diff options
| -rw-r--r-- | lib/Transforms/ObjCARC/ObjCARCOpts.cpp | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/lib/Transforms/ObjCARC/ObjCARCOpts.cpp b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp index 8623433f96..301eac178d 100644 --- a/lib/Transforms/ObjCARC/ObjCARCOpts.cpp +++ b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp @@ -1949,9 +1949,9 @@ ObjCARCOpt::VisitBottomUp(BasicBlock *BB, } // If ARC Annotations are enabled, output the current state of pointers at the - // bottom of the basic block. + // bottom of the basic block. ANNOTATE_BOTTOMUP_BBEND(MyStates, BB); - + // Visit all the instructions, bottom-up. for (BasicBlock::iterator I = BB->end(), E = BB->begin(); I != E; --I) { Instruction *Inst = llvm::prior(I); @@ -1978,7 +1978,7 @@ ObjCARCOpt::VisitBottomUp(BasicBlock *BB, // If ARC Annotations are enabled, output the current state of pointers at the // top of the basic block. ANNOTATE_BOTTOMUP_BBSTART(MyStates, BB); - + return NestingDetected; } @@ -2151,7 +2151,7 @@ ObjCARCOpt::VisitTopDown(BasicBlock *BB, // If ARC Annotations are enabled, output the current state of pointers at the // top of the basic block. ANNOTATE_TOPDOWN_BBSTART(MyStates, BB); - + // Visit all the instructions, top-down. for (BasicBlock::iterator I = BB->begin(), E = BB->end(); I != E; ++I) { Instruction *Inst = I; @@ -2160,11 +2160,11 @@ ObjCARCOpt::VisitTopDown(BasicBlock *BB, NestingDetected |= VisitInstructionTopDown(Inst, Releases, MyStates); } - + // If ARC Annotations are enabled, output the current state of pointers at the // bottom of the basic block. ANNOTATE_TOPDOWN_BBEND(MyStates, BB); - + CheckForCFGHazards(BB, BBStates, MyStates); return NestingDetected; } @@ -2779,9 +2779,9 @@ bool ObjCARCOpt::OptimizeSequences(Function &F) { NestingDetected; } -// Check if there is a dependent call earlier that does not have anything in -// between the Retain and the call that can affect the reference count of their -// shared pointer argument. Note that Retain need not be in BB. +/// Check if there is a dependent call earlier that does not have anything in +/// between the Retain and the call that can affect the reference count of their +/// shared pointer argument. Note that Retain need not be in BB. static bool HasSafePathToPredecessorCall(const Value *Arg, Instruction *Retain, SmallPtrSet<Instruction *, 4> &DepInsts, @@ -2791,19 +2791,19 @@ HasSafePathToPredecessorCall(const Value *Arg, Instruction *Retain, DepInsts, Visited, PA); if (DepInsts.size() != 1) return false; - + CallInst *Call = dyn_cast_or_null<CallInst>(*DepInsts.begin()); - + // Check that the pointer is the return value of the call. if (!Call || Arg != Call) return false; - + // Check that the call is a regular call. InstructionClass Class = GetBasicInstructionClass(Call); if (Class != IC_CallOrUser && Class != IC_Call) return false; - + return true; } @@ -2868,7 +2868,7 @@ void ObjCARCOpt::OptimizeReturns(Function &F) { 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, |