Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/Bitcode/BitcodeWriterPass.h b/linux-x64/clang/include/llvm/Bitcode/BitcodeWriterPass.h
new file mode 100644
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+++ b/linux-x64/clang/include/llvm/Bitcode/BitcodeWriterPass.h
@@ -0,0 +1,75 @@
+//===-- BitcodeWriterPass.h - Bitcode writing pass --------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+/// \file
+///
+/// This file provides a bitcode writing pass.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_BITCODE_BITCODEWRITERPASS_H
+#define LLVM_BITCODE_BITCODEWRITERPASS_H
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/IR/PassManager.h"
+
+namespace llvm {
+class Module;
+class ModulePass;
+class raw_ostream;
+
+/// \brief Create and return a pass that writes the module to the specified
+/// ostream. Note that this pass is designed for use with the legacy pass
+/// manager.
+///
+/// If \c ShouldPreserveUseListOrder, encode use-list order so it can be
+/// reproduced when deserialized.
+///
+/// If \c EmitSummaryIndex, emit the summary index (currently for use in ThinLTO
+/// optimization).
+///
+/// If \c EmitModuleHash, compute and emit the module hash in the bitcode
+/// (currently for use in ThinLTO incremental build).
+ModulePass *createBitcodeWriterPass(raw_ostream &Str,
+ bool ShouldPreserveUseListOrder = false,
+ bool EmitSummaryIndex = false,
+ bool EmitModuleHash = false);
+
+/// \brief Pass for writing a module of IR out to a bitcode file.
+///
+/// Note that this is intended for use with the new pass manager. To construct
+/// a pass for the legacy pass manager, use the function above.
+class BitcodeWriterPass : public PassInfoMixin<BitcodeWriterPass> {
+ raw_ostream &OS;
+ bool ShouldPreserveUseListOrder;
+ bool EmitSummaryIndex;
+ bool EmitModuleHash;
+
+public:
+ /// \brief Construct a bitcode writer pass around a particular output stream.
+ ///
+ /// If \c ShouldPreserveUseListOrder, encode use-list order so it can be
+ /// reproduced when deserialized.
+ ///
+ /// If \c EmitSummaryIndex, emit the summary index (currently
+ /// for use in ThinLTO optimization).
+ explicit BitcodeWriterPass(raw_ostream &OS,
+ bool ShouldPreserveUseListOrder = false,
+ bool EmitSummaryIndex = false,
+ bool EmitModuleHash = false)
+ : OS(OS), ShouldPreserveUseListOrder(ShouldPreserveUseListOrder),
+ EmitSummaryIndex(EmitSummaryIndex), EmitModuleHash(EmitModuleHash) {}
+
+ /// \brief Run the bitcode writer pass, and output the module to the selected
+ /// output stream.
+ PreservedAnalyses run(Module &M, ModuleAnalysisManager &);
+};
+
+}
+
+#endif