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A few more small cleanups.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40922 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2007-08-08 06:06:02 +00:00
parent a141cfe5b2
commit c182f17aed
1 changed files with 7 additions and 9 deletions
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16
lib/Transforms/Scalar/DeadStoreElimination.cpp
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@ -58,11 +58,11 @@ namespace {
void DeleteDeadInstructionChains(Instruction *I, void DeleteDeadInstructionChains(Instruction *I,
SetVector<Instruction*> &DeadInsts); SetVector<Instruction*> &DeadInsts);
// Find the base pointer that a pointer came from /// Find the base pointer that a pointer came from
// Because this is used to find pointers that originate /// Because this is used to find pointers that originate
// from allocas, it is safe to ignore GEP indices, since /// from allocas, it is safe to ignore GEP indices, since
// either the store will be in the alloca, and thus dead, /// either the store will be in the alloca, and thus dead,
// or beyond the end of the alloca, and thus undefined. /// or beyond the end of the alloca, and thus undefined.
void TranslatePointerBitCasts(Value*& v) { void TranslatePointerBitCasts(Value*& v) {
assert(isa<PointerType>(v->getType()) && assert(isa<PointerType>(v->getType()) &&
"Translating a non-pointer type?"); "Translating a non-pointer type?");
@ -113,10 +113,8 @@ bool DSE::runOnBasicBlock(BasicBlock &BB) {
Value* pointer = 0; Value* pointer = 0;
if (StoreInst* S = dyn_cast<StoreInst>(BBI)) if (StoreInst* S = dyn_cast<StoreInst>(BBI))
pointer = S->getPointerOperand(); pointer = S->getPointerOperand();
else if (FreeInst* F = dyn_cast<FreeInst>(BBI)) else
pointer = F->getPointerOperand(); pointer = cast<FreeInst>(BBI)->getPointerOperand();
assert(pointer && "Not a free or a store?");
StoreInst*& last = lastStore[pointer]; StoreInst*& last = lastStore[pointer];
bool deletedStore = false; bool deletedStore = false;