When we strength reduce an objc_retainBlock call to objc_retain, increment NumPeeps...

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

diff --git a/lib/Transforms/ObjCARC/ObjCARCOpts.cpp b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
index f2f82bad72e883db567023b431c70c53f3fcdb67..7a7cdbec10df5903e6a35f6e4e59e1ab7961fd47 100644 (file)
--- a/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
+++ b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
@@ -1383,12 +1383,17 @@ ObjCARCOpt::OptimizeRetainBlockCall(Function &F, Instruction *Inst,
   if (!IsRetainBlockOptimizable(Inst))
     return false;
 
+  Changed = true;
+  ++NumPeeps;
+
+  DEBUG(dbgs() << "Strength reduced retainBlock => retain.\n");
+  DEBUG(dbgs() << "Old: " << *Inst << "\n");
   CallInst *RetainBlock = cast<CallInst>(Inst);
   RetainBlock->setCalledFunction(getRetainCallee(F.getParent()));
   // Remove copy_on_escape metadata.
   RetainBlock->setMetadata(CopyOnEscapeMDKind, 0);
   Class = IC_Retain;
-
+  DEBUG(dbgs() << "New: " << *Inst << "\n");
   return true;
 }
 
@@ -1469,7 +1474,7 @@ void ObjCARCOpt::OptimizeIndividualCalls(Function &F) {
       break;
     }
     case IC_RetainBlock:
-      // If we strength reduce an objc_retainBlock to amn objc_retain, continue
+      // If we strength reduce an objc_retainBlock to an objc_retain, continue
       // onto the objc_retain peephole optimizations. Otherwise break.
       if (!OptimizeRetainBlockCall(F, Inst, Class))
         break;
@@ -2384,7 +2389,7 @@ void ObjCARCOpt::MoveCalls(Value *Arg,
     Call->setDoesNotThrow();
     Call->setTailCall();
 
-    DEBUG(dbgs() << "Inserting new Release: " << *Call << "\n"
+    DEBUG(dbgs() << "Inserting new Retain: " << *Call << "\n"
                     "At insertion point: " << *InsertPt << "\n");
   }
   for (SmallPtrSet<Instruction *, 2>::const_iterator
@@ -2958,7 +2963,7 @@ void ObjCARCOpt::OptimizeReturns(Function &F) {
 
     const Value *Arg = StripPointerCastsAndObjCCalls(Ret->getOperand(0));
 
-    // Look for an ``autorelease'' instruction that is a predecssor of Ret and
+    // Look for an ``autorelease'' instruction that is a predecessor 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.
     CallInst *Autorelease =