1 files changed, 43 insertions, 0 deletions

diff --git a/include/llvm/CodeGen/ParallelCG.h b/include/llvm/CodeGen/ParallelCG.h
new file mode 100644
index 0000000000000..fa7002fa21fb4
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+++ b/include/llvm/CodeGen/ParallelCG.h
@@ -0,0 +1,43 @@
+//===-- llvm/CodeGen/ParallelCG.h - Parallel code generation ----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This header declares functions that can be used for parallel code generation.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_PARALLELCG_H
+#define LLVM_CODEGEN_PARALLELCG_H
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/Support/CodeGen.h"
+#include "llvm/Target/TargetMachine.h"
+
+namespace llvm {
+
+class Module;
+class TargetOptions;
+class raw_pwrite_stream;
+
+/// Split M into OSs.size() partitions, and generate code for each. Writes
+/// OSs.size() output files to the output streams in OSs. The resulting output
+/// files if linked together are intended to be equivalent to the single output
+/// file that would have been code generated from M.
+///
+/// \returns M if OSs.size() == 1, otherwise returns std::unique_ptr<Module>().
+std::unique_ptr<Module>
+splitCodeGen(std::unique_ptr<Module> M, ArrayRef<raw_pwrite_stream *> OSs,
+             StringRef CPU, StringRef Features, const TargetOptions &Options,
+             Reloc::Model RM = Reloc::Default,
+             CodeModel::Model CM = CodeModel::Default,
+             CodeGenOpt::Level OL = CodeGenOpt::Default,
+             TargetMachine::CodeGenFileType FT = TargetMachine::CGFT_ObjectFile);
+
+} // namespace llvm
+
+#endif