BasicBlocks[*FI] = BasicBlockNumbering.size();
BasicBlockNumbering.push_back(*FI);
- BlockLiveness[*FI].Begin.resize(NumSlot);
- BlockLiveness[*FI].End.resize(NumSlot);
+ // Keep a reference to avoid repeated lookups.
+ BlockLifetimeInfo &BlockInfo = BlockLiveness[*FI];
+
+ BlockInfo.Begin.resize(NumSlot);
+ BlockInfo.End.resize(NumSlot);
for (MachineBasicBlock::iterator BI = (*FI)->begin(), BE = (*FI)->end();
BI != BE; ++BI) {
}
if (IsStart) {
- BlockLiveness[*FI].Begin.set(Slot);
+ BlockInfo.Begin.set(Slot);
} else {
- if (BlockLiveness[*FI].Begin.test(Slot)) {
+ if (BlockInfo.Begin.test(Slot)) {
// Allocas that start and end within a single block are handled
// specially when computing the LiveIntervals to avoid pessimizing
// the liveness propagation.
- BlockLiveness[*FI].Begin.reset(Slot);
+ BlockInfo.Begin.reset(Slot);
} else {
- BlockLiveness[*FI].End.set(Slot);
+ BlockInfo.End.set(Slot);
}
}
}