Added debug message to ObjCARC when we transform objc_retainAutorelasedReturnValue => objc_retain since the operand to said function is not a return value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171629 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/ObjCARC.cpp b/lib/Transforms/Scalar/ObjCARC.cpp
index de09713..2a8a50e 100644
--- a/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/lib/Transforms/Scalar/ObjCARC.cpp
@@ -2261,7 +2261,18 @@
// Turn it to a plain objc_retain.
Changed = true;
++NumPeeps;
+
+ DEBUG(dbgs() << "ObjCARCOpt::OptimizeRetainRVCall: Transforming "
+ "objc_retainAutoreleasedReturnValue => "
+ "objc_retain since the operand is not a return value.\n"
+ " Old: "
+ << *RetainRV << "\n");
+
cast<CallInst>(RetainRV)->setCalledFunction(getRetainCallee(F.getParent()));
+
+ DEBUG(dbgs() << " New: "
+ << *RetainRV << "\n");
+
return false;
}