/// getSuccWeight - Return weight of the edge from this block to MBB.
///
uint32_t MachineBasicBlock::getSuccWeight(MachineBasicBlock *succ) {
+ if (Weights.empty())
+ return 0;
+
succ_iterator I = std::find(Successors.begin(), Successors.end(), succ);
return *getWeightIterator(I);
}
/// iterator
MachineBasicBlock::weight_iterator MachineBasicBlock::
getWeightIterator(MachineBasicBlock::succ_iterator I) {
- assert((Weights.size() == Successors.size() || Weights.empty()) &&
- "Async weight list!");
+ assert(Weights.size() == Successors.size() && "Async weight list!");
size_t index = std::distance(Successors.begin(), I);
assert(index < Weights.size() && "Not a current successor!");
return Weights.begin() + index;