/// The alloca instructions being promoted.
std::vector<AllocaInst *> Allocas;
DominatorTree &DT;
- DIBuilder *DIB;
+ DIBuilder DIB;
/// An AliasSetTracker object to update. If null, don't update it.
AliasSetTracker *AST;
public:
PromoteMem2Reg(const std::vector<AllocaInst *> &Allocas, DominatorTree &DT,
AliasSetTracker *AST)
- : Allocas(Allocas), DT(DT), DIB(0), AST(AST) {}
- ~PromoteMem2Reg() { delete DIB; }
+ : Allocas(Allocas), DT(DT), DIB(*DT.getRoot()->getParent()->getParent()),
+ AST(AST) {}
void run();
// Record debuginfo for the store and remove the declaration's
// debuginfo.
if (DbgDeclareInst *DDI = Info.DbgDeclare) {
- if (!DIB)
- DIB = new DIBuilder(*DDI->getParent()->getParent()->getParent());
- ConvertDebugDeclareToDebugValue(DDI, Info.OnlyStore, *DIB);
+ ConvertDebugDeclareToDebugValue(DDI, Info.OnlyStore, DIB);
DDI->eraseFromParent();
}
// Remove the (now dead) store and alloca.
while (!AI->use_empty()) {
StoreInst *SI = cast<StoreInst>(AI->use_back());
// Record debuginfo for the store before removing it.
- if (DbgDeclareInst *DDI = Info.DbgDeclare) {
- if (!DIB)
- DIB = new DIBuilder(*SI->getParent()->getParent()->getParent());
- ConvertDebugDeclareToDebugValue(DDI, SI, *DIB);
- }
+ if (DbgDeclareInst *DDI = Info.DbgDeclare)
+ ConvertDebugDeclareToDebugValue(DDI, SI, DIB);
SI->eraseFromParent();
LBI.deleteValue(SI);
}
// what value were we writing?
IncomingVals[ai->second] = SI->getOperand(0);
// Record debuginfo for the store before removing it.
- if (DbgDeclareInst *DDI = AllocaDbgDeclares[ai->second]) {
- if (!DIB)
- DIB = new DIBuilder(*SI->getParent()->getParent()->getParent());
- ConvertDebugDeclareToDebugValue(DDI, SI, *DIB);
- }
+ if (DbgDeclareInst *DDI = AllocaDbgDeclares[ai->second])
+ ConvertDebugDeclareToDebugValue(DDI, SI, DIB);
BB->getInstList().erase(SI);
}
}