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[TableGen] Remove unnecessary map lookup and shadowing of a variable. NFCI 

We already have an OldSCIdx variable in the outer loop here. And we already did the map lookup in the loop that populated ClassInstrs. And the outer OldSCIdx got it from ClassInstrs.

llvm-svn: 328139
This commit is contained in:
Craig Topper 2018-03-21 19:30:33 +00:00
parent 9fbbe5d9ca
commit f2ab05c432
1 changed files with 0 additions and 1 deletions
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llvm/utils/TableGen/CodeGenSchedule.cpp
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@ -805,7 +805,6 @@ void CodeGenSchedModels::createInstRWClass(Record *InstRWDef) {
Record *RWModelDef = InstRWDef->getValueAsDef("SchedModel");
SmallSet<unsigned, 4> RemappedClassIDs;
for (Record *InstDef : InstDefs) {
unsigned OldSCIdx = InstrClassMap[InstDef];
if (OldSCIdx && RemappedClassIDs.insert(OldSCIdx).second) {
for (Record *OldRWDef : SchedClasses[OldSCIdx].InstRWs) {
if (OldRWDef->getValueAsDef("SchedModel") == RWModelDef) {