text: //===----------- TargetParser.cpp - Target Parser -------------------------===//
  //
  // 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/Support/TargetParser.h"
  #include "llvm/ADT/STLExtras.h"
  #include "llvm/Support/ARMBuildAttributes.h"
  #include "gtest/gtest.h"
  #include <string>
  
  using namespace llvm;
  
  namespace {
  const char *ARMArch[] = {
      "armv2",       "armv2a",       "armv3",       "armv3m",       "armv4",
      "armv4t",      "armv5",        "armv5t",      "armv5e",       "armv5te",
      "armv5tej",    "armv6",        "armv6j",      "armv6k",       "armv6hl",
      "armv6t2",     "armv6kz",      "armv6z",      "armv6zk",      "armv6-m",
      "armv6m",      "armv6sm",      "armv6s-m",    "armv7-a",      "armv7",
      "armv7a",      "armv7ve",      "armv7hl",     "armv7l",       "armv7-r",
      "armv7r",      "armv7-m",      "armv7m",      "armv7k",       "armv7s",
      "armv7e-m",    "armv7em",      "armv8-a",     "armv8",        "armv8a",
      "armv8l",      "armv8.1-a",    "armv8.1a",    "armv8.2-a",    "armv8.2a",
      "armv8.3-a",   "armv8.3a",     "armv8.4-a",   "armv8.4a",     "armv8.5-a",
      "armv8.5a",     "armv8-r",     "armv8r",      "armv8-m.base", "armv8m.base",
      "armv8-m.main", "armv8m.main", "iwmmxt",      "iwmmxt2",      "xscale",
      "armv8.1-m.main",
  };
  
  bool testARMCPU(StringRef CPUName, StringRef ExpectedArch,
                  StringRef ExpectedFPU, uint64_t ExpectedFlags,
                  StringRef CPUAttr) {
    ARM::ArchKind AK = ARM::parseCPUArch(CPUName);
    bool pass = ARM::getArchName(AK).equals(ExpectedArch);
    unsigned FPUKind = ARM::getDefaultFPU(CPUName, AK);
    pass &= ARM::getFPUName(FPUKind).equals(ExpectedFPU);
  
    uint64_t ExtKind = ARM::getDefaultExtensions(CPUName, AK);
    if (ExtKind > 1 && (ExtKind & ARM::AEK_NONE))
      pass &= ((ExtKind ^ ARM::AEK_NONE) == ExpectedFlags);
    else
      pass &= (ExtKind == ExpectedFlags);
    pass &= ARM::getCPUAttr(AK).equals(CPUAttr);
  
    return pass;
  }
  
  TEST(TargetParserTest, testARMCPU) {
    EXPECT_TRUE(testARMCPU("invalid", "invalid", "invalid",
                           ARM::AEK_NONE, ""));
    EXPECT_TRUE(testARMCPU("generic", "invalid", "none",
                           ARM::AEK_NONE, ""));
  
    EXPECT_TRUE(testARMCPU("arm2", "armv2", "none",
                           ARM::AEK_NONE, "2"));
    EXPECT_TRUE(testARMCPU("arm3", "armv2a", "none",
                           ARM::AEK_NONE, "2A"));
    EXPECT_TRUE(testARMCPU("arm6", "armv3", "none",
                           ARM::AEK_NONE, "3"));
    EXPECT_TRUE(testARMCPU("arm7m", "armv3m", "none",
                           ARM::AEK_NONE, "3M"));
    EXPECT_TRUE(testARMCPU("arm8", "armv4", "none",
                           ARM::AEK_NONE, "4"));
    EXPECT_TRUE(testARMCPU("arm810", "armv4", "none",
                           ARM::AEK_NONE, "4"));
    EXPECT_TRUE(testARMCPU("strongarm", "armv4", "none",
                           ARM::AEK_NONE, "4"));
    EXPECT_TRUE(testARMCPU("strongarm110", "armv4", "none",
                           ARM::AEK_NONE, "4"));
    EXPECT_TRUE(testARMCPU("strongarm1100", "armv4", "none",
                           ARM::AEK_NONE, "4"));
    EXPECT_TRUE(testARMCPU("strongarm1110", "armv4", "none",
                           ARM::AEK_NONE, "4"));
    EXPECT_TRUE(testARMCPU("arm7tdmi", "armv4t", "none",
                           ARM::AEK_NONE, "4T"));
    EXPECT_TRUE(testARMCPU("arm7tdmi-s", "armv4t", "none",
                           ARM::AEK_NONE, "4T"));
    EXPECT_TRUE(testARMCPU("arm710t", "armv4t", "none",
                           ARM::AEK_NONE, "4T"));
    EXPECT_TRUE(testARMCPU("arm720t", "armv4t", "none",
                           ARM::AEK_NONE, "4T"));
    EXPECT_TRUE(testARMCPU("arm9", "armv4t", "none",
                           ARM::AEK_NONE, "4T"));
    EXPECT_TRUE(testARMCPU("arm9tdmi", "armv4t", "none",
                           ARM::AEK_NONE, "4T"));
    EXPECT_TRUE(testARMCPU("arm920", "armv4t", "none",
                           ARM::AEK_NONE, "4T"));
    EXPECT_TRUE(testARMCPU("arm920t", "armv4t", "none",
                           ARM::AEK_NONE, "4T"));
    EXPECT_TRUE(testARMCPU("arm922t", "armv4t", "none",
                           ARM::AEK_NONE, "4T"));
    EXPECT_TRUE(testARMCPU("arm9312", "armv4t", "none",
                           ARM::AEK_NONE, "4T"));
    EXPECT_TRUE(testARMCPU("arm940t", "armv4t", "none",
                           ARM::AEK_NONE, "4T"));
    EXPECT_TRUE(testARMCPU("ep9312", "armv4t", "none",
                           ARM::AEK_NONE, "4T"));
    EXPECT_TRUE(testARMCPU("arm10tdmi", "armv5t", "none",
                           ARM::AEK_NONE, "5T"));
    EXPECT_TRUE(testARMCPU("arm1020t", "armv5t", "none",
                           ARM::AEK_NONE, "5T"));
    EXPECT_TRUE(testARMCPU("arm9e", "armv5te", "none",
                           ARM::AEK_DSP, "5TE"));
    EXPECT_TRUE(testARMCPU("arm946e-s", "armv5te", "none",
                           ARM::AEK_DSP, "5TE"));
    EXPECT_TRUE(testARMCPU("arm966e-s", "armv5te", "none",
                           ARM::AEK_DSP, "5TE"));
    EXPECT_TRUE(testARMCPU("arm968e-s", "armv5te", "none",
                           ARM::AEK_DSP, "5TE"));
    EXPECT_TRUE(testARMCPU("arm10e", "armv5te", "none",
                           ARM::AEK_DSP, "5TE"));
    EXPECT_TRUE(testARMCPU("arm1020e", "armv5te", "none",
                           ARM::AEK_DSP, "5TE"));
    EXPECT_TRUE(testARMCPU("arm1022e", "armv5te", "none",
                           ARM::AEK_DSP, "5TE"));
    EXPECT_TRUE(testARMCPU("arm926ej-s", "armv5tej", "none",
                           ARM::AEK_DSP, "5TEJ"));
    EXPECT_TRUE(testARMCPU("arm1136j-s", "armv6", "none",
                           ARM::AEK_DSP, "6"));
    EXPECT_TRUE(testARMCPU("arm1136jf-s", "armv6", "vfpv2",
                           ARM::AEK_DSP, "6"));
    EXPECT_TRUE(testARMCPU("arm1136jz-s", "armv6", "none",
                           ARM::AEK_DSP, "6"));
    EXPECT_TRUE(testARMCPU("arm1176jz-s", "armv6kz", "none",
                           ARM::AEK_SEC | ARM::AEK_DSP, "6KZ"));
    EXPECT_TRUE(testARMCPU("mpcore", "armv6k", "vfpv2",
                           ARM::AEK_DSP, "6K"));
    EXPECT_TRUE(testARMCPU("mpcorenovfp", "armv6k", "none",
                           ARM::AEK_DSP, "6K"));
    EXPECT_TRUE(testARMCPU("arm1176jzf-s", "armv6kz", "vfpv2",
                           ARM::AEK_SEC | ARM::AEK_DSP, "6KZ"));
    EXPECT_TRUE(testARMCPU("arm1156t2-s", "armv6t2", "none",
                           ARM::AEK_DSP, "6T2"));
    EXPECT_TRUE(testARMCPU("arm1156t2f-s", "armv6t2", "vfpv2",
                           ARM::AEK_DSP, "6T2"));
    EXPECT_TRUE(testARMCPU("cortex-m0", "armv6-m", "none",
                           ARM::AEK_NONE, "6-M"));
    EXPECT_TRUE(testARMCPU("cortex-m0plus", "armv6-m", "none",
                           ARM::AEK_NONE, "6-M"));
    EXPECT_TRUE(testARMCPU("cortex-m1", "armv6-m", "none",
                           ARM::AEK_NONE, "6-M"));
    EXPECT_TRUE(testARMCPU("sc000", "armv6-m", "none",
                           ARM::AEK_NONE, "6-M"));
    EXPECT_TRUE(testARMCPU("cortex-a5", "armv7-a", "neon-vfpv4",
                           ARM::AEK_MP | ARM::AEK_SEC | ARM::AEK_DSP, "7-A"));
    EXPECT_TRUE(testARMCPU("cortex-a7", "armv7-a", "neon-vfpv4",
                           ARM::AEK_HWDIVTHUMB | ARM::AEK_HWDIVARM | ARM::AEK_MP |
                               ARM::AEK_SEC | ARM::AEK_VIRT | ARM::AEK_DSP,
                           "7-A"));
    EXPECT_TRUE(testARMCPU("cortex-a8", "armv7-a", "neon",
                           ARM::AEK_SEC | ARM::AEK_DSP, "7-A"));
    EXPECT_TRUE(testARMCPU("cortex-a9", "armv7-a", "neon-fp16",
                           ARM::AEK_MP | ARM::AEK_SEC | ARM::AEK_DSP, "7-A"));
    EXPECT_TRUE(testARMCPU("cortex-a12", "armv7-a", "neon-vfpv4",
                           ARM::AEK_SEC | ARM::AEK_MP | ARM::AEK_VIRT |
                               ARM::AEK_HWDIVARM | ARM::AEK_HWDIVTHUMB |
                               ARM::AEK_DSP,
                           "7-A"));
    EXPECT_TRUE(testARMCPU("cortex-a15", "armv7-a", "neon-vfpv4",
                           ARM::AEK_SEC | ARM::AEK_MP | ARM::AEK_VIRT |
                               ARM::AEK_HWDIVARM | ARM::AEK_HWDIVTHUMB |
                               ARM::AEK_DSP,
                           "7-A"));
    EXPECT_TRUE(testARMCPU("cortex-a17", "armv7-a", "neon-vfpv4",
                           ARM::AEK_SEC | ARM::AEK_MP | ARM::AEK_VIRT |
                               ARM::AEK_HWDIVARM | ARM::AEK_HWDIVTHUMB |
                               ARM::AEK_DSP,
                           "7-A"));
    EXPECT_TRUE(testARMCPU("krait", "armv7-a", "neon-vfpv4",
                           ARM::AEK_HWDIVARM | ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP,
                           "7-A"));
    EXPECT_TRUE(testARMCPU("cortex-r4", "armv7-r", "none",
                           ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP, "7-R"));
    EXPECT_TRUE(testARMCPU("cortex-r4f", "armv7-r", "vfpv3-d16",
                           ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP, "7-R"));
    EXPECT_TRUE(testARMCPU("cortex-r5", "armv7-r", "vfpv3-d16",
                           ARM::AEK_MP | ARM::AEK_HWDIVARM | ARM::AEK_HWDIVTHUMB |
                               ARM::AEK_DSP,
                           "7-R"));
    EXPECT_TRUE(testARMCPU("cortex-r7", "armv7-r", "vfpv3-d16-fp16",
                           ARM::AEK_MP | ARM::AEK_HWDIVARM | ARM::AEK_HWDIVTHUMB |
                               ARM::AEK_DSP,
                           "7-R"));
    EXPECT_TRUE(testARMCPU("cortex-r8", "armv7-r", "vfpv3-d16-fp16",
                           ARM::AEK_MP | ARM::AEK_HWDIVARM | ARM::AEK_HWDIVTHUMB |
                               ARM::AEK_DSP,
                           "7-R"));
    EXPECT_TRUE(testARMCPU("cortex-r52", "armv8-r", "neon-fp-armv8",
                           ARM::AEK_CRC | ARM::AEK_MP | ARM::AEK_VIRT |
                               ARM::AEK_HWDIVARM | ARM::AEK_HWDIVTHUMB |
                               ARM::AEK_DSP,
                           "8-R"));
    EXPECT_TRUE(
        testARMCPU("sc300", "armv7-m", "none", ARM::AEK_HWDIVTHUMB, "7-M"));
    EXPECT_TRUE(
        testARMCPU("cortex-m3", "armv7-m", "none", ARM::AEK_HWDIVTHUMB, "7-M"));
    EXPECT_TRUE(testARMCPU("cortex-m4", "armv7e-m", "fpv4-sp-d16",
                           ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP, "7E-M"));
    EXPECT_TRUE(testARMCPU("cortex-m7", "armv7e-m", "fpv5-d16",
                           ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP, "7E-M"));
    EXPECT_TRUE(testARMCPU("cortex-a32", "armv8-a", "crypto-neon-fp-armv8",
                           ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
                               ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
                               ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP,
                           "8-A"));
    EXPECT_TRUE(testARMCPU("cortex-a35", "armv8-a", "crypto-neon-fp-armv8",
                           ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
                               ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
                               ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP,
                           "8-A"));
    EXPECT_TRUE(testARMCPU("cortex-a53", "armv8-a", "crypto-neon-fp-armv8",
                           ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
                               ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
                               ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP,
                           "8-A"));
    EXPECT_TRUE(testARMCPU("cortex-a55", "armv8.2-a", "crypto-neon-fp-armv8",
                           ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
                           ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
                           ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP | ARM::AEK_FP16 |
                           ARM::AEK_RAS | ARM::AEK_DOTPROD,
                           "8.2-A"));
    EXPECT_TRUE(testARMCPU("cortex-a57", "armv8-a", "crypto-neon-fp-armv8",
                           ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
                               ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
                               ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP,
                           "8-A"));
    EXPECT_TRUE(testARMCPU("cortex-a72", "armv8-a", "crypto-neon-fp-armv8",
                           ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
                               ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
                               ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP,
                           "8-A"));
    EXPECT_TRUE(testARMCPU("cortex-a73", "armv8-a", "crypto-neon-fp-armv8",
                           ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
                               ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
                               ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP,
                           "8-A"));
    EXPECT_TRUE(testARMCPU("cortex-a75", "armv8.2-a", "crypto-neon-fp-armv8",
                           ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
                           ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
                           ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP | ARM::AEK_FP16 |
                           ARM::AEK_RAS | ARM::AEK_DOTPROD,
                           "8.2-A"));
    EXPECT_TRUE(testARMCPU("cortex-a76", "armv8.2-a", "crypto-neon-fp-armv8",
                           ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
                           ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
                           ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP | ARM::AEK_FP16 |
                           ARM::AEK_RAS | ARM::AEK_DOTPROD,
                           "8.2-A"));
    EXPECT_TRUE(testARMCPU("cortex-a76ae", "armv8.2-a", "crypto-neon-fp-armv8",
                           ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
                           ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
                           ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP | ARM::AEK_FP16 |
                           ARM::AEK_RAS | ARM::AEK_DOTPROD,
                           "8.2-A"));
    EXPECT_TRUE(testARMCPU("neoverse-n1", "armv8.2-a", "crypto-neon-fp-armv8",
                          ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
                          ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
                          ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP | ARM::AEK_FP16 |
                          ARM::AEK_RAS | ARM::AEK_DOTPROD,
                          "8.2-A"));
    EXPECT_TRUE(testARMCPU("cyclone", "armv8-a", "crypto-neon-fp-armv8",
                           ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
                               ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
                               ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP,
                           "8-A"));
    EXPECT_TRUE(testARMCPU("exynos-m3", "armv8-a", "crypto-neon-fp-armv8",
                           ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
                           ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
                           ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP,
                           "8-A"));
    EXPECT_TRUE(testARMCPU("exynos-m4", "armv8.2-a", "crypto-neon-fp-armv8",
                           ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
                           ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
                           ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP | ARM::AEK_DOTPROD |
                           ARM::AEK_FP16 | ARM::AEK_RAS,
                           "8.2-A"));
    EXPECT_TRUE(testARMCPU("exynos-m5", "armv8.2-a", "crypto-neon-fp-armv8",
                           ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
                           ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
                           ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP | ARM::AEK_DOTPROD |
                           ARM::AEK_FP16 | ARM::AEK_RAS,
                           "8.2-A"));
    EXPECT_TRUE(testARMCPU("cortex-m23", "armv8-m.base", "none",
                           ARM::AEK_HWDIVTHUMB, "8-M.Baseline"));
    EXPECT_TRUE(testARMCPU("cortex-m33", "armv8-m.main", "fpv5-sp-d16",
                           ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP, "8-M.Mainline"));
    EXPECT_TRUE(testARMCPU("cortex-m35p", "armv8-m.main", "fpv5-sp-d16",
                           ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP, "8-M.Mainline"));
    EXPECT_TRUE(testARMCPU("iwmmxt", "iwmmxt", "none",
                           ARM::AEK_NONE, "iwmmxt"));
    EXPECT_TRUE(testARMCPU("xscale", "xscale", "none",
                           ARM::AEK_NONE, "xscale"));
    EXPECT_TRUE(testARMCPU("swift", "armv7s", "neon-vfpv4",
                           ARM::AEK_HWDIVARM | ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP,
                           "7-S"));
  }
  
  static constexpr unsigned NumARMCPUArchs = 85;
  
  TEST(TargetParserTest, testARMCPUArchList) {
    SmallVector<StringRef, NumARMCPUArchs> List;
    ARM::fillValidCPUArchList(List);
  
    // No list exists for these in this test suite, so ensure all are
    // valid, and match the expected 'magic' count.
    EXPECT_EQ(List.size(), NumARMCPUArchs);
    for(StringRef CPU : List) {
      EXPECT_NE(ARM::parseCPUArch(CPU), ARM::ArchKind::INVALID);
    }
  }
  
  TEST(TargetParserTest, testInvalidARMArch) {
    auto InvalidArchStrings = {"armv", "armv99", "noarm"};
    for (const char* InvalidArch : InvalidArchStrings)
      EXPECT_EQ(ARM::parseArch(InvalidArch), ARM::ArchKind::INVALID);
  }
  
  bool testARMArch(StringRef Arch, StringRef DefaultCPU, StringRef SubArch,
                   unsigned ArchAttr) {
    ARM::ArchKind AK = ARM::parseArch(Arch);
    bool Result = (AK != ARM::ArchKind::INVALID);
    Result &= ARM::getDefaultCPU(Arch).equals(DefaultCPU);
    Result &= ARM::getSubArch(AK).equals(SubArch);
    Result &= (ARM::getArchAttr(AK) == ArchAttr);
    return Result;
  }
  
  TEST(TargetParserTest, testARMArch) {
    EXPECT_TRUE(
        testARMArch("armv2", "arm2", "v2",
                            ARMBuildAttrs::CPUArch::Pre_v4));
    EXPECT_TRUE(
        testARMArch("armv2a", "arm3", "v2a",
                            ARMBuildAttrs::CPUArch::Pre_v4));
    EXPECT_TRUE(
        testARMArch("armv3", "arm6", "v3",
                            ARMBuildAttrs::CPUArch::Pre_v4));
    EXPECT_TRUE(
        testARMArch("armv3m", "arm7m", "v3m",
                            ARMBuildAttrs::CPUArch::Pre_v4));
    EXPECT_TRUE(
        testARMArch("armv4", "strongarm", "v4",
                            ARMBuildAttrs::CPUArch::v4));
    EXPECT_TRUE(
        testARMArch("armv4t", "arm7tdmi", "v4t",
                            ARMBuildAttrs::CPUArch::v4T));
    EXPECT_TRUE(
        testARMArch("armv5t", "arm10tdmi", "v5",
                            ARMBuildAttrs::CPUArch::v5T));
    EXPECT_TRUE(
        testARMArch("armv5te", "arm1022e", "v5e",
                            ARMBuildAttrs::CPUArch::v5TE));
    EXPECT_TRUE(
        testARMArch("armv5tej", "arm926ej-s", "v5e",
                            ARMBuildAttrs::CPUArch::v5TEJ));
    EXPECT_TRUE(
        testARMArch("armv6", "arm1136jf-s", "v6",
                            ARMBuildAttrs::CPUArch::v6));
    EXPECT_TRUE(
        testARMArch("armv6k", "mpcore", "v6k",
                            ARMBuildAttrs::CPUArch::v6K));
    EXPECT_TRUE(
        testARMArch("armv6t2", "arm1156t2-s", "v6t2",
                            ARMBuildAttrs::CPUArch::v6T2));
    EXPECT_TRUE(
        testARMArch("armv6kz", "arm1176jzf-s", "v6kz",
                            ARMBuildAttrs::CPUArch::v6KZ));
    EXPECT_TRUE(
        testARMArch("armv6-m", "cortex-m0", "v6m",
                            ARMBuildAttrs::CPUArch::v6_M));
    EXPECT_TRUE(
        testARMArch("armv7-a", "generic", "v7",
                            ARMBuildAttrs::CPUArch::v7));
    EXPECT_TRUE(
        testARMArch("armv7ve", "generic", "v7ve",
                            ARMBuildAttrs::CPUArch::v7));
    EXPECT_TRUE(
        testARMArch("armv7-r", "cortex-r4", "v7r",
                            ARMBuildAttrs::CPUArch::v7));
    EXPECT_TRUE(
        testARMArch("armv7-m", "cortex-m3", "v7m",
                            ARMBuildAttrs::CPUArch::v7));
    EXPECT_TRUE(
        testARMArch("armv7e-m", "cortex-m4", "v7em",
                            ARMBuildAttrs::CPUArch::v7E_M));
    EXPECT_TRUE(
        testARMArch("armv8-a", "generic", "v8",
                            ARMBuildAttrs::CPUArch::v8_A));
    EXPECT_TRUE(
        testARMArch("armv8.1-a", "generic", "v8.1a",
                            ARMBuildAttrs::CPUArch::v8_A));
    EXPECT_TRUE(
        testARMArch("armv8.2-a", "generic", "v8.2a",
                            ARMBuildAttrs::CPUArch::v8_A));
    EXPECT_TRUE(
        testARMArch("armv8.3-a", "generic", "v8.3a",
                            ARMBuildAttrs::CPUArch::v8_A));
    EXPECT_TRUE(
        testARMArch("armv8.4-a", "generic", "v8.4a",
                            ARMBuildAttrs::CPUArch::v8_A));
    EXPECT_TRUE(
        testARMArch("armv8.5-a", "generic", "v8.5a",
                            ARMBuildAttrs::CPUArch::v8_A));
    EXPECT_TRUE(
        testARMArch("armv8-r", "cortex-r52", "v8r",
                            ARMBuildAttrs::CPUArch::v8_R));
    EXPECT_TRUE(
        testARMArch("armv8-m.base", "generic", "v8m.base",
                            ARMBuildAttrs::CPUArch::v8_M_Base));
    EXPECT_TRUE(
        testARMArch("armv8-m.main", "generic", "v8m.main",
                            ARMBuildAttrs::CPUArch::v8_M_Main));
    EXPECT_TRUE(
        testARMArch("armv8.1-m.main", "generic", "v8.1m.main",
                            ARMBuildAttrs::CPUArch::v8_1_M_Main));
    EXPECT_TRUE(
        testARMArch("iwmmxt", "iwmmxt", "",
                            ARMBuildAttrs::CPUArch::v5TE));
    EXPECT_TRUE(
        testARMArch("iwmmxt2", "generic", "",
                            ARMBuildAttrs::CPUArch::v5TE));
    EXPECT_TRUE(
        testARMArch("xscale", "xscale", "v5e",
                            ARMBuildAttrs::CPUArch::v5TE));
    EXPECT_TRUE(
        testARMArch("armv7s", "swift", "v7s",
                            ARMBuildAttrs::CPUArch::v7));
    EXPECT_TRUE(
        testARMArch("armv7k", "generic", "v7k",
                            ARMBuildAttrs::CPUArch::v7));
  }
  
  bool testARMExtension(StringRef CPUName,ARM::ArchKind ArchKind, StringRef ArchExt) {
    return ARM::getDefaultExtensions(CPUName, ArchKind) &
           ARM::parseArchExt(ArchExt);
  }
  
  TEST(TargetParserTest, testARMExtension) {
    EXPECT_FALSE(testARMExtension("arm2", ARM::ArchKind::INVALID, "thumb"));
    EXPECT_FALSE(testARMExtension("arm3", ARM::ArchKind::INVALID, "thumb"));
    EXPECT_FALSE(testARMExtension("arm6", ARM::ArchKind::INVALID, "thumb"));
    EXPECT_FALSE(testARMExtension("arm7m", ARM::ArchKind::INVALID, "thumb"));
    EXPECT_FALSE(testARMExtension("strongarm", ARM::ArchKind::INVALID, "dsp"));
    EXPECT_FALSE(testARMExtension("arm7tdmi", ARM::ArchKind::INVALID, "dsp"));
    EXPECT_FALSE(testARMExtension("arm10tdmi",
                                  ARM::ArchKind::INVALID, "simd"));
    EXPECT_FALSE(testARMExtension("arm1022e", ARM::ArchKind::INVALID, "simd"));
    EXPECT_FALSE(testARMExtension("arm926ej-s",
                                  ARM::ArchKind::INVALID, "simd"));
    EXPECT_FALSE(testARMExtension("arm1136jf-s",
                                  ARM::ArchKind::INVALID, "crypto"));
    EXPECT_FALSE(testARMExtension("arm1176j-s",
                                  ARM::ArchKind::INVALID, "crypto"));
    EXPECT_FALSE(testARMExtension("arm1156t2-s",
                                  ARM::ArchKind::INVALID, "crypto"));
    EXPECT_FALSE(testARMExtension("arm1176jzf-s",
                                  ARM::ArchKind::INVALID, "crypto"));
    EXPECT_FALSE(testARMExtension("cortex-m0",
                                  ARM::ArchKind::INVALID, "crypto"));
    EXPECT_FALSE(testARMExtension("cortex-a8",
                                  ARM::ArchKind::INVALID, "crypto"));
    EXPECT_FALSE(testARMExtension("cortex-r4",
                                  ARM::ArchKind::INVALID, "crypto"));
    EXPECT_FALSE(testARMExtension("cortex-m3",
                                  ARM::ArchKind::INVALID, "crypto"));
    EXPECT_FALSE(testARMExtension("cortex-a53",
                                  ARM::ArchKind::INVALID, "ras"));
    EXPECT_FALSE(testARMExtension("cortex-a53",
                                  ARM::ArchKind::INVALID, "fp16"));
    EXPECT_TRUE(testARMExtension("cortex-a55",
                                  ARM::ArchKind::INVALID, "fp16"));
    EXPECT_FALSE(testARMExtension("cortex-a55",
                                  ARM::ArchKind::INVALID, "fp16fml"));
    EXPECT_TRUE(testARMExtension("cortex-a75",
                                  ARM::ArchKind::INVALID, "fp16"));
    EXPECT_FALSE(testARMExtension("cortex-a75",
                                  ARM::ArchKind::INVALID, "fp16fml"));
    EXPECT_FALSE(testARMExtension("cortex-r52",
                                  ARM::ArchKind::INVALID, "ras"));
    EXPECT_FALSE(testARMExtension("iwmmxt", ARM::ArchKind::INVALID, "crc"));
    EXPECT_FALSE(testARMExtension("xscale", ARM::ArchKind::INVALID, "crc"));
    EXPECT_FALSE(testARMExtension("swift", ARM::ArchKind::INVALID, "crc"));
  
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV2, "thumb"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV2A, "thumb"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV3, "thumb"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV3M, "thumb"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV4, "dsp"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV4T, "dsp"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV5T, "simd"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV5TE, "simd"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV5TEJ, "simd"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV6, "crypto"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV6K, "crypto"));
    EXPECT_FALSE(testARMExtension("generic",
                                  ARM::ArchKind::ARMV6T2, "crypto"));
    EXPECT_FALSE(testARMExtension("generic",
                                  ARM::ArchKind::ARMV6KZ, "crypto"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV6M, "crypto"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV7A, "crypto"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV7R, "crypto"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV7M, "crypto"));
    EXPECT_FALSE(testARMExtension("generic",
                                  ARM::ArchKind::ARMV7EM, "crypto"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV8A, "ras"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV8_1A, "ras"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV8_2A, "profile"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV8_2A, "fp16"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV8_2A, "fp16fml"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV8_3A, "fp16"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV8_3A, "fp16fml"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV8_4A, "fp16"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV8_4A, "fp16fml"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV8R, "ras"));
    EXPECT_FALSE(testARMExtension("generic",
                                  ARM::ArchKind::ARMV8MBaseline, "crc"));
    EXPECT_FALSE(testARMExtension("generic",
                                  ARM::ArchKind::ARMV8MMainline, "crc"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::IWMMXT, "crc"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::IWMMXT2, "crc"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::XSCALE, "crc"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV7S, "crypto"));
    EXPECT_FALSE(testARMExtension("generic", ARM::ArchKind::ARMV7K, "crypto"));
  }
  
  TEST(TargetParserTest, ARMFPUVersion) {
    for (ARM::FPUKind FK = static_cast<ARM::FPUKind>(0);
         FK <= ARM::FPUKind::FK_LAST;
         FK = static_cast<ARM::FPUKind>(static_cast<unsigned>(FK) + 1))
      if (FK == ARM::FK_LAST || ARM::getFPUName(FK) == "invalid" ||
          ARM::getFPUName(FK) == "none" || ARM::getFPUName(FK) == "softvfp")
        EXPECT_EQ(ARM::FPUVersion::NONE, ARM::getFPUVersion(FK));
      else
        EXPECT_NE(ARM::FPUVersion::NONE, ARM::getFPUVersion(FK));
  }
  
  TEST(TargetParserTest, ARMFPUNeonSupportLevel) {
    for (ARM::FPUKind FK = static_cast<ARM::FPUKind>(0);
         FK <= ARM::FPUKind::FK_LAST;
         FK = static_cast<ARM::FPUKind>(static_cast<unsigned>(FK) + 1))
      if (FK == ARM::FK_LAST ||
          ARM::getFPUName(FK).find("neon") == std::string::npos)
        EXPECT_EQ(ARM::NeonSupportLevel::None,
                   ARM::getFPUNeonSupportLevel(FK));
      else
        EXPECT_NE(ARM::NeonSupportLevel::None,
                  ARM::getFPUNeonSupportLevel(FK));
  }
  
  TEST(TargetParserTest, ARMFPURestriction) {
    for (ARM::FPUKind FK = static_cast<ARM::FPUKind>(0);
         FK <= ARM::FPUKind::FK_LAST;
         FK = static_cast<ARM::FPUKind>(static_cast<unsigned>(FK) + 1)) {
      if (FK == ARM::FK_LAST ||
          (ARM::getFPUName(FK).find("d16") == std::string::npos &&
           ARM::getFPUName(FK).find("vfpv3xd") == std::string::npos))
        EXPECT_EQ(ARM::FPURestriction::None, ARM::getFPURestriction(FK));
      else
        EXPECT_NE(ARM::FPURestriction::None, ARM::getFPURestriction(FK));
    }
  }
  
  TEST(TargetParserTest, ARMExtensionFeatures) {
    std::map<uint64_t, std::vector<StringRef>> Extensions;
  
    for (auto &Ext : ARM::ARCHExtNames) {
      if (Ext.Feature && Ext.NegFeature)
        Extensions[Ext.ID] = { StringRef(Ext.Feature),
                               StringRef(Ext.NegFeature) };
    }
  
    Extensions[ARM::AEK_HWDIVARM]   = { "+hwdiv-arm", "-hwdiv-arm" };
    Extensions[ARM::AEK_HWDIVTHUMB] = { "+hwdiv",     "-hwdiv" };
  
    std::vector<StringRef> Features;
  
    EXPECT_FALSE(ARM::getExtensionFeatures(ARM::AEK_INVALID, Features));
  
    for (auto &E : Extensions) {
      // test +extension
      Features.clear();
      ARM::getExtensionFeatures(E.first, Features);
      auto Found =
          std::find(std::begin(Features), std::end(Features), E.second.at(0));
      EXPECT_TRUE(Found != std::end(Features));
      EXPECT_TRUE(Extensions.size() == Features.size());
  
      // test -extension
      Features.clear();
      ARM::getExtensionFeatures(~E.first, Features);
      Found = std::find(std::begin(Features), std::end(Features), E.second.at(1));
      EXPECT_TRUE(Found != std::end(Features));
      EXPECT_TRUE(Extensions.size() == Features.size());
    }
  }
  
  TEST(TargetParserTest, ARMFPUFeatures) {
    std::vector<StringRef> Features;
    for (ARM::FPUKind FK = static_cast<ARM::FPUKind>(0);
         FK <= ARM::FPUKind::FK_LAST;
         FK = static_cast<ARM::FPUKind>(static_cast<unsigned>(FK) + 1))
      EXPECT_TRUE((FK == ARM::FK_INVALID || FK >= ARM::FK_LAST)
                      ? !ARM::getFPUFeatures(FK, Features)
                      : ARM::getFPUFeatures(FK, Features));
  }
  
  TEST(TargetParserTest, ARMArchExtFeature) {
    const char *ArchExt[][4] = {{"crc", "nocrc", "+crc", "-crc"},
                                {"crypto", "nocrypto", "+crypto", "-crypto"},
                                {"dsp", "nodsp", "+dsp", "-dsp"},
                                {"fp", "nofp", nullptr, nullptr},
                                {"idiv", "noidiv", nullptr, nullptr},
                                {"mp", "nomp", nullptr, nullptr},
                                {"simd", "nosimd", nullptr, nullptr},
                                {"sec", "nosec", nullptr, nullptr},
                                {"virt", "novirt", nullptr, nullptr},
                                {"fp16", "nofp16", "+fullfp16", "-fullfp16"},
                                {"fp16fml", "nofp16fml", "+fp16fml", "-fp16fml"},
                                {"ras", "noras", "+ras", "-ras"},
                                {"dotprod", "nodotprod", "+dotprod", "-dotprod"},
                                {"os", "noos", nullptr, nullptr},
                                {"iwmmxt", "noiwmmxt", nullptr, nullptr},
                                {"iwmmxt2", "noiwmmxt2", nullptr, nullptr},
                                {"maverick", "maverick", nullptr, nullptr},
                                {"xscale", "noxscale", nullptr, nullptr},
                                {"sb", "nosb", "+sb", "-sb"},
                                {"mve", "nomve", "+mve", "-mve"},
                                {"mve.fp", "nomve.fp", "+mve.fp", "-mve.fp"}};
  
    for (unsigned i = 0; i < array_lengthof(ArchExt); i++) {
      EXPECT_EQ(StringRef(ArchExt[i][2]), ARM::getArchExtFeature(ArchExt[i][0]));
      EXPECT_EQ(StringRef(ArchExt[i][3]), ARM::getArchExtFeature(ArchExt[i][1]));
    }
  }
  
  static bool
  testArchExtDependency(const char *ArchExt,
                        const std::initializer_list<const char *> &Expected) {
    std::vector<StringRef> Features;
  
    if (!ARM::appendArchExtFeatures("", ARM::ArchKind::ARMV8_1MMainline, ArchExt,
                                    Features))
      return false;
  
    return llvm::all_of(Expected, [&](StringRef Ext) {
      return llvm::is_contained(Features, Ext);
    });
  }
  
  TEST(TargetParserTest, ARMArchExtDependencies) {
    EXPECT_TRUE(testArchExtDependency("mve", {"+mve", "+dsp"}));
    EXPECT_TRUE(testArchExtDependency("mve.fp", {"+mve.fp", "+mve", "+dsp"}));
    EXPECT_TRUE(testArchExtDependency("nodsp", {"-dsp", "-mve", "-mve.fp"}));
    EXPECT_TRUE(testArchExtDependency("nomve", {"-mve", "-mve.fp"}));
  }
  
  TEST(TargetParserTest, ARMparseHWDiv) {
    const char *hwdiv[] = {"thumb", "arm", "arm,thumb", "thumb,arm"};
  
    for (unsigned i = 0; i < array_lengthof(hwdiv); i++)
      EXPECT_NE(ARM::AEK_INVALID, ARM::parseHWDiv((StringRef)hwdiv[i]));
  }
  
  TEST(TargetParserTest, ARMparseArchEndianAndISA) {
    const char *Arch[] = {
        "v2",   "v2a",    "v3",    "v3m",    "v4",    "v4t",    "v5",    "v5t",
        "v5e",  "v5te",   "v5tej", "v6",     "v6j",   "v6k",    "v6hl",  "v6t2",
        "v6kz", "v6z",    "v6zk",  "v6-m",   "v6m",   "v6sm",   "v6s-m", "v7-a",
        "v7",   "v7a",    "v7ve",  "v7hl",   "v7l",   "v7-r",   "v7r",   "v7-m",
        "v7m",  "v7k",    "v7s",   "v7e-m",  "v7em",  "v8-a",   "v8",    "v8a",
        "v8l",  "v8.1-a", "v8.1a", "v8.2-a", "v8.2a", "v8.3-a", "v8.3a", "v8.4-a",
        "v8.4a", "v8.5-a","v8.5a", "v8-r",   "v8m.base", "v8m.main", "v8.1m.main"
    };
  
    for (unsigned i = 0; i < array_lengthof(Arch); i++) {
      std::string arm_1 = "armeb" + (std::string)(Arch[i]);
      std::string arm_2 = "arm" + (std::string)(Arch[i]) + "eb";
      std::string arm_3 = "arm" + (std::string)(Arch[i]);
      std::string thumb_1 = "thumbeb" + (std::string)(Arch[i]);
      std::string thumb_2 = "thumb" + (std::string)(Arch[i]) + "eb";
      std::string thumb_3 = "thumb" + (std::string)(Arch[i]);
  
      EXPECT_EQ(ARM::EndianKind::BIG, ARM::parseArchEndian(arm_1));
      EXPECT_EQ(ARM::EndianKind::BIG, ARM::parseArchEndian(arm_2));
      EXPECT_EQ(ARM::EndianKind::LITTLE, ARM::parseArchEndian(arm_3));
  
      EXPECT_EQ(ARM::ISAKind::ARM, ARM::parseArchISA(arm_1));
      EXPECT_EQ(ARM::ISAKind::ARM, ARM::parseArchISA(arm_2));
      EXPECT_EQ(ARM::ISAKind::ARM, ARM::parseArchISA(arm_3));
      if (i >= 4) {
        EXPECT_EQ(ARM::EndianKind::BIG, ARM::parseArchEndian(thumb_1));
        EXPECT_EQ(ARM::EndianKind::BIG, ARM::parseArchEndian(thumb_2));
        EXPECT_EQ(ARM::EndianKind::LITTLE, ARM::parseArchEndian(thumb_3));
  
        EXPECT_EQ(ARM::ISAKind::THUMB, ARM::parseArchISA(thumb_1));
        EXPECT_EQ(ARM::ISAKind::THUMB, ARM::parseArchISA(thumb_2));
        EXPECT_EQ(ARM::ISAKind::THUMB, ARM::parseArchISA(thumb_3));
      }
    }
  
    EXPECT_EQ(ARM::EndianKind::LITTLE, ARM::parseArchEndian("aarch64"));
    EXPECT_EQ(ARM::EndianKind::LITTLE, ARM::parseArchEndian("arm64_32"));
    EXPECT_EQ(ARM::EndianKind::BIG, ARM::parseArchEndian("aarch64_be"));
  
    EXPECT_EQ(ARM::ISAKind::AARCH64, ARM::parseArchISA("aarch64"));
    EXPECT_EQ(ARM::ISAKind::AARCH64, ARM::parseArchISA("aarch64_be"));
    EXPECT_EQ(ARM::ISAKind::AARCH64, ARM::parseArchISA("arm64"));
    EXPECT_EQ(ARM::ISAKind::AARCH64, ARM::parseArchISA("arm64_be"));
    EXPECT_EQ(ARM::ISAKind::AARCH64, ARM::parseArchISA("arm64_32"));
    EXPECT_EQ(ARM::ISAKind::AARCH64, ARM::parseArchISA("aarch64_32"));
  }
  
  TEST(TargetParserTest, ARMparseArchProfile) {
    for (unsigned i = 0; i < array_lengthof(ARMArch); i++) {
      switch (ARM::parseArch(ARMArch[i])) {
      case ARM::ArchKind::ARMV6M:
      case ARM::ArchKind::ARMV7M:
      case ARM::ArchKind::ARMV7EM:
      case ARM::ArchKind::ARMV8MMainline:
      case ARM::ArchKind::ARMV8MBaseline:
      case ARM::ArchKind::ARMV8_1MMainline:
        EXPECT_EQ(ARM::ProfileKind::M, ARM::parseArchProfile(ARMArch[i]));
        break;
      case ARM::ArchKind::ARMV7R:
      case ARM::ArchKind::ARMV8R:
        EXPECT_EQ(ARM::ProfileKind::R, ARM::parseArchProfile(ARMArch[i]));
        break;
      case ARM::ArchKind::ARMV7A:
      case ARM::ArchKind::ARMV7VE:
      case ARM::ArchKind::ARMV7K:
      case ARM::ArchKind::ARMV8A:
      case ARM::ArchKind::ARMV8_1A:
      case ARM::ArchKind::ARMV8_2A:
      case ARM::ArchKind::ARMV8_3A:
      case ARM::ArchKind::ARMV8_4A:
      case ARM::ArchKind::ARMV8_5A:
        EXPECT_EQ(ARM::ProfileKind::A, ARM::parseArchProfile(ARMArch[i]));
        break;
      default:
        EXPECT_EQ(ARM::ProfileKind::INVALID, ARM::parseArchProfile(ARMArch[i]));
        break;
      }
    }
  }
  
  TEST(TargetParserTest, ARMparseArchVersion) {
    for (unsigned i = 0; i < array_lengthof(ARMArch); i++)
      if (((std::string)ARMArch[i]).substr(0, 4) == "armv")
        EXPECT_EQ((ARMArch[i][4] - 48u), ARM::parseArchVersion(ARMArch[i]));
      else
        EXPECT_EQ(5u, ARM::parseArchVersion(ARMArch[i]));
  }
  
  bool testAArch64CPU(StringRef CPUName, StringRef ExpectedArch,
                      StringRef ExpectedFPU, unsigned ExpectedFlags,
                      StringRef CPUAttr) {
    AArch64::ArchKind AK = AArch64::parseCPUArch(CPUName);
    bool pass = AArch64::getArchName(AK).equals(ExpectedArch);
  
    unsigned ExtKind = AArch64::getDefaultExtensions(CPUName, AK);
    if (ExtKind > 1 && (ExtKind & AArch64::AEK_NONE))
      pass &= ((ExtKind ^ AArch64::AEK_NONE) == ExpectedFlags);
    else
      pass &= (ExtKind == ExpectedFlags);
  
    pass &= AArch64::getCPUAttr(AK).equals(CPUAttr);
  
    return pass;
  }
  
  TEST(TargetParserTest, testAArch64CPU) {
    EXPECT_TRUE(testAArch64CPU(
        "invalid", "invalid", "invalid",
        AArch64::AEK_NONE, ""));
    EXPECT_TRUE(testAArch64CPU(
        "generic", "invalid", "none",
        AArch64::AEK_NONE, ""));
  
    EXPECT_TRUE(testAArch64CPU(
        "cortex-a35", "armv8-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
        AArch64::AEK_SIMD, "8-A"));
    EXPECT_TRUE(testAArch64CPU(
        "cortex-a53", "armv8-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
        AArch64::AEK_SIMD, "8-A"));
    EXPECT_TRUE(testAArch64CPU(
        "cortex-a55", "armv8.2-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
        AArch64::AEK_SIMD | AArch64::AEK_RAS | AArch64::AEK_LSE |
        AArch64::AEK_RDM | AArch64::AEK_FP16 | AArch64::AEK_DOTPROD |
        AArch64::AEK_RCPC, "8.2-A"));
    EXPECT_TRUE(testAArch64CPU(
        "cortex-a57", "armv8-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
        AArch64::AEK_SIMD, "8-A"));
    EXPECT_TRUE(testAArch64CPU(
        "cortex-a65", "armv8.2-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_DOTPROD |
        AArch64::AEK_FP | AArch64::AEK_FP16 | AArch64::AEK_LSE |
        AArch64::AEK_RAS | AArch64::AEK_RCPC | AArch64::AEK_RDM |
        AArch64::AEK_SIMD | AArch64::AEK_SSBS,
        "8.2-A"));
    EXPECT_TRUE(testAArch64CPU(
        "cortex-a65ae", "armv8.2-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_DOTPROD |
        AArch64::AEK_FP | AArch64::AEK_FP16 | AArch64::AEK_LSE |
        AArch64::AEK_RAS | AArch64::AEK_RCPC | AArch64::AEK_RDM |
        AArch64::AEK_SIMD | AArch64::AEK_SSBS,
        "8.2-A"));
    EXPECT_TRUE(testAArch64CPU(
        "cortex-a72", "armv8-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
        AArch64::AEK_SIMD, "8-A"));
    EXPECT_TRUE(testAArch64CPU(
        "cortex-a73", "armv8-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
        AArch64::AEK_SIMD, "8-A"));
    EXPECT_TRUE(testAArch64CPU(
        "cortex-a75", "armv8.2-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
        AArch64::AEK_SIMD | AArch64::AEK_RAS | AArch64::AEK_LSE |
        AArch64::AEK_RDM | AArch64::AEK_FP16 | AArch64::AEK_DOTPROD |
        AArch64::AEK_RCPC, "8.2-A"));
    EXPECT_TRUE(testAArch64CPU(
        "cortex-a76", "armv8.2-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
        AArch64::AEK_RDM | AArch64::AEK_SIMD | AArch64::AEK_RAS |
        AArch64::AEK_LSE | AArch64::AEK_FP16 | AArch64::AEK_DOTPROD |
        AArch64::AEK_RCPC| AArch64::AEK_SSBS, "8.2-A"));
    EXPECT_TRUE(testAArch64CPU(
        "cortex-a76ae", "armv8.2-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
        AArch64::AEK_RDM | AArch64::AEK_SIMD | AArch64::AEK_RAS |
        AArch64::AEK_LSE | AArch64::AEK_FP16 | AArch64::AEK_DOTPROD |
        AArch64::AEK_RCPC| AArch64::AEK_SSBS, "8.2-A"));
    EXPECT_TRUE(testAArch64CPU(
        "cyclone", "armv8-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRYPTO | AArch64::AEK_FP | AArch64::AEK_SIMD, "8-A"));
    EXPECT_TRUE(testAArch64CPU(
        "apple-a7", "armv8-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRYPTO | AArch64::AEK_FP | AArch64::AEK_SIMD, "8-A"));
    EXPECT_TRUE(testAArch64CPU(
        "apple-a8", "armv8-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRYPTO | AArch64::AEK_FP | AArch64::AEK_SIMD, "8-A"));
    EXPECT_TRUE(testAArch64CPU(
        "apple-a9", "armv8-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRYPTO | AArch64::AEK_FP | AArch64::AEK_SIMD, "8-A"));
    EXPECT_TRUE(testAArch64CPU("apple-a10", "armv8-a", "crypto-neon-fp-armv8",
                               AArch64::AEK_CRC | AArch64::AEK_CRYPTO |
                                   AArch64::AEK_FP | AArch64::AEK_RDM |
                                   AArch64::AEK_SIMD,
                               "8-A"));
    EXPECT_TRUE(testAArch64CPU("apple-a11", "armv8.2-a", "crypto-neon-fp-armv8",
                               AArch64::AEK_CRC | AArch64::AEK_CRYPTO |
                                   AArch64::AEK_FP | AArch64::AEK_LSE |
                                   AArch64::AEK_RAS | AArch64::AEK_RDM |
                                   AArch64::AEK_SIMD,
                               "8.2-A"));
    EXPECT_TRUE(testAArch64CPU(
        "apple-a12", "armv8.3-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
            AArch64::AEK_SIMD | AArch64::AEK_LSE | AArch64::AEK_RAS |
            AArch64::AEK_RDM | AArch64::AEK_RCPC | AArch64::AEK_FP16,
        "8.3-A"));
    EXPECT_TRUE(testAArch64CPU(
        "apple-a13", "armv8.4-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
            AArch64::AEK_SIMD | AArch64::AEK_LSE | AArch64::AEK_RAS |
            AArch64::AEK_RDM | AArch64::AEK_RCPC | AArch64::AEK_DOTPROD |
            AArch64::AEK_FP16 | AArch64::AEK_FP16FML,
        "8.4-A"));
    EXPECT_TRUE(testAArch64CPU(
        "apple-s4", "armv8.3-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
            AArch64::AEK_SIMD | AArch64::AEK_LSE | AArch64::AEK_RAS |
            AArch64::AEK_RDM | AArch64::AEK_RCPC | AArch64::AEK_FP16,
        "8.3-A"));
    EXPECT_TRUE(testAArch64CPU(
        "apple-s5", "armv8.3-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
            AArch64::AEK_SIMD | AArch64::AEK_LSE | AArch64::AEK_RAS |
            AArch64::AEK_RDM | AArch64::AEK_RCPC | AArch64::AEK_FP16,
        "8.3-A"));
    EXPECT_TRUE(testAArch64CPU(
        "exynos-m3", "armv8-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
        AArch64::AEK_SIMD, "8-A"));
    EXPECT_TRUE(testAArch64CPU(
        "exynos-m4", "armv8.2-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO |
        AArch64::AEK_DOTPROD | AArch64::AEK_FP | AArch64::AEK_FP16 |
        AArch64::AEK_LSE | AArch64::AEK_RAS | AArch64::AEK_RDM |
        AArch64::AEK_SIMD, "8.2-A"));
    EXPECT_TRUE(testAArch64CPU(
        "exynos-m5", "armv8.2-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO |
        AArch64::AEK_DOTPROD | AArch64::AEK_FP | AArch64::AEK_FP16 |
        AArch64::AEK_LSE | AArch64::AEK_RAS | AArch64::AEK_RDM |
        AArch64::AEK_SIMD, "8.2-A"));
    EXPECT_TRUE(testAArch64CPU(
        "falkor", "armv8-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
        AArch64::AEK_SIMD | AArch64::AEK_RDM, "8-A"));
    EXPECT_TRUE(testAArch64CPU(
        "kryo", "armv8-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
        AArch64::AEK_SIMD, "8-A"));
    EXPECT_TRUE(testAArch64CPU(
       "neoverse-e1", "armv8.2-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_DOTPROD |
        AArch64::AEK_FP | AArch64::AEK_FP16 | AArch64::AEK_LSE |
        AArch64::AEK_RAS | AArch64::AEK_RCPC | AArch64::AEK_RDM |
        AArch64::AEK_SIMD | AArch64::AEK_SSBS,
       "8.2-A"));
    EXPECT_TRUE(testAArch64CPU(
       "neoverse-n1", "armv8.2-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_DOTPROD |
        AArch64::AEK_FP | AArch64::AEK_FP16 | AArch64::AEK_LSE |
        AArch64::AEK_PROFILE | AArch64::AEK_RAS | AArch64::AEK_RCPC |
        AArch64::AEK_RDM | AArch64::AEK_SIMD | AArch64::AEK_SSBS,
       "8.2-A"));
    EXPECT_TRUE(testAArch64CPU(
        "thunderx2t99", "armv8.1-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_LSE |
        AArch64::AEK_RDM | AArch64::AEK_FP | AArch64::AEK_SIMD, "8.1-A"));
    EXPECT_TRUE(testAArch64CPU(
        "thunderx", "armv8-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD |
        AArch64::AEK_FP | AArch64::AEK_PROFILE,
        "8-A"));
    EXPECT_TRUE(testAArch64CPU(
        "thunderxt81", "armv8-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD |
        AArch64::AEK_FP | AArch64::AEK_PROFILE,
        "8-A"));
    EXPECT_TRUE(testAArch64CPU(
        "thunderxt83", "armv8-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD |
        AArch64::AEK_FP | AArch64::AEK_PROFILE,
        "8-A"));
    EXPECT_TRUE(testAArch64CPU(
        "thunderxt88", "armv8-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD |
        AArch64::AEK_FP | AArch64::AEK_PROFILE,
        "8-A"));
    EXPECT_TRUE(testAArch64CPU(
        "tsv110", "armv8.2-a", "crypto-neon-fp-armv8",
        AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
        AArch64::AEK_SIMD | AArch64::AEK_RAS | AArch64::AEK_LSE |
        AArch64::AEK_RDM | AArch64::AEK_PROFILE | AArch64::AEK_FP16 |
        AArch64::AEK_FP16FML | AArch64::AEK_DOTPROD,
        "8.2-A"));
  }
  
  static constexpr unsigned NumAArch64CPUArchs = 35;
  
  TEST(TargetParserTest, testAArch64CPUArchList) {
    SmallVector<StringRef, NumAArch64CPUArchs> List;
    AArch64::fillValidCPUArchList(List);
  
    // No list exists for these in this test suite, so ensure all are
    // valid, and match the expected 'magic' count.
    EXPECT_EQ(List.size(), NumAArch64CPUArchs);
    for(StringRef CPU : List) {
      EXPECT_NE(AArch64::parseCPUArch(CPU), AArch64::ArchKind::INVALID);
    }
  }
  
  bool testAArch64Arch(StringRef Arch, StringRef DefaultCPU, StringRef SubArch,
                       unsigned ArchAttr) {
    AArch64::ArchKind AK = AArch64::parseArch(Arch);
    return (AK != AArch64::ArchKind::INVALID) &
           AArch64::getDefaultCPU(Arch).equals(DefaultCPU) &
           AArch64::getSubArch(AK).equals(SubArch) &
           (AArch64::getArchAttr(AK) == ArchAttr);
  }
  
  TEST(TargetParserTest, testAArch64Arch) {
    EXPECT_TRUE(testAArch64Arch("armv8-a", "cortex-a53", "v8",
                                ARMBuildAttrs::CPUArch::v8_A));
    EXPECT_TRUE(testAArch64Arch("armv8.1-a", "generic", "v8.1a",
                                ARMBuildAttrs::CPUArch::v8_A));
    EXPECT_TRUE(testAArch64Arch("armv8.2-a", "generic", "v8.2a",
                                ARMBuildAttrs::CPUArch::v8_A));
    EXPECT_TRUE(testAArch64Arch("armv8.3-a", "generic", "v8.3a",
                                ARMBuildAttrs::CPUArch::v8_A));
    EXPECT_TRUE(testAArch64Arch("armv8.4-a", "generic", "v8.4a",
                                ARMBuildAttrs::CPUArch::v8_A));
    EXPECT_TRUE(testAArch64Arch("armv8.5-a", "generic", "v8.5a",
                                ARMBuildAttrs::CPUArch::v8_A));
  }
  
  bool testAArch64Extension(StringRef CPUName, AArch64::ArchKind AK,
                            StringRef ArchExt) {
    return AArch64::getDefaultExtensions(CPUName, AK) &
           AArch64::parseArchExt(ArchExt);
  }
  
  TEST(TargetParserTest, testAArch64Extension) {
    EXPECT_FALSE(testAArch64Extension("cortex-a35",
                                      AArch64::ArchKind::INVALID, "ras"));
    EXPECT_FALSE(testAArch64Extension("cortex-a53",
                                      AArch64::ArchKind::INVALID, "ras"));
    EXPECT_TRUE(testAArch64Extension("cortex-a55",
                                      AArch64::ArchKind::INVALID, "ras"));
    EXPECT_FALSE(testAArch64Extension("cortex-a57",
                                      AArch64::ArchKind::INVALID, "ras"));
    EXPECT_FALSE(testAArch64Extension("cortex-a72",
                                      AArch64::ArchKind::INVALID, "ras"));
    EXPECT_FALSE(testAArch64Extension("cortex-a73",
                                      AArch64::ArchKind::INVALID, "ras"));
    EXPECT_TRUE(testAArch64Extension("cortex-a75",
                                      AArch64::ArchKind::INVALID, "ras"));
    EXPECT_FALSE(testAArch64Extension("cyclone",
                                      AArch64::ArchKind::INVALID, "ras"));
    EXPECT_FALSE(testAArch64Extension("exynos-m3",
                                      AArch64::ArchKind::INVALID, "ras"));
    EXPECT_TRUE(testAArch64Extension("exynos-m4",
                                     AArch64::ArchKind::INVALID, "dotprod"));
    EXPECT_TRUE(testAArch64Extension("exynos-m4",
                                     AArch64::ArchKind::INVALID, "fp16"));
    EXPECT_TRUE(testAArch64Extension("exynos-m4",
                                     AArch64::ArchKind::INVALID, "lse"));
    EXPECT_TRUE(testAArch64Extension("exynos-m4",
                                     AArch64::ArchKind::INVALID, "ras"));
    EXPECT_TRUE(testAArch64Extension("exynos-m4",
                                     AArch64::ArchKind::INVALID, "rdm"));
    EXPECT_TRUE(testAArch64Extension("exynos-m5",
                                     AArch64::ArchKind::INVALID, "dotprod"));
    EXPECT_TRUE(testAArch64Extension("exynos-m5",
                                     AArch64::ArchKind::INVALID, "fp16"));
    EXPECT_TRUE(testAArch64Extension("exynos-m5",
                                     AArch64::ArchKind::INVALID, "lse"));
    EXPECT_TRUE(testAArch64Extension("exynos-m5",
                                     AArch64::ArchKind::INVALID, "ras"));
    EXPECT_TRUE(testAArch64Extension("exynos-m5",
                                     AArch64::ArchKind::INVALID, "rdm"));
    EXPECT_TRUE(testAArch64Extension("falkor",
                                     AArch64::ArchKind::INVALID, "rdm"));
    EXPECT_FALSE(testAArch64Extension("kryo",
                                      AArch64::ArchKind::INVALID, "ras"));
    EXPECT_TRUE(testAArch64Extension("saphira",
                                      AArch64::ArchKind::INVALID, "crc"));
    EXPECT_TRUE(testAArch64Extension("saphira",
                                      AArch64::ArchKind::INVALID, "lse"));
    EXPECT_TRUE(testAArch64Extension("saphira",
                                     AArch64::ArchKind::INVALID, "rdm"));
    EXPECT_TRUE(testAArch64Extension("saphira",
                                     AArch64::ArchKind::INVALID, "ras"));
    EXPECT_TRUE(testAArch64Extension("saphira",
                                     AArch64::ArchKind::INVALID, "rcpc"));
    EXPECT_TRUE(testAArch64Extension("saphira",
                                     AArch64::ArchKind::INVALID, "profile"));
    EXPECT_FALSE(testAArch64Extension("saphira",
                                      AArch64::ArchKind::INVALID, "fp16"));
    EXPECT_TRUE(testAArch64Extension("cortex-a55",
                                      AArch64::ArchKind::INVALID, "fp16"));
    EXPECT_FALSE(testAArch64Extension("cortex-a55",
                                      AArch64::ArchKind::INVALID, "fp16fml"));
    EXPECT_TRUE(testAArch64Extension("cortex-a55",
                                      AArch64::ArchKind::INVALID, "dotprod"));
    EXPECT_TRUE(testAArch64Extension("cortex-a75",
                                      AArch64::ArchKind::INVALID, "fp16"));
    EXPECT_FALSE(testAArch64Extension("cortex-a75",
                                      AArch64::ArchKind::INVALID, "fp16fml"));
    EXPECT_TRUE(testAArch64Extension("cortex-a75",
                                      AArch64::ArchKind::INVALID, "dotprod"));
    EXPECT_FALSE(testAArch64Extension("thunderx2t99",
                                      AArch64::ArchKind::INVALID, "ras"));
    EXPECT_FALSE(testAArch64Extension("thunderx",
                                      AArch64::ArchKind::INVALID, "lse"));
    EXPECT_FALSE(testAArch64Extension("thunderxt81",
                                      AArch64::ArchKind::INVALID, "lse"));
    EXPECT_FALSE(testAArch64Extension("thunderxt83",
                                      AArch64::ArchKind::INVALID, "lse"));
    EXPECT_FALSE(testAArch64Extension("thunderxt88",
                                      AArch64::ArchKind::INVALID, "lse"));
    EXPECT_TRUE(testAArch64Extension("tsv110",
                                     AArch64::ArchKind::INVALID, "crypto"));
    EXPECT_FALSE(testAArch64Extension("tsv110",
                                      AArch64::ArchKind::INVALID, "sha3"));
    EXPECT_FALSE(testAArch64Extension("tsv110",
                                      AArch64::ArchKind::INVALID, "sm4"));
    EXPECT_TRUE(testAArch64Extension("tsv110",
                                     AArch64::ArchKind::INVALID, "ras"));
    EXPECT_TRUE(testAArch64Extension("tsv110",
                                     AArch64::ArchKind::INVALID, "profile"));
    EXPECT_TRUE(testAArch64Extension("tsv110",
                                     AArch64::ArchKind::INVALID, "fp16"));
    EXPECT_TRUE(testAArch64Extension("tsv110",
                                     AArch64::ArchKind::INVALID, "fp16fml"));
    EXPECT_TRUE(testAArch64Extension("tsv110",
                                     AArch64::ArchKind::INVALID, "dotprod"));
  
    EXPECT_FALSE(testAArch64Extension(
        "generic", AArch64::ArchKind::ARMV8A, "ras"));
    EXPECT_FALSE(testAArch64Extension(
        "generic", AArch64::ArchKind::ARMV8_1A, "ras"));
    EXPECT_FALSE(testAArch64Extension(
        "generic", AArch64::ArchKind::ARMV8_2A, "profile"));
    EXPECT_FALSE(testAArch64Extension(
        "generic", AArch64::ArchKind::ARMV8_2A, "fp16"));
    EXPECT_FALSE(testAArch64Extension(
        "generic", AArch64::ArchKind::ARMV8_2A, "fp16fml"));
    EXPECT_FALSE(testAArch64Extension(
        "generic", AArch64::ArchKind::ARMV8_3A, "fp16"));
    EXPECT_FALSE(testAArch64Extension(
        "generic", AArch64::ArchKind::ARMV8_3A, "fp16fml"));
    EXPECT_FALSE(testAArch64Extension(
        "generic", AArch64::ArchKind::ARMV8_4A, "fp16"));
    EXPECT_FALSE(testAArch64Extension(
        "generic", AArch64::ArchKind::ARMV8_4A, "fp16fml"));
  }
  
  TEST(TargetParserTest, AArch64ExtensionFeatures) {
    std::vector<unsigned> Extensions = {
      AArch64::AEK_CRC,      AArch64::AEK_CRYPTO,
      AArch64::AEK_FP,       AArch64::AEK_SIMD,
      AArch64::AEK_FP16,     AArch64::AEK_PROFILE,
      AArch64::AEK_RAS,      AArch64::AEK_LSE,
      AArch64::AEK_RDM,      AArch64::AEK_DOTPROD,
      AArch64::AEK_SVE,      AArch64::AEK_SVE2,
      AArch64::AEK_SVE2AES,  AArch64::AEK_SVE2SM4,
      AArch64::AEK_SVE2SHA3, AArch64::AEK_SVE2BITPERM,
      AArch64::AEK_RCPC,     AArch64::AEK_FP16FML };
  
    std::vector<StringRef> Features;
  
    unsigned ExtVal = 0;
    for (auto Ext : Extensions)
      ExtVal |= Ext;
  
    EXPECT_FALSE(AArch64::getExtensionFeatures(AArch64::AEK_INVALID, Features));
    EXPECT_TRUE(!Features.size());
  
    AArch64::getExtensionFeatures(ExtVal, Features);
    EXPECT_TRUE(Extensions.size() == Features.size());
  
    auto B = std::begin(Features);
    auto E = std::end(Features);
  
    EXPECT_TRUE(std::find(B, E, "+crc") != E);
    EXPECT_TRUE(std::find(B, E, "+crypto") != E);
    EXPECT_TRUE(std::find(B, E, "+fp-armv8") != E);
    EXPECT_TRUE(std::find(B, E, "+neon") != E);
    EXPECT_TRUE(std::find(B, E, "+fullfp16") != E);
    EXPECT_TRUE(std::find(B, E, "+spe") != E);
    EXPECT_TRUE(std::find(B, E, "+ras") != E);
    EXPECT_TRUE(std::find(B, E, "+lse") != E);
    EXPECT_TRUE(std::find(B, E, "+rdm") != E);
    EXPECT_TRUE(std::find(B, E, "+dotprod") != E);
    EXPECT_TRUE(std::find(B, E, "+rcpc") != E);
    EXPECT_TRUE(std::find(B, E, "+fp16fml") != E);
    EXPECT_TRUE(std::find(B, E, "+sve") != E);
    EXPECT_TRUE(std::find(B, E, "+sve2") != E);
    EXPECT_TRUE(std::find(B, E, "+sve2-aes") != E);
    EXPECT_TRUE(std::find(B, E, "+sve2-sm4") != E);
    EXPECT_TRUE(std::find(B, E, "+sve2-sha3") != E);
    EXPECT_TRUE(std::find(B, E, "+sve2-bitperm") != E);
  }
  
  TEST(TargetParserTest, AArch64ArchFeatures) {
    std::vector<StringRef> Features;
  
    for (auto AK : AArch64::ArchKinds)
      EXPECT_TRUE((AK == AArch64::ArchKind::INVALID)
                      ? !AArch64::getArchFeatures(AK, Features)
                      : AArch64::getArchFeatures(AK, Features));
  }
  
  TEST(TargetParserTest, AArch64ArchExtFeature) {
    const char *ArchExt[][4] = {{"crc", "nocrc", "+crc", "-crc"},
                                {"crypto", "nocrypto", "+crypto", "-crypto"},
                                {"fp", "nofp", "+fp-armv8", "-fp-armv8"},
                                {"simd", "nosimd", "+neon", "-neon"},
                                {"fp16", "nofp16", "+fullfp16", "-fullfp16"},
                                {"fp16fml", "nofp16fml", "+fp16fml", "-fp16fml"},
                                {"profile", "noprofile", "+spe", "-spe"},
                                {"ras", "noras", "+ras", "-ras"},
                                {"lse", "nolse", "+lse", "-lse"},
                                {"rdm", "nordm", "+rdm", "-rdm"},
                                {"sve", "nosve", "+sve", "-sve"},
                                {"sve2", "nosve2", "+sve2", "-sve2"},
                                {"sve2-aes", "nosve2-aes", "+sve2-aes",
                                 "-sve2-aes"},
                                {"sve2-sm4", "nosve2-sm4", "+sve2-sm4",
                                 "-sve2-sm4"},
                                {"sve2-sha3", "nosve2-sha3", "+sve2-sha3",
                                 "-sve2-sha3"},
                                {"sve2-bitperm", "nosve2-bitperm",
                                 "+sve2-bitperm", "-sve2-bitperm"},
                                {"dotprod", "nodotprod", "+dotprod", "-dotprod"},
                                {"rcpc", "norcpc", "+rcpc", "-rcpc" },
                                {"rng", "norng", "+rand", "-rand"},
                                {"memtag", "nomemtag", "+mte", "-mte"},
                                {"tme", "notme", "+tme", "-tme"},
                                {"ssbs", "nossbs", "+ssbs", "-ssbs"},
                                {"sb", "nosb", "+sb", "-sb"},
                                {"predres", "nopredres", "+predres", "-predres"}
  };
  
    for (unsigned i = 0; i < array_lengthof(ArchExt); i++) {
      EXPECT_EQ(StringRef(ArchExt[i][2]),
                AArch64::getArchExtFeature(ArchExt[i][0]));
      EXPECT_EQ(StringRef(ArchExt[i][3]),
                AArch64::getArchExtFeature(ArchExt[i][1]));
    }
  }
  }
  