// Check direct interferences.
LiveIntervalUnion::Query &Q = query(VirtReg, PhysReg);
if (Q.checkInterference()) {
+ Q.collectInterferingVRegs(1);
if (!Q.seenAllInterferences())
return 0;
- Q.collectInterferingVRegs(1);
Interference = Q.interferingVRegs().front();
}
for (const unsigned *AliasI = TRI->getAliasSet(PhysReg); *AliasI; ++AliasI) {
LiveIntervalUnion::Query &Q = query(VirtReg, *AliasI);
if (Q.checkInterference()) {
- if (Interference || !Q.seenAllInterferences())
+ if (Interference)
return 0;
Q.collectInterferingVRegs(1);
+ if (!Q.seenAllInterferences())
+ return 0;
Interference = Q.interferingVRegs().front();
}
}