Index: llvm/include/llvm/module.modulemap
===================================================================
--- llvm/include/llvm/module.modulemap
+++ llvm/include/llvm/module.modulemap
@@ -334,6 +334,7 @@
 // Used by llvm-tblgen
 module LLVM_MC_TableGen {
   requires cplusplus
+  module MC_DecoderOps{ header "MC/MCDecoderOps.h" export * }
   module MC_LaneBitmask { header "MC/LaneBitmask.h" export * }
   module MC_InstrItineraries { header "MC/MCInstrItineraries.h" export * }
   module MC_Schedule { header "MC/MCSchedule.h" export * }