Merge "Update prebuilt Clang to r353983." into p9.0HEADp9.0-backupp9.0

1 files changed, 55 insertions, 0 deletions

diff --git a/clang-r353983/include/clang/CodeGen/BackendUtil.h b/clang-r353983/include/clang/CodeGen/BackendUtil.h
new file mode 100644
index 00000000..01b1f5bb
--- /dev/null
+++ b/clang-r353983/include/clang/CodeGen/BackendUtil.h
@@ -0,0 +1,55 @@
+//===--- BackendUtil.h - LLVM Backend Utilities -----------------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_CODEGEN_BACKENDUTIL_H
+#define LLVM_CLANG_CODEGEN_BACKENDUTIL_H
+
+#include "clang/Basic/LLVM.h"
+#include "llvm/IR/ModuleSummaryIndex.h"
+#include <memory>
+
+namespace llvm {
+  class BitcodeModule;
+  template <typename T> class Expected;
+  class Module;
+  class MemoryBufferRef;
+}
+
+namespace clang {
+  class DiagnosticsEngine;
+  class HeaderSearchOptions;
+  class CodeGenOptions;
+  class TargetOptions;
+  class LangOptions;
+
+  enum BackendAction {
+    Backend_EmitAssembly,  ///< Emit native assembly files
+    Backend_EmitBC,        ///< Emit LLVM bitcode files
+    Backend_EmitLL,        ///< Emit human-readable LLVM assembly
+    Backend_EmitNothing,   ///< Don't emit anything (benchmarking mode)
+    Backend_EmitMCNull,    ///< Run CodeGen, but don't emit anything
+    Backend_EmitObj        ///< Emit native object files
+  };
+
+  void EmitBackendOutput(DiagnosticsEngine &Diags, const HeaderSearchOptions &,
+                         const CodeGenOptions &CGOpts,
+                         const TargetOptions &TOpts, const LangOptions &LOpts,
+                         const llvm::DataLayout &TDesc, llvm::Module *M,
+                         BackendAction Action,
+                         std::unique_ptr<raw_pwrite_stream> OS);
+
+  void EmbedBitcode(llvm::Module *M, const CodeGenOptions &CGOpts,
+                    llvm::MemoryBufferRef Buf);
+
+  llvm::Expected<llvm::BitcodeModule>
+  FindThinLTOModule(llvm::MemoryBufferRef MBRef);
+  llvm::BitcodeModule *
+  FindThinLTOModule(llvm::MutableArrayRef<llvm::BitcodeModule> BMs);
+}
+
+#endif