remove useless call in MIRSampleProfile.cpp

[XinWang10]

Summary

This call getSummary returns a value but nobody take
it.

[skan]

llvm/lib/CodeGen/MIRSampleProfile.cpp

277

I'm afraid we can not remove it b/c getSummary may change the internal state of Reader.

[XinWang10]

llvm/lib/CodeGen/MIRSampleProfile.cpp

277

This will just call unique_ptr::get() to return a ptr.

[skan]

LGTM, better wait a few days for other reviewers.

llvm/lib/CodeGen/MIRSampleProfile.cpp

if (std::error_code EC = ReaderOrErr.getError()) {
     std::string Msg = "Could not open profile: " + EC.message();
     Ctx.diagnose(DiagnosticInfoSampleProfile(Filename, Msg));
     return false;
   }
 
   Reader = std::move(ReaderOrErr.get());
   Reader->setModule(&M);
   ProfileIsValid = (Reader->read() == sampleprof_error::success);
-  Reader->getSummary();
 
   return true;
 }
 
 bool MIRProfileLoader::runOnFunction(MachineFunction &MF) {
   Function &Func = MF.getFunction();
   clearFunctionData(false);
   Samples = Reader->getSamplesFor(Func);