/// \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.
-ModulePass *createBitcodeWriterPass(raw_ostream &Str);
+///
+/// If \c ShouldPreserveUseListOrder, encode use-list order so it can be
+/// reproduced when deserialized.
+///
+/// If \c EmitFunctionSummary, emit the function summary index (currently
+/// for use in ThinLTO optimization).
+ModulePass *createBitcodeWriterPass(raw_ostream &Str,
+ bool ShouldPreserveUseListOrder = false,
+ bool EmitFunctionSummary = false);
/// \brief Pass for writing a module of IR out to a bitcode file.
///
/// a pass for the legacy pass manager, use the function above.
class BitcodeWriterPass {
raw_ostream &OS;
+ bool ShouldPreserveUseListOrder;
+ bool EmitFunctionSummary;
public:
/// \brief Construct a bitcode writer pass around a particular output stream.
- explicit BitcodeWriterPass(raw_ostream &OS) : OS(OS) {}
+ ///
+ /// If \c ShouldPreserveUseListOrder, encode use-list order so it can be
+ /// reproduced when deserialized.
+ ///
+ /// If \c EmitFunctionSummary, emit the function summary index (currently
+ /// for use in ThinLTO optimization).
+ explicit BitcodeWriterPass(raw_ostream &OS,
+ bool ShouldPreserveUseListOrder = false,
+ bool EmitFunctionSummary = false)
+ : OS(OS), ShouldPreserveUseListOrder(ShouldPreserveUseListOrder),
+ EmitFunctionSummary(EmitFunctionSummary) {}
/// \brief Run the bitcode writer pass, and output the module to the selected
/// output stream.