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Removed trailing whitespace.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178932 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Gottesman 2013-04-05 23:46:45 +00:00
parent 17ea10cb79
commit 310f2665e8
1 changed files with 27 additions and 27 deletions
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54
lib/Transforms/ObjCARC/ObjCARCOpts.cpp
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@ -408,7 +408,7 @@ namespace {
KnownSafe(false), IsTailCallRelease(false), ReleaseMetadata(0) {}
void clear();
bool IsTrackingImpreciseReleases() {
return ReleaseMetadata != 0;
}
@ -460,7 +460,7 @@ namespace {
void SetSeq(Sequence NewSeq) {
DEBUG(dbgs() << "Old: " << Seq << "; New: " << NewSeq << "\n");
Seq = NewSeq;
Seq = NewSeq;
}
Sequence GetSeq() const {
@ -1750,9 +1750,9 @@ ObjCARCOpt::VisitInstructionBottomUp(Instruction *Inst,
bool NestingDetected = false;
InstructionClass Class = GetInstructionClass(Inst);
const Value *Arg = 0;
DEBUG(dbgs() << "Class: " << Class << "\n");
switch (Class) {
case IC_Release: {
Arg = GetObjCArg(Inst);
@ -1817,7 +1817,7 @@ ObjCARCOpt::VisitInstructionBottomUp(Instruction *Inst,
case S_Retain:
llvm_unreachable("bottom-up pointer in retain state!");
}
ANNOTATE_BOTTOMUP(Inst, Arg, OldSeq, S.GetSeq());
ANNOTATE_BOTTOMUP(Inst, Arg, OldSeq, S.GetSeq());
// A retain moving bottom up can be a use.
break;
}
@ -1921,7 +1921,7 @@ ObjCARCOpt::VisitBottomUp(BasicBlock *BB,
MapVector<Value *, RRInfo> &Retains) {
DEBUG(dbgs() << "\n== ObjCARCOpt::VisitBottomUp ==\n");
bool NestingDetected = false;
BBState &MyStates = BBStates[BB];
@ -2027,11 +2027,11 @@ ObjCARCOpt::VisitInstructionTopDown(Instruction *Inst,
PtrState &S = MyStates.getPtrTopDownState(Arg);
S.ClearKnownPositiveRefCount();
Sequence OldSeq = S.GetSeq();
MDNode *ReleaseMetadata = Inst->getMetadata(ImpreciseReleaseMDKind);
switch (OldSeq) {
case S_Retain:
case S_CanRelease:
@ -2079,7 +2079,7 @@ ObjCARCOpt::VisitInstructionTopDown(Instruction *Inst,
// Check for possible releases.
if (CanAlterRefCount(Inst, Ptr, PA, Class)) {
DEBUG(dbgs() << "CanAlterRefCount: Seq: " << Seq << "; " << *Ptr
<< "\n");
<< "\n");
S.ClearKnownPositiveRefCount();
switch (Seq) {
case S_Retain:
@ -2297,12 +2297,12 @@ void ObjCARCOpt::MoveCalls(Value *Arg,
MapVector<Value *, RRInfo> &Retains,
DenseMap<Value *, RRInfo> &Releases,
SmallVectorImpl<Instruction *> &DeadInsts,
Module *M) {
Module *M) {
Type *ArgTy = Arg->getType();
Type *ParamTy = PointerType::getUnqual(Type::getInt8Ty(ArgTy->getContext()));
DEBUG(dbgs() << "== ObjCARCOpt::MoveCalls ==\n");
// Insert the new retain and release calls.
for (SmallPtrSet<Instruction *, 2>::const_iterator
PI = ReleasesToMove.ReverseInsertPts.begin(),
@ -2354,7 +2354,7 @@ void ObjCARCOpt::MoveCalls(Value *Arg,
DeadInsts.push_back(OrigRelease);
DEBUG(dbgs() << "Deleting release: " << *OrigRelease << "\n");
}
}
bool
@ -2601,7 +2601,7 @@ ObjCARCOpt::PerformCodePlacement(DenseMap<const BasicBlock *, BBState>
/// Weak pointer optimizations.
void ObjCARCOpt::OptimizeWeakCalls(Function &F) {
DEBUG(dbgs() << "\n== ObjCARCOpt::OptimizeWeakCalls ==\n");
// First, do memdep-style RLE and S2L optimizations. We can't use memdep
// itself because it uses AliasAnalysis and we need to do provenance
// queries instead.
@ -2821,17 +2821,17 @@ FindPredecessorRetainWithSafePath(const Value *Arg, BasicBlock *BB,
BB, Autorelease, DepInsts, Visited, PA);
if (DepInsts.size() != 1)
return 0;
CallInst *Retain =
dyn_cast_or_null<CallInst>(*DepInsts.begin());
// Check that we found a retain with the same argument.
if (!Retain ||
!IsRetain(GetBasicInstructionClass(Retain)) ||
GetObjCArg(Retain) != Arg) {
return 0;
}
return Retain;
}
@ -2848,7 +2848,7 @@ FindPredecessorAutoreleaseWithSafePath(const Value *Arg, BasicBlock *BB,
BB, Ret, DepInsts, V, PA);
if (DepInsts.size() != 1)
return 0;
CallInst *Autorelease =
dyn_cast_or_null<CallInst>(*DepInsts.begin());
if (!Autorelease)
@ -2858,7 +2858,7 @@ FindPredecessorAutoreleaseWithSafePath(const Value *Arg, BasicBlock *BB,
return 0;
if (GetObjCArg(Autorelease) != Arg)
return 0;
return Autorelease;
}
@ -2873,9 +2873,9 @@ FindPredecessorAutoreleaseWithSafePath(const Value *Arg, BasicBlock *BB,
void ObjCARCOpt::OptimizeReturns(Function &F) {
if (!F.getReturnType()->isPointerTy())
return;
DEBUG(dbgs() << "\n== ObjCARCOpt::OptimizeReturns ==\n");
SmallPtrSet<Instruction *, 4> DependingInstructions;
SmallPtrSet<const BasicBlock *, 4> Visited;
for (Function::iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI) {
@ -2886,9 +2886,9 @@ void ObjCARCOpt::OptimizeReturns(Function &F) {
if (!Ret)
continue;
const Value *Arg = StripPointerCastsAndObjCCalls(Ret->getOperand(0));
// Look for an ``autorelease'' instruction that is a predecssor of Ret and
// dependent on Arg such that there are no instructions dependent on Arg
// that need a positive ref count in between the autorelease and Ret.
@ -2899,14 +2899,14 @@ void ObjCARCOpt::OptimizeReturns(Function &F) {
if (Autorelease) {
DependingInstructions.clear();
Visited.clear();
CallInst *Retain =
FindPredecessorRetainWithSafePath(Arg, BB, Autorelease,
DependingInstructions, Visited, PA);
if (Retain) {
DependingInstructions.clear();
Visited.clear();
// Check that there is nothing that can affect the reference count
// between the retain and the call. Note that Retain need not be in BB.
if (HasSafePathToPredecessorCall(Arg, Retain, DependingInstructions,
@ -2921,7 +2921,7 @@ void ObjCARCOpt::OptimizeReturns(Function &F) {
}
}
}
DependingInstructions.clear();
Visited.clear();
}