Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/Config/AsmParsers.def b/linux-x64/clang/include/llvm/Config/AsmParsers.def
new file mode 100644
index 0000000..931883b
--- /dev/null
+++ b/linux-x64/clang/include/llvm/Config/AsmParsers.def
@@ -0,0 +1,33 @@
+/*===- llvm/Config/AsmParsers.def - LLVM Assembly Parsers -------*- C++ -*-===*\
+|* *|
+|* The LLVM Compiler Infrastructure *|
+|* *|
+|* This file is distributed under the University of Illinois Open Source *|
+|* License. See LICENSE.TXT for details. *|
+|* *|
+|*===----------------------------------------------------------------------===*|
+|* *|
+|* This file enumerates all of the assembly-language parsers *|
+|* supported by this build of LLVM. Clients of this file should define *|
+|* the LLVM_ASM_PARSER macro to be a function-like macro with a *|
+|* single parameter (the name of the target whose assembly can be *|
+|* generated); including this file will then enumerate all of the *|
+|* targets with assembly parsers. *|
+|* *|
+|* The set of targets supported by LLVM is generated at configuration *|
+|* time, at which point this header is generated. Do not modify this *|
+|* header directly. *|
+|* *|
+\*===----------------------------------------------------------------------===*/
+
+#ifndef LLVM_ASM_PARSER
+# error Please define the macro LLVM_ASM_PARSER(TargetName)
+#endif
+
+LLVM_ASM_PARSER(AArch64)
+LLVM_ASM_PARSER(ARM)
+LLVM_ASM_PARSER(BPF)
+LLVM_ASM_PARSER(X86)
+
+
+#undef LLVM_ASM_PARSER
diff --git a/linux-x64/clang/include/llvm/Config/AsmPrinters.def b/linux-x64/clang/include/llvm/Config/AsmPrinters.def
new file mode 100644
index 0000000..e01fe2b
--- /dev/null
+++ b/linux-x64/clang/include/llvm/Config/AsmPrinters.def
@@ -0,0 +1,33 @@
+/*===- llvm/Config/AsmPrinters.def - LLVM Assembly Printers -----*- C++ -*-===*\
+|* *|
+|* The LLVM Compiler Infrastructure *|
+|* *|
+|* This file is distributed under the University of Illinois Open Source *|
+|* License. See LICENSE.TXT for details. *|
+|* *|
+|*===----------------------------------------------------------------------===*|
+|* *|
+|* This file enumerates all of the assembly-language printers *|
+|* supported by this build of LLVM. Clients of this file should define *|
+|* the LLVM_ASM_PRINTER macro to be a function-like macro with a *|
+|* single parameter (the name of the target whose assembly can be *|
+|* generated); including this file will then enumerate all of the *|
+|* targets with assembly printers. *|
+|* *|
+|* The set of targets supported by LLVM is generated at configuration *|
+|* time, at which point this header is generated. Do not modify this *|
+|* header directly. *|
+|* *|
+\*===----------------------------------------------------------------------===*/
+
+#ifndef LLVM_ASM_PRINTER
+# error Please define the macro LLVM_ASM_PRINTER(TargetName)
+#endif
+
+LLVM_ASM_PRINTER(AArch64)
+LLVM_ASM_PRINTER(ARM)
+LLVM_ASM_PRINTER(BPF)
+LLVM_ASM_PRINTER(X86)
+
+
+#undef LLVM_ASM_PRINTER
diff --git a/linux-x64/clang/include/llvm/Config/Disassemblers.def b/linux-x64/clang/include/llvm/Config/Disassemblers.def
new file mode 100644
index 0000000..21f4b0c
--- /dev/null
+++ b/linux-x64/clang/include/llvm/Config/Disassemblers.def
@@ -0,0 +1,33 @@
+/*===- llvm/Config/Disassemblers.def - LLVM Assembly Parsers ----*- C++ -*-===*\
+|* *|
+|* The LLVM Compiler Infrastructure *|
+|* *|
+|* This file is distributed under the University of Illinois Open Source *|
+|* License. See LICENSE.TXT for details. *|
+|* *|
+|*===----------------------------------------------------------------------===*|
+|* *|
+|* This file enumerates all of the assembly-language parsers *|
+|* supported by this build of LLVM. Clients of this file should define *|
+|* the LLVM_DISASSEMBLER macro to be a function-like macro with a *|
+|* single parameter (the name of the target whose assembly can be *|
+|* generated); including this file will then enumerate all of the *|
+|* targets with assembly parsers. *|
+|* *|
+|* The set of targets supported by LLVM is generated at configuration *|
+|* time, at which point this header is generated. Do not modify this *|
+|* header directly. *|
+|* *|
+\*===----------------------------------------------------------------------===*/
+
+#ifndef LLVM_DISASSEMBLER
+# error Please define the macro LLVM_DISASSEMBLER(TargetName)
+#endif
+
+LLVM_DISASSEMBLER(AArch64)
+LLVM_DISASSEMBLER(ARM)
+LLVM_DISASSEMBLER(BPF)
+LLVM_DISASSEMBLER(X86)
+
+
+#undef LLVM_DISASSEMBLER
diff --git a/linux-x64/clang/include/llvm/Config/Targets.def b/linux-x64/clang/include/llvm/Config/Targets.def
new file mode 100644
index 0000000..02725f3
--- /dev/null
+++ b/linux-x64/clang/include/llvm/Config/Targets.def
@@ -0,0 +1,32 @@
+/*===- llvm/Config/Targets.def - LLVM Target Architectures ------*- C++ -*-===*\
+|* *|
+|* The LLVM Compiler Infrastructure *|
+|* *|
+|* This file is distributed under the University of Illinois Open Source *|
+|* License. See LICENSE.TXT for details. *|
+|* *|
+|*===----------------------------------------------------------------------===*|
+|* *|
+|* This file enumerates all of the target architectures supported by *|
+|* this build of LLVM. Clients of this file should define the *|
+|* LLVM_TARGET macro to be a function-like macro with a single *|
+|* parameter (the name of the target); including this file will then *|
+|* enumerate all of the targets. *|
+|* *|
+|* The set of targets supported by LLVM is generated at configuration *|
+|* time, at which point this header is generated. Do not modify this *|
+|* header directly. *|
+|* *|
+\*===----------------------------------------------------------------------===*/
+
+#ifndef LLVM_TARGET
+# error Please define the macro LLVM_TARGET(TargetName)
+#endif
+
+LLVM_TARGET(AArch64)
+LLVM_TARGET(ARM)
+LLVM_TARGET(BPF)
+LLVM_TARGET(X86)
+
+
+#undef LLVM_TARGET
diff --git a/linux-x64/clang/include/llvm/Config/abi-breaking.h b/linux-x64/clang/include/llvm/Config/abi-breaking.h
new file mode 100644
index 0000000..d7f82e1
--- /dev/null
+++ b/linux-x64/clang/include/llvm/Config/abi-breaking.h
@@ -0,0 +1,50 @@
+/*===------- llvm/Config/abi-breaking.h - llvm configuration -------*- C -*-===*/
+/* */
+/* The LLVM Compiler Infrastructure */
+/* */
+/* This file is distributed under the University of Illinois Open Source */
+/* License. See LICENSE.TXT for details. */
+/* */
+/*===----------------------------------------------------------------------===*/
+
+/* This file controls the C++ ABI break introduced in LLVM public header. */
+
+#ifndef LLVM_ABI_BREAKING_CHECKS_H
+#define LLVM_ABI_BREAKING_CHECKS_H
+
+/* Define to enable checks that alter the LLVM C++ ABI */
+#define LLVM_ENABLE_ABI_BREAKING_CHECKS 0
+
+/* Define to enable reverse iteration of unordered llvm containers */
+#define LLVM_ENABLE_REVERSE_ITERATION 0
+
+/* Allow selectively disabling link-time mismatch checking so that header-only
+ ADT content from LLVM can be used without linking libSupport. */
+#if !LLVM_DISABLE_ABI_BREAKING_CHECKS_ENFORCING
+
+// ABI_BREAKING_CHECKS protection: provides link-time failure when clients build
+// mismatch with LLVM
+#if defined(_MSC_VER)
+// Use pragma with MSVC
+#define LLVM_XSTR(s) LLVM_STR(s)
+#define LLVM_STR(s) #s
+#pragma detect_mismatch("LLVM_ENABLE_ABI_BREAKING_CHECKS", LLVM_XSTR(LLVM_ENABLE_ABI_BREAKING_CHECKS))
+#undef LLVM_XSTR
+#undef LLVM_STR
+#elif defined(_WIN32) || defined(__CYGWIN__) // Win32 w/o #pragma detect_mismatch
+// FIXME: Implement checks without weak.
+#elif defined(__cplusplus)
+namespace llvm {
+#if LLVM_ENABLE_ABI_BREAKING_CHECKS
+extern int EnableABIBreakingChecks;
+__attribute__((weak, visibility ("hidden"))) int *VerifyEnableABIBreakingChecks = &EnableABIBreakingChecks;
+#else
+extern int DisableABIBreakingChecks;
+__attribute__((weak, visibility ("hidden"))) int *VerifyDisableABIBreakingChecks = &DisableABIBreakingChecks;
+#endif
+}
+#endif // _MSC_VER
+
+#endif // LLVM_DISABLE_ABI_BREAKING_CHECKS_ENFORCING
+
+#endif
diff --git a/linux-x64/clang/include/llvm/Config/llvm-config.h b/linux-x64/clang/include/llvm/Config/llvm-config.h
new file mode 100644
index 0000000..07fa1c8
--- /dev/null
+++ b/linux-x64/clang/include/llvm/Config/llvm-config.h
@@ -0,0 +1,85 @@
+/*===------- llvm/Config/llvm-config.h - llvm configuration -------*- C -*-===*/
+/* */
+/* The LLVM Compiler Infrastructure */
+/* */
+/* This file is distributed under the University of Illinois Open Source */
+/* License. See LICENSE.TXT for details. */
+/* */
+/*===----------------------------------------------------------------------===*/
+
+/* This file enumerates variables from the LLVM configuration so that they
+ can be in exported headers and won't override package specific directives.
+ This is a C header that can be included in the llvm-c headers. */
+
+#ifndef LLVM_CONFIG_H
+#define LLVM_CONFIG_H
+
+/* Define if LLVM_ENABLE_DUMP is enabled */
+/* #undef LLVM_ENABLE_DUMP */
+
+/* Define if we link Polly to the tools */
+/* #undef LINK_POLLY_INTO_TOOLS */
+
+/* Target triple LLVM will generate code for by default */
+#define LLVM_DEFAULT_TARGET_TRIPLE "x86_64-unknown-linux-gnu"
+
+/* Define if threads enabled */
+#define LLVM_ENABLE_THREADS 1
+
+/* Has gcc/MSVC atomic intrinsics */
+#define LLVM_HAS_ATOMICS 1
+
+/* Host triple LLVM will be executed on */
+#define LLVM_HOST_TRIPLE "x86_64-unknown-linux-gnu"
+
+/* LLVM architecture name for the native architecture, if available */
+#define LLVM_NATIVE_ARCH X86
+
+/* LLVM name for the native AsmParser init function, if available */
+#define LLVM_NATIVE_ASMPARSER LLVMInitializeX86AsmParser
+
+/* LLVM name for the native AsmPrinter init function, if available */
+#define LLVM_NATIVE_ASMPRINTER LLVMInitializeX86AsmPrinter
+
+/* LLVM name for the native Disassembler init function, if available */
+#define LLVM_NATIVE_DISASSEMBLER LLVMInitializeX86Disassembler
+
+/* LLVM name for the native Target init function, if available */
+#define LLVM_NATIVE_TARGET LLVMInitializeX86Target
+
+/* LLVM name for the native TargetInfo init function, if available */
+#define LLVM_NATIVE_TARGETINFO LLVMInitializeX86TargetInfo
+
+/* LLVM name for the native target MC init function, if available */
+#define LLVM_NATIVE_TARGETMC LLVMInitializeX86TargetMC
+
+/* Define if this is Unixish platform */
+#define LLVM_ON_UNIX 1
+
+/* Define if this is Win32ish platform */
+/* #undef LLVM_ON_WIN32 */
+
+/* Define if we have the Intel JIT API runtime support library */
+#define LLVM_USE_INTEL_JITEVENTS 0
+
+/* Define if we have the oprofile JIT-support library */
+#define LLVM_USE_OPROFILE 0
+
+/* Major version of the LLVM API */
+#define LLVM_VERSION_MAJOR 7
+
+/* Minor version of the LLVM API */
+#define LLVM_VERSION_MINOR 0
+
+/* Patch version of the LLVM API */
+#define LLVM_VERSION_PATCH 2
+
+/* LLVM version string */
+#define LLVM_VERSION_STRING "7.0.2svn"
+
+/* Whether LLVM records statistics for use with GetStatistics(),
+ * PrintStatistics() or PrintStatisticsJSON()
+ */
+#define LLVM_FORCE_ENABLE_STATS 0
+
+#endif