Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/CodeGen/LinkAllCodegenComponents.h b/linux-x64/clang/include/llvm/CodeGen/LinkAllCodegenComponents.h
new file mode 100644
index 0000000..fee131e
--- /dev/null
+++ b/linux-x64/clang/include/llvm/CodeGen/LinkAllCodegenComponents.h
@@ -0,0 +1,59 @@
+//===- llvm/Codegen/LinkAllCodegenComponents.h ------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This header file pulls in all codegen related passes for tools like lli and
+// llc that need this functionality.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_LINKALLCODEGENCOMPONENTS_H
+#define LLVM_CODEGEN_LINKALLCODEGENCOMPONENTS_H
+
+#include "llvm/CodeGen/GCs.h"
+#include "llvm/CodeGen/Passes.h"
+#include "llvm/CodeGen/SchedulerRegistry.h"
+#include "llvm/Target/TargetMachine.h"
+#include <cstdlib>
+
+namespace {
+ struct ForceCodegenLinking {
+ ForceCodegenLinking() {
+ // We must reference the passes in such a way that compilers will not
+ // delete it all as dead code, even with whole program optimization,
+ // yet is effectively a NO-OP. As the compiler isn't smart enough
+ // to know that getenv() never returns -1, this will do the job.
+ if (std::getenv("bar") != (char*) -1)
+ return;
+
+ (void) llvm::createFastRegisterAllocator();
+ (void) llvm::createBasicRegisterAllocator();
+ (void) llvm::createGreedyRegisterAllocator();
+ (void) llvm::createDefaultPBQPRegisterAllocator();
+
+ llvm::linkCoreCLRGC();
+ llvm::linkOcamlGC();
+ llvm::linkErlangGC();
+ llvm::linkShadowStackGC();
+ llvm::linkStatepointExampleGC();
+
+ (void) llvm::createBURRListDAGScheduler(nullptr,
+ llvm::CodeGenOpt::Default);
+ (void) llvm::createSourceListDAGScheduler(nullptr,
+ llvm::CodeGenOpt::Default);
+ (void) llvm::createHybridListDAGScheduler(nullptr,
+ llvm::CodeGenOpt::Default);
+ (void) llvm::createFastDAGScheduler(nullptr, llvm::CodeGenOpt::Default);
+ (void) llvm::createDefaultScheduler(nullptr, llvm::CodeGenOpt::Default);
+ (void) llvm::createVLIWDAGScheduler(nullptr, llvm::CodeGenOpt::Default);
+
+ }
+ } ForceCodegenLinking; // Force link by creating a global definition.
+}
+
+#endif