_t>::min()));
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}
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