- virtual bool addPreISel(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
- virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
- virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
- virtual bool addPreSched2(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
- virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
- virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
- JITCodeEmitter &MCE);