Add an Assumption-Tracking Pass

[oota-llvm.git] / lib / Transforms / ObjCARC / ObjCARCContract.cpp

diff --git a/lib/Transforms/ObjCARC/ObjCARCContract.cpp b/lib/Transforms/ObjCARC/ObjCARCContract.cpp
index f48d53d11b7104724f1642c0c7032c28dd7d2607..eb325eb9417f775697312e2aefd81c9f47d0f158 100644 (file)
--- a/lib/Transforms/ObjCARC/ObjCARCContract.cpp
+++ b/lib/Transforms/ObjCARC/ObjCARCContract.cpp
@@ -72,9 +72,9 @@ namespace {
 
     bool ContractAutorelease(Function &F, Instruction *Autorelease,
                              InstructionClass Class,
-                             SmallPtrSet<Instruction *, 4>
+                             SmallPtrSetImpl<Instruction *>
                                &DependingInstructions,
-                             SmallPtrSet<const BasicBlock *, 4>
+                             SmallPtrSetImpl<const BasicBlock *>
                                &Visited);
 
     void ContractRelease(Instruction *Release,
@@ -150,9 +150,9 @@ ObjCARCContract::OptimizeRetainCall(Function &F, Instruction *Retain) {
 bool
 ObjCARCContract::ContractAutorelease(Function &F, Instruction *Autorelease,
                                      InstructionClass Class,
-                                     SmallPtrSet<Instruction *, 4>
+                                     SmallPtrSetImpl<Instruction *>
                                        &DependingInstructions,
-                                     SmallPtrSet<const BasicBlock *, 4>
+                                     SmallPtrSetImpl<const BasicBlock *>
                                        &Visited) {
   const Value *Arg = GetObjCArg(Autorelease);
 
@@ -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;