//
void GCSE::ReplaceInstWithInst(Instruction *First, BasicBlock::iterator SI) {
Instruction *Second = *SI;
+
+ //cerr << "DEL " << (void*)Second << Second;
// Add the first instruction back to the worklist
WorkList.insert(First);
//
void GCSE::CommonSubExpressionFound(Instruction *I, Instruction *Other) {
// I has already been removed from the worklist, Other needs to be.
- assert(WorkList.count(I) == 0 && WorkList.count(Other) &&
- "I in worklist or Other not!");
- WorkList.erase(Other);
+ assert(I != Other && WorkList.count(I) == 0 && "I shouldn't be on worklist!");
+
+ WorkList.erase(Other); // Other may not actually be on the worklist anymore...
// Handle the easy case, where both instructions are in the same basic block
BasicBlock *BB1 = I->getParent(), *BB2 = Other->getParent();