Transforms/Scalar/EarlyCSE.cpp

929   /// LastStore - Keep track of the last non-volatile store that we saw... for
933   Instruction *LastStore = nullptr;
1031       LastStore = nullptr;
1092         LastStore = nullptr;
1147       LastStore = nullptr;
1152     // from memory in the exception handler), forget LastStore.  Load/store
1159       LastStore = nullptr;
1216         // It is okay to have a LastStore to a different pointer here if MemorySSA
1218         // In that case, LastStore should keep its present value since we're
1220         assert((!LastStore ||
1221                 ParseMemoryInst(LastStore, TTI).getPointerOperand() ==
1254         if (LastStore) {
1255           ParseMemoryInst LastStoreMemInst(LastStore, TTI);
1260             LLVM_DEBUG(dbgs() << "EarlyCSE DEAD STORE: " << *LastStore
1265               removeMSSA(LastStore);
1266               LastStore->eraseFromParent();
1269               LastStore = nullptr;
1293           LastStore = Inst;
1295           LastStore = nullptr;