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path: root/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
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Diffstat (limited to 'lib/Transforms/ObjCARC/ObjCARCOpts.cpp')
-rw-r--r--lib/Transforms/ObjCARC/ObjCARCOpts.cpp83
1 files changed, 26 insertions, 57 deletions
diff --git a/lib/Transforms/ObjCARC/ObjCARCOpts.cpp b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
index dd4dd50..95c6674 100644
--- a/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
+++ b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
@@ -188,7 +188,7 @@ static inline bool AreAnyUnderlyingObjectsAnAlloca(const Value *V) {
if (isa<AllocaInst>(P))
return true;
- if (!Visited.insert(P))
+ if (!Visited.insert(P).second)
continue;
if (const SelectInst *SI = dyn_cast<const SelectInst>(P)) {
@@ -411,10 +411,8 @@ bool RRInfo::Merge(const RRInfo &Other) {
// Merge the insert point sets. If there are any differences,
// that makes this a partial merge.
bool Partial = ReverseInsertPts.size() != Other.ReverseInsertPts.size();
- for (SmallPtrSet<Instruction *, 2>::const_iterator
- I = Other.ReverseInsertPts.begin(),
- E = Other.ReverseInsertPts.end(); I != E; ++I)
- Partial |= ReverseInsertPts.insert(*I);
+ for (Instruction *Inst : Other.ReverseInsertPts)
+ Partial |= ReverseInsertPts.insert(Inst).second;
return Partial;
}
@@ -887,8 +885,7 @@ static void AppendMDNodeToInstForPtr(unsigned NodeId,
OldSeq),
SequenceToMDString(Inst->getContext(),
NewSeq)};
- Node = MDNode::get(Inst->getContext(),
- ArrayRef<Value*>(tmp, 3));
+ Node = MDNode::get(Inst->getContext(), tmp);
Inst->setMetadata(NodeId, Node);
}
@@ -908,8 +905,7 @@ static void GenerateARCBBEntranceAnnotation(const char *Name, BasicBlock *BB,
Type *I8X = PointerType::getUnqual(Type::getInt8Ty(C));
Type *I8XX = PointerType::getUnqual(I8X);
Type *Params[] = {I8XX, I8XX};
- FunctionType *FTy = FunctionType::get(Type::getVoidTy(C),
- ArrayRef<Type*>(Params, 2),
+ FunctionType *FTy = FunctionType::get(Type::getVoidTy(C), Params,
/*isVarArg=*/false);
Constant *Callee = M->getOrInsertFunction(Name, FTy);
@@ -951,8 +947,7 @@ static void GenerateARCBBTerminatorAnnotation(const char *Name, BasicBlock *BB,
Type *I8X = PointerType::getUnqual(Type::getInt8Ty(C));
Type *I8XX = PointerType::getUnqual(I8X);
Type *Params[] = {I8XX, I8XX};
- FunctionType *FTy = FunctionType::get(Type::getVoidTy(C),
- ArrayRef<Type*>(Params, 2),
+ FunctionType *FTy = FunctionType::get(Type::getVoidTy(C), Params,
/*isVarArg=*/false);
Constant *Callee = M->getOrInsertFunction(Name, FTy);
@@ -2199,7 +2194,7 @@ ComputePostOrders(Function &F,
while (SuccStack.back().second != SE) {
BasicBlock *SuccBB = *SuccStack.back().second++;
- if (Visited.insert(SuccBB)) {
+ if (Visited.insert(SuccBB).second) {
TerminatorInst *TI = cast<TerminatorInst>(&SuccBB->back());
SuccStack.push_back(std::make_pair(SuccBB, succ_iterator(TI)));
BBStates[CurrBB].addSucc(SuccBB);
@@ -2240,7 +2235,7 @@ ComputePostOrders(Function &F,
BBState::edge_iterator PE = BBStates[PredStack.back().first].pred_end();
while (PredStack.back().second != PE) {
BasicBlock *BB = *PredStack.back().second++;
- if (Visited.insert(BB)) {
+ if (Visited.insert(BB).second) {
PredStack.push_back(std::make_pair(BB, BBStates[BB].pred_begin()));
goto reverse_dfs_next_succ;
}
@@ -2299,10 +2294,7 @@ void ObjCARCOpt::MoveCalls(Value *Arg,
DEBUG(dbgs() << "== ObjCARCOpt::MoveCalls ==\n");
// Insert the new retain and release calls.
- for (SmallPtrSet<Instruction *, 2>::const_iterator
- PI = ReleasesToMove.ReverseInsertPts.begin(),
- PE = ReleasesToMove.ReverseInsertPts.end(); PI != PE; ++PI) {
- Instruction *InsertPt = *PI;
+ for (Instruction *InsertPt : ReleasesToMove.ReverseInsertPts) {
Value *MyArg = ArgTy == ParamTy ? Arg :
new BitCastInst(Arg, ParamTy, "", InsertPt);
Constant *Decl = EP.get(ARCRuntimeEntryPoints::EPT_Retain);
@@ -2313,10 +2305,7 @@ void ObjCARCOpt::MoveCalls(Value *Arg,
DEBUG(dbgs() << "Inserting new Retain: " << *Call << "\n"
"At insertion point: " << *InsertPt << "\n");
}
- for (SmallPtrSet<Instruction *, 2>::const_iterator
- PI = RetainsToMove.ReverseInsertPts.begin(),
- PE = RetainsToMove.ReverseInsertPts.end(); PI != PE; ++PI) {
- Instruction *InsertPt = *PI;
+ for (Instruction *InsertPt : RetainsToMove.ReverseInsertPts) {
Value *MyArg = ArgTy == ParamTy ? Arg :
new BitCastInst(Arg, ParamTy, "", InsertPt);
Constant *Decl = EP.get(ARCRuntimeEntryPoints::EPT_Release);
@@ -2333,18 +2322,12 @@ void ObjCARCOpt::MoveCalls(Value *Arg,
}
// Delete the original retain and release calls.
- for (SmallPtrSet<Instruction *, 2>::const_iterator
- AI = RetainsToMove.Calls.begin(),
- AE = RetainsToMove.Calls.end(); AI != AE; ++AI) {
- Instruction *OrigRetain = *AI;
+ for (Instruction *OrigRetain : RetainsToMove.Calls) {
Retains.blot(OrigRetain);
DeadInsts.push_back(OrigRetain);
DEBUG(dbgs() << "Deleting retain: " << *OrigRetain << "\n");
}
- for (SmallPtrSet<Instruction *, 2>::const_iterator
- AI = ReleasesToMove.Calls.begin(),
- AE = ReleasesToMove.Calls.end(); AI != AE; ++AI) {
- Instruction *OrigRelease = *AI;
+ for (Instruction *OrigRelease : ReleasesToMove.Calls) {
Releases.erase(OrigRelease);
DeadInsts.push_back(OrigRelease);
DEBUG(dbgs() << "Deleting release: " << *OrigRelease << "\n");
@@ -2392,10 +2375,7 @@ ObjCARCOpt::ConnectTDBUTraversals(DenseMap<const BasicBlock *, BBState>
KnownSafeTD &= NewRetainRRI.KnownSafe;
MultipleOwners =
MultipleOwners || MultiOwnersSet.count(GetObjCArg(NewRetain));
- for (SmallPtrSet<Instruction *, 2>::const_iterator
- LI = NewRetainRRI.Calls.begin(),
- LE = NewRetainRRI.Calls.end(); LI != LE; ++LI) {
- Instruction *NewRetainRelease = *LI;
+ for (Instruction *NewRetainRelease : NewRetainRRI.Calls) {
DenseMap<Value *, RRInfo>::const_iterator Jt =
Releases.find(NewRetainRelease);
if (Jt == Releases.end())
@@ -2410,7 +2390,7 @@ ObjCARCOpt::ConnectTDBUTraversals(DenseMap<const BasicBlock *, BBState>
if (!NewRetainReleaseRRI.Calls.count(NewRetain))
return false;
- if (ReleasesToMove.Calls.insert(NewRetainRelease)) {
+ if (ReleasesToMove.Calls.insert(NewRetainRelease).second) {
// If we overflow when we compute the path count, don't remove/move
// anything.
@@ -2441,12 +2421,8 @@ ObjCARCOpt::ConnectTDBUTraversals(DenseMap<const BasicBlock *, BBState>
// Collect the optimal insertion points.
if (!KnownSafe)
- for (SmallPtrSet<Instruction *, 2>::const_iterator
- RI = NewRetainReleaseRRI.ReverseInsertPts.begin(),
- RE = NewRetainReleaseRRI.ReverseInsertPts.end();
- RI != RE; ++RI) {
- Instruction *RIP = *RI;
- if (ReleasesToMove.ReverseInsertPts.insert(RIP)) {
+ for (Instruction *RIP : NewRetainReleaseRRI.ReverseInsertPts) {
+ if (ReleasesToMove.ReverseInsertPts.insert(RIP).second) {
// If we overflow when we compute the path count, don't
// remove/move anything.
const BBState &RIPBBState = BBStates[RIP->getParent()];
@@ -2476,10 +2452,7 @@ ObjCARCOpt::ConnectTDBUTraversals(DenseMap<const BasicBlock *, BBState>
const RRInfo &NewReleaseRRI = It->second;
KnownSafeBU &= NewReleaseRRI.KnownSafe;
CFGHazardAfflicted |= NewReleaseRRI.CFGHazardAfflicted;
- for (SmallPtrSet<Instruction *, 2>::const_iterator
- LI = NewReleaseRRI.Calls.begin(),
- LE = NewReleaseRRI.Calls.end(); LI != LE; ++LI) {
- Instruction *NewReleaseRetain = *LI;
+ for (Instruction *NewReleaseRetain : NewReleaseRRI.Calls) {
MapVector<Value *, RRInfo>::const_iterator Jt =
Retains.find(NewReleaseRetain);
if (Jt == Retains.end())
@@ -2494,7 +2467,7 @@ ObjCARCOpt::ConnectTDBUTraversals(DenseMap<const BasicBlock *, BBState>
if (!NewReleaseRetainRRI.Calls.count(NewRelease))
return false;
- if (RetainsToMove.Calls.insert(NewReleaseRetain)) {
+ if (RetainsToMove.Calls.insert(NewReleaseRetain).second) {
// If we overflow when we compute the path count, don't remove/move
// anything.
const BBState &NRRBBState = BBStates[NewReleaseRetain->getParent()];
@@ -2509,12 +2482,8 @@ ObjCARCOpt::ConnectTDBUTraversals(DenseMap<const BasicBlock *, BBState>
// Collect the optimal insertion points.
if (!KnownSafe)
- for (SmallPtrSet<Instruction *, 2>::const_iterator
- RI = NewReleaseRetainRRI.ReverseInsertPts.begin(),
- RE = NewReleaseRetainRRI.ReverseInsertPts.end();
- RI != RE; ++RI) {
- Instruction *RIP = *RI;
- if (RetainsToMove.ReverseInsertPts.insert(RIP)) {
+ for (Instruction *RIP : NewReleaseRetainRRI.ReverseInsertPts) {
+ if (RetainsToMove.ReverseInsertPts.insert(RIP).second) {
// If we overflow when we compute the path count, don't
// remove/move anything.
const BBState &RIPBBState = BBStates[RIP->getParent()];
@@ -2850,8 +2819,8 @@ bool ObjCARCOpt::OptimizeSequences(Function &F) {
/// shared pointer argument. Note that Retain need not be in BB.
static bool
HasSafePathToPredecessorCall(const Value *Arg, Instruction *Retain,
- SmallPtrSet<Instruction *, 4> &DepInsts,
- SmallPtrSet<const BasicBlock *, 4> &Visited,
+ SmallPtrSetImpl<Instruction *> &DepInsts,
+ SmallPtrSetImpl<const BasicBlock *> &Visited,
ProvenanceAnalysis &PA) {
FindDependencies(CanChangeRetainCount, Arg, Retain->getParent(), Retain,
DepInsts, Visited, PA);
@@ -2879,8 +2848,8 @@ HasSafePathToPredecessorCall(const Value *Arg, Instruction *Retain,
static CallInst *
FindPredecessorRetainWithSafePath(const Value *Arg, BasicBlock *BB,
Instruction *Autorelease,
- SmallPtrSet<Instruction *, 4> &DepInsts,
- SmallPtrSet<const BasicBlock *, 4> &Visited,
+ SmallPtrSetImpl<Instruction *> &DepInsts,
+ SmallPtrSetImpl<const BasicBlock *> &Visited,
ProvenanceAnalysis &PA) {
FindDependencies(CanChangeRetainCount, Arg,
BB, Autorelease, DepInsts, Visited, PA);
@@ -2906,8 +2875,8 @@ FindPredecessorRetainWithSafePath(const Value *Arg, BasicBlock *BB,
static CallInst *
FindPredecessorAutoreleaseWithSafePath(const Value *Arg, BasicBlock *BB,
ReturnInst *Ret,
- SmallPtrSet<Instruction *, 4> &DepInsts,
- SmallPtrSet<const BasicBlock *, 4> &V,
+ SmallPtrSetImpl<Instruction *> &DepInsts,
+ SmallPtrSetImpl<const BasicBlock *> &V,
ProvenanceAnalysis &PA) {
FindDependencies(NeedsPositiveRetainCount, Arg,
BB, Ret, DepInsts, V, PA);
generated by cgit v1.1 at 2024-05-21 01:16:49 +0000