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[TableGen] Use llvm::transform to simplify some loops. NFCI 

llvm-svn: 328032
This commit is contained in:
Craig Topper 2018-03-20 20:24:12 +00:00
parent b5ed275025
commit 1970e95575
1 changed files with 12 additions and 18 deletions
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30
llvm/utils/TableGen/CodeGenSchedule.cpp
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@ -1371,21 +1371,15 @@ static void inferFromTransitions(ArrayRef<PredTransition> LastTransitions,
for (ArrayRef<PredTransition>::iterator
I = LastTransitions.begin(), E = LastTransitions.end(); I != E; ++I) {
IdxVec OperWritesVariant;
for (SmallVectorImpl<SmallVector<unsigned,4>>::const_iterator
WSI = I->WriteSequences.begin(), WSE = I->WriteSequences.end();
WSI != WSE; ++WSI) {
// Create a new write representing the expanded sequence.
OperWritesVariant.push_back(
SchedModels.findOrInsertRW(*WSI, /*IsRead=*/false));
}
transform(I->WriteSequences, std::back_inserter(OperWritesVariant),
[&SchedModels](ArrayRef<unsigned> WS) {
return SchedModels.findOrInsertRW(WS, /*IsRead=*/false);
});
IdxVec OperReadsVariant;
for (SmallVectorImpl<SmallVector<unsigned,4>>::const_iterator
RSI = I->ReadSequences.begin(), RSE = I->ReadSequences.end();
RSI != RSE; ++RSI) {
// Create a new read representing the expanded sequence.
OperReadsVariant.push_back(
SchedModels.findOrInsertRW(*RSI, /*IsRead=*/true));
}
transform(I->ReadSequences, std::back_inserter(OperReadsVariant),
[&SchedModels](ArrayRef<unsigned> RS) {
return SchedModels.findOrInsertRW(RS, /*IsRead=*/true);
});
IdxVec ProcIndices(I->ProcIndices.begin(), I->ProcIndices.end());
CodeGenSchedTransition SCTrans;
SCTrans.ToClassIdx =
@ -1394,10 +1388,10 @@ static void inferFromTransitions(ArrayRef<PredTransition> LastTransitions,
SCTrans.ProcIndices = ProcIndices;
// The final PredTerm is unique set of predicates guarding the transition.
RecVec Preds;
for (SmallVectorImpl<PredCheck>::const_iterator
PI = I->PredTerm.begin(), PE = I->PredTerm.end(); PI != PE; ++PI) {
Preds.push_back(PI->Predicate);
}
transform(I->PredTerm, std::back_inserter(Preds),
[](const PredCheck &P) {
return P.Predicate;
});
Preds.erase(std::unique(Preds.begin(), Preds.end()), Preds.end());
SCTrans.PredTerm = Preds;
SchedModels.getSchedClass(FromClassIdx).Transitions.push_back(SCTrans);