Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/Support/AArch64TargetParser.def b/linux-x64/clang/include/llvm/Support/AArch64TargetParser.def
new file mode 100644
index 0000000..30c7924
--- /dev/null
+++ b/linux-x64/clang/include/llvm/Support/AArch64TargetParser.def
@@ -0,0 +1,103 @@
+//===- AARCH64TargetParser.def - AARCH64 target parsing defines ---------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file provides defines to build up the AARCH64 target parser's logic.
+//
+//===----------------------------------------------------------------------===//
+
+// NOTE: NO INCLUDE GUARD DESIRED!
+
+#ifndef AARCH64_ARCH
+#define AARCH64_ARCH(NAME, ID, CPU_ATTR, SUB_ARCH, ARCH_ATTR, ARCH_FPU, ARCH_BASE_EXT)
+#endif
+AARCH64_ARCH("invalid", INVALID, "", "",
+ ARMBuildAttrs::CPUArch::v8_A, FK_NONE, AArch64::AEK_NONE)
+AARCH64_ARCH("armv8-a", ARMV8A, "8-A", "v8", ARMBuildAttrs::CPUArch::v8_A,
+ FK_CRYPTO_NEON_FP_ARMV8,
+ (AArch64::AEK_CRYPTO | AArch64::AEK_FP | AArch64::AEK_SIMD))
+AARCH64_ARCH("armv8.1-a", ARMV8_1A, "8.1-A", "v8.1a",
+ ARMBuildAttrs::CPUArch::v8_A, FK_CRYPTO_NEON_FP_ARMV8,
+ (AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
+ AArch64::AEK_SIMD | AArch64::AEK_LSE | AArch64::AEK_RDM))
+AARCH64_ARCH("armv8.2-a", ARMV8_2A, "8.2-A", "v8.2a",
+ ARMBuildAttrs::CPUArch::v8_A, FK_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_ARCH("armv8.3-a", ARMV8_3A, "8.3-A", "v8.3a",
+ ARMBuildAttrs::CPUArch::v8_A, FK_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_RCPC))
+#undef AARCH64_ARCH
+
+#ifndef AARCH64_ARCH_EXT_NAME
+#define AARCH64_ARCH_EXT_NAME(NAME, ID, FEATURE, NEGFEATURE)
+#endif
+// FIXME: This would be nicer were it tablegen
+AARCH64_ARCH_EXT_NAME("invalid", AArch64::AEK_INVALID, nullptr, nullptr)
+AARCH64_ARCH_EXT_NAME("none", AArch64::AEK_NONE, nullptr, nullptr)
+AARCH64_ARCH_EXT_NAME("crc", AArch64::AEK_CRC, "+crc", "-crc")
+AARCH64_ARCH_EXT_NAME("lse", AArch64::AEK_LSE, "+lse", "-lse")
+AARCH64_ARCH_EXT_NAME("rdm", AArch64::AEK_RDM, "+rdm", "-rdm")
+AARCH64_ARCH_EXT_NAME("crypto", AArch64::AEK_CRYPTO, "+crypto","-crypto")
+AARCH64_ARCH_EXT_NAME("dotprod", AArch64::AEK_DOTPROD, "+dotprod","-dotprod")
+AARCH64_ARCH_EXT_NAME("fp", AArch64::AEK_FP, "+fp-armv8", "-fp-armv8")
+AARCH64_ARCH_EXT_NAME("simd", AArch64::AEK_SIMD, "+neon", "-neon")
+AARCH64_ARCH_EXT_NAME("fp16", AArch64::AEK_FP16, "+fullfp16", "-fullfp16")
+AARCH64_ARCH_EXT_NAME("profile", AArch64::AEK_PROFILE, "+spe", "-spe")
+AARCH64_ARCH_EXT_NAME("ras", AArch64::AEK_RAS, "+ras", "-ras")
+AARCH64_ARCH_EXT_NAME("sve", AArch64::AEK_SVE, "+sve", "-sve")
+AARCH64_ARCH_EXT_NAME("rcpc", AArch64::AEK_RCPC, "+rcpc", "-rcpc")
+#undef AARCH64_ARCH_EXT_NAME
+
+#ifndef AARCH64_CPU_NAME
+#define AARCH64_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT)
+#endif
+AARCH64_CPU_NAME("cortex-a35", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false,
+ (AArch64::AEK_CRC))
+AARCH64_CPU_NAME("cortex-a53", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, true,
+ (AArch64::AEK_CRC))
+AARCH64_CPU_NAME("cortex-a55", ARMV8_2A, FK_CRYPTO_NEON_FP_ARMV8, false,
+ (AArch64::AEK_FP16 | AArch64::AEK_DOTPROD | AArch64::AEK_RCPC))
+AARCH64_CPU_NAME("cortex-a57", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false,
+ (AArch64::AEK_CRC))
+AARCH64_CPU_NAME("cortex-a72", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false,
+ (AArch64::AEK_CRC))
+AARCH64_CPU_NAME("cortex-a73", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false,
+ (AArch64::AEK_CRC))
+AARCH64_CPU_NAME("cortex-a75", ARMV8_2A, FK_CRYPTO_NEON_FP_ARMV8, false,
+ (AArch64::AEK_FP16 | AArch64::AEK_DOTPROD | AArch64::AEK_RCPC))
+AARCH64_CPU_NAME("cyclone", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false,
+ (AArch64::AEK_NONE))
+AARCH64_CPU_NAME("exynos-m1", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false,
+ (AArch64::AEK_CRC))
+AARCH64_CPU_NAME("exynos-m2", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false,
+ (AArch64::AEK_CRC))
+AARCH64_CPU_NAME("exynos-m3", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false,
+ (AArch64::AEK_CRC))
+AARCH64_CPU_NAME("falkor", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false,
+ (AArch64::AEK_CRC | AArch64::AEK_RDM))
+AARCH64_CPU_NAME("saphira", ARMV8_3A, FK_CRYPTO_NEON_FP_ARMV8, false,
+ (AArch64::AEK_PROFILE))
+AARCH64_CPU_NAME("kryo", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false,
+ (AArch64::AEK_CRC))
+AARCH64_CPU_NAME("thunderx2t99", ARMV8_1A, FK_CRYPTO_NEON_FP_ARMV8, false,
+ (AArch64::AEK_NONE))
+AARCH64_CPU_NAME("thunderx", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false,
+ (AArch64::AEK_CRC | AArch64::AEK_PROFILE))
+AARCH64_CPU_NAME("thunderxt88", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false,
+ (AArch64::AEK_CRC | AArch64::AEK_PROFILE))
+AARCH64_CPU_NAME("thunderxt81", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false,
+ (AArch64::AEK_CRC | AArch64::AEK_PROFILE))
+AARCH64_CPU_NAME("thunderxt83", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false,
+ (AArch64::AEK_CRC | AArch64::AEK_PROFILE))
+// Invalid CPU
+AARCH64_CPU_NAME("invalid", INVALID, FK_INVALID, true, AArch64::AEK_INVALID)
+#undef AARCH64_CPU_NAME