Frontend: Factor clang::EmitBackendOutput out of CodeGenAction.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105575 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 34 insertions, 0 deletions

diff --git a/include/clang/Frontend/BackendUtil.h b/include/clang/Frontend/BackendUtil.h
new file mode 100644
index 0000000000..f963fa0ede
--- /dev/null
+++ b/include/clang/Frontend/BackendUtil.h
@@ -0,0 +1,34 @@
+//===--- BackendUtil.h - LLVM Backend Utilities -----------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+namespace llvm {
+  class Module;
+  class TargetData;
+  class raw_ostream;
+}
+
+namespace clang {
+  class Diagnostic;
+  class CodeGenOptions;
+  class TargetOptions;
+  
+  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(Diagnostic &Diags, const CodeGenOptions &CGOpts,
+                         const TargetOptions &TOpts,
+                         llvm::Module *M, llvm::TargetData *TD,
+                         BackendAction Action, llvm::raw_ostream *OS);
+}