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TableGen: Display helpfull message for incomplete models. 

llvm-svn: 262399
This commit is contained in:
Matthias Braun 2016-03-01 21:36:12 +00:00
parent f2f5626b84
commit a939bd07d1
1 changed files with 7 additions and 1 deletions
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8
llvm/utils/TableGen/CodeGenSchedule.cpp
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@ -1564,8 +1564,14 @@ void CodeGenSchedModels::checkCompleteness() {
}
HadCompleteModel = true;
}
if (!Complete)
if (!Complete) {
errs() << "\n\nIncomplete schedule models found.\n"
<< "- Consider setting 'CompleteModel = 0' while developing new models.\n"
<< "- Pseudo instructions can be marked with 'hasNoSchedulingInfo = 1'.\n"
<< "- Instructions should usually have Sched<[...]> as a superclass, "
"you may temporarily use an empty list.\n\n";
PrintFatalError("Incomplete schedule model");
}
}
// Collect itinerary class resources for each processor.