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-rw-r--r--llvm/lib/Transforms/ObjCARC/DependencyAnalysis.cpp4
-rw-r--r--llvm/lib/Transforms/ObjCARC/ObjCARCContract.cpp5
-rw-r--r--llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp48
3 files changed, 13 insertions, 44 deletions
diff --git a/llvm/lib/Transforms/ObjCARC/DependencyAnalysis.cpp b/llvm/lib/Transforms/ObjCARC/DependencyAnalysis.cpp
index 4cede4f0f64..542909865af 100644
--- a/llvm/lib/Transforms/ObjCARC/DependencyAnalysis.cpp
+++ b/llvm/lib/Transforms/ObjCARC/DependencyAnalysis.cpp
@@ -246,9 +246,7 @@ llvm::objcarc::FindDependencies(DependenceKind Flavor,
// Determine whether the original StartBB post-dominates all of the blocks we
// visited. If not, insert a sentinal indicating that most optimizations are
// not safe.
- for (SmallPtrSet<const BasicBlock *, 4>::const_iterator I = Visited.begin(),
- E = Visited.end(); I != E; ++I) {
- const BasicBlock *BB = *I;
+ for (const BasicBlock *BB : Visited) {
if (BB == StartBB)
continue;
const TerminatorInst *TI = cast<TerminatorInst>(&BB->back());
diff --git a/llvm/lib/Transforms/ObjCARC/ObjCARCContract.cpp b/llvm/lib/Transforms/ObjCARC/ObjCARCContract.cpp
index fa932500c1e..eb325eb9417 100644
--- a/llvm/lib/Transforms/ObjCARC/ObjCARCContract.cpp
+++ b/llvm/lib/Transforms/ObjCARC/ObjCARCContract.cpp
@@ -508,9 +508,8 @@ bool ObjCARCContract::runOnFunction(Function &F) {
// If this function has no escaping allocas or suspicious vararg usage,
// objc_storeStrong calls can be marked with the "tail" keyword.
if (TailOkForStoreStrongs)
- for (SmallPtrSet<CallInst *, 8>::iterator I = StoreStrongCalls.begin(),
- E = StoreStrongCalls.end(); I != E; ++I)
- (*I)->setTailCall();
+ for (CallInst *CI : StoreStrongCalls)
+ CI->setTailCall();
StoreStrongCalls.clear();
return Changed;
diff --git a/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp b/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
index af16d5dd21e..2ce7dfd86f6 100644
--- a/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
+++ b/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
@@ -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);
return Partial;
}
@@ -2299,10 +2297,7 @@ 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 +2308,7 @@ 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 +2325,12 @@ 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 +2378,7 @@ 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())
@@ -2441,11 +2424,7 @@ 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;
+ for (Instruction *RIP : NewRetainReleaseRRI.ReverseInsertPts) {
if (ReleasesToMove.ReverseInsertPts.insert(RIP)) {
// If we overflow when we compute the path count, don't
// remove/move anything.
@@ -2476,10 +2455,7 @@ 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())
@@ -2509,11 +2485,7 @@ 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;
+ for (Instruction *RIP : NewReleaseRetainRRI.ReverseInsertPts) {
if (RetainsToMove.ReverseInsertPts.insert(RIP)) {
// If we overflow when we compute the path count, don't
// remove/move anything.
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