Index: cfe/trunk/lib/CodeGen/BackendUtil.cpp =================================================================== --- cfe/trunk/lib/CodeGen/BackendUtil.cpp +++ cfe/trunk/lib/CodeGen/BackendUtil.cpp @@ -354,6 +354,14 @@ return; } + // Add target-specific passes that need to run as early as possible. + if (TM) + PMBuilder.addExtension( + PassManagerBuilder::EP_EarlyAsPossible, + [&](const PassManagerBuilder &, legacy::PassManagerBase &PM) { + TM->addEarlyAsPossiblePasses(PM); + }); + PMBuilder.addExtension(PassManagerBuilder::EP_EarlyAsPossible, addAddDiscriminatorsPass);