diff options
| -rw-r--r-- | lib/Transforms/Scalar/DeadStoreElimination.cpp | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/lib/Transforms/Scalar/DeadStoreElimination.cpp b/lib/Transforms/Scalar/DeadStoreElimination.cpp index 9397869..1e3ca86 100644 --- a/lib/Transforms/Scalar/DeadStoreElimination.cpp +++ b/lib/Transforms/Scalar/DeadStoreElimination.cpp @@ -58,11 +58,11 @@ namespace { void DeleteDeadInstructionChains(Instruction *I, SetVector<Instruction*> &DeadInsts); - // Find the base pointer that a pointer came from - // Because this is used to find pointers that originate - // from allocas, it is safe to ignore GEP indices, since - // either the store will be in the alloca, and thus dead, - // or beyond the end of the alloca, and thus undefined. + /// Find the base pointer that a pointer came from + /// Because this is used to find pointers that originate + /// from allocas, it is safe to ignore GEP indices, since + /// either the store will be in the alloca, and thus dead, + /// or beyond the end of the alloca, and thus undefined. void TranslatePointerBitCasts(Value*& v) { assert(isa<PointerType>(v->getType()) && "Translating a non-pointer type?"); @@ -113,10 +113,8 @@ bool DSE::runOnBasicBlock(BasicBlock &BB) { Value* pointer = 0; if (StoreInst* S = dyn_cast<StoreInst>(BBI)) pointer = S->getPointerOperand(); - else if (FreeInst* F = dyn_cast<FreeInst>(BBI)) - pointer = F->getPointerOperand(); - - assert(pointer && "Not a free or a store?"); + else + pointer = cast<FreeInst>(BBI)->getPointerOperand(); StoreInst*& last = lastStore[pointer]; bool deletedStore = false; |