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https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
Removed trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178932 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -408,7 +408,7 @@ namespace {
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KnownSafe(false), IsTailCallRelease(false), ReleaseMetadata(0) {}
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void clear();
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bool IsTrackingImpreciseReleases() {
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return ReleaseMetadata != 0;
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}
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@ -460,7 +460,7 @@ namespace {
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void SetSeq(Sequence NewSeq) {
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DEBUG(dbgs() << "Old: " << Seq << "; New: " << NewSeq << "\n");
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Seq = NewSeq;
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Seq = NewSeq;
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}
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Sequence GetSeq() const {
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@ -1750,9 +1750,9 @@ ObjCARCOpt::VisitInstructionBottomUp(Instruction *Inst,
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bool NestingDetected = false;
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InstructionClass Class = GetInstructionClass(Inst);
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const Value *Arg = 0;
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DEBUG(dbgs() << "Class: " << Class << "\n");
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switch (Class) {
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case IC_Release: {
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Arg = GetObjCArg(Inst);
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@ -1817,7 +1817,7 @@ ObjCARCOpt::VisitInstructionBottomUp(Instruction *Inst,
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case S_Retain:
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llvm_unreachable("bottom-up pointer in retain state!");
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}
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ANNOTATE_BOTTOMUP(Inst, Arg, OldSeq, S.GetSeq());
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ANNOTATE_BOTTOMUP(Inst, Arg, OldSeq, S.GetSeq());
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// A retain moving bottom up can be a use.
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break;
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}
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@ -1921,7 +1921,7 @@ ObjCARCOpt::VisitBottomUp(BasicBlock *BB,
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MapVector<Value *, RRInfo> &Retains) {
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DEBUG(dbgs() << "\n== ObjCARCOpt::VisitBottomUp ==\n");
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bool NestingDetected = false;
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BBState &MyStates = BBStates[BB];
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@ -2027,11 +2027,11 @@ ObjCARCOpt::VisitInstructionTopDown(Instruction *Inst,
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PtrState &S = MyStates.getPtrTopDownState(Arg);
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S.ClearKnownPositiveRefCount();
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Sequence OldSeq = S.GetSeq();
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MDNode *ReleaseMetadata = Inst->getMetadata(ImpreciseReleaseMDKind);
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switch (OldSeq) {
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case S_Retain:
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case S_CanRelease:
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@ -2079,7 +2079,7 @@ ObjCARCOpt::VisitInstructionTopDown(Instruction *Inst,
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// Check for possible releases.
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if (CanAlterRefCount(Inst, Ptr, PA, Class)) {
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DEBUG(dbgs() << "CanAlterRefCount: Seq: " << Seq << "; " << *Ptr
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<< "\n");
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<< "\n");
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S.ClearKnownPositiveRefCount();
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switch (Seq) {
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case S_Retain:
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@ -2297,12 +2297,12 @@ void ObjCARCOpt::MoveCalls(Value *Arg,
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MapVector<Value *, RRInfo> &Retains,
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DenseMap<Value *, RRInfo> &Releases,
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SmallVectorImpl<Instruction *> &DeadInsts,
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Module *M) {
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Module *M) {
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Type *ArgTy = Arg->getType();
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Type *ParamTy = PointerType::getUnqual(Type::getInt8Ty(ArgTy->getContext()));
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DEBUG(dbgs() << "== ObjCARCOpt::MoveCalls ==\n");
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// Insert the new retain and release calls.
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for (SmallPtrSet<Instruction *, 2>::const_iterator
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PI = ReleasesToMove.ReverseInsertPts.begin(),
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@ -2354,7 +2354,7 @@ void ObjCARCOpt::MoveCalls(Value *Arg,
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DeadInsts.push_back(OrigRelease);
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DEBUG(dbgs() << "Deleting release: " << *OrigRelease << "\n");
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}
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}
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bool
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@ -2601,7 +2601,7 @@ ObjCARCOpt::PerformCodePlacement(DenseMap<const BasicBlock *, BBState>
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/// Weak pointer optimizations.
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void ObjCARCOpt::OptimizeWeakCalls(Function &F) {
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DEBUG(dbgs() << "\n== ObjCARCOpt::OptimizeWeakCalls ==\n");
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// First, do memdep-style RLE and S2L optimizations. We can't use memdep
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// itself because it uses AliasAnalysis and we need to do provenance
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// queries instead.
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@ -2821,17 +2821,17 @@ FindPredecessorRetainWithSafePath(const Value *Arg, BasicBlock *BB,
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BB, Autorelease, DepInsts, Visited, PA);
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if (DepInsts.size() != 1)
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return 0;
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CallInst *Retain =
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dyn_cast_or_null<CallInst>(*DepInsts.begin());
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// Check that we found a retain with the same argument.
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if (!Retain ||
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!IsRetain(GetBasicInstructionClass(Retain)) ||
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GetObjCArg(Retain) != Arg) {
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return 0;
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}
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return Retain;
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}
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@ -2848,7 +2848,7 @@ FindPredecessorAutoreleaseWithSafePath(const Value *Arg, BasicBlock *BB,
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BB, Ret, DepInsts, V, PA);
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if (DepInsts.size() != 1)
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return 0;
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CallInst *Autorelease =
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dyn_cast_or_null<CallInst>(*DepInsts.begin());
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if (!Autorelease)
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@ -2858,7 +2858,7 @@ FindPredecessorAutoreleaseWithSafePath(const Value *Arg, BasicBlock *BB,
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return 0;
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if (GetObjCArg(Autorelease) != Arg)
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return 0;
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return Autorelease;
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}
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@ -2873,9 +2873,9 @@ FindPredecessorAutoreleaseWithSafePath(const Value *Arg, BasicBlock *BB,
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void ObjCARCOpt::OptimizeReturns(Function &F) {
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if (!F.getReturnType()->isPointerTy())
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return;
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DEBUG(dbgs() << "\n== ObjCARCOpt::OptimizeReturns ==\n");
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SmallPtrSet<Instruction *, 4> DependingInstructions;
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SmallPtrSet<const BasicBlock *, 4> Visited;
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for (Function::iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI) {
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@ -2886,9 +2886,9 @@ void ObjCARCOpt::OptimizeReturns(Function &F) {
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if (!Ret)
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continue;
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const Value *Arg = StripPointerCastsAndObjCCalls(Ret->getOperand(0));
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// Look for an ``autorelease'' instruction that is a predecssor of Ret and
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// dependent on Arg such that there are no instructions dependent on Arg
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// that need a positive ref count in between the autorelease and Ret.
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@ -2899,14 +2899,14 @@ void ObjCARCOpt::OptimizeReturns(Function &F) {
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if (Autorelease) {
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DependingInstructions.clear();
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Visited.clear();
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CallInst *Retain =
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FindPredecessorRetainWithSafePath(Arg, BB, Autorelease,
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DependingInstructions, Visited, PA);
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if (Retain) {
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DependingInstructions.clear();
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Visited.clear();
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// Check that there is nothing that can affect the reference count
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// between the retain and the call. Note that Retain need not be in BB.
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if (HasSafePathToPredecessorCall(Arg, Retain, DependingInstructions,
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@ -2921,7 +2921,7 @@ void ObjCARCOpt::OptimizeReturns(Function &F) {
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}
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}
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}
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DependingInstructions.clear();
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Visited.clear();
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}
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