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Tablegen scheduling models don't reference empty itineraries as of r216919, so don't emit the unused itinerary variables 

llvm-svn: 216993
This commit is contained in:
Pete Cooper 2014-09-02 23:23:34 +00:00
parent 5de2e7cafb
commit c0eb15304e
1 changed files with 5 additions and 4 deletions
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9
llvm/utils/TableGen/SubtargetEmitter.cpp
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@ -575,12 +575,13 @@ EmitItineraries(raw_ostream &OS,
assert(ProcItinListsIter != ProcItinLists.end() && "bad iterator");
std::vector<InstrItinerary> &ItinList = *ProcItinListsIter;
// Empty itineraries aren't referenced anywhere in the tablegen output
// so don't emit them.
if (ItinList.empty())
continue;
OS << "\n";
OS << "static const llvm::InstrItinerary ";
if (ItinList.empty()) {
OS << '*' << Name << " = nullptr;\n";
continue;
}
// Begin processor itinerary table
OS << Name << "[] = {\n";