// Turn it to an objc_retainAutoreleasedReturnValue..
Changed = true;
++NumPeeps;
+
+ DEBUG(dbgs() << "ObjCARCOpt::OptimizeRetainCall: Transforming "
+ "objc_retainAutoreleasedReturnValue => "
+ "objc_retain since the operand is not a return value.\n"
+ " Old: "
+ << *Retain << "\n");
+
cast<CallInst>(Retain)->setCalledFunction(getRetainRVCallee(F.getParent()));
+
+ DEBUG(dbgs() << " New: "
+ << *Retain << "\n");
}
/// OptimizeRetainRVCall - Turn objc_retainAutoreleasedReturnValue into
GetObjCArg(I) == Arg) {
Changed = true;
++NumPeeps;
+
+ DEBUG(dbgs() << "ObjCARCOpt::OptimizeRetainRVCall: Erasing " << *I << "\n"
+ << " Erasing " << *RetainRV
+ << "\n");
+
EraseInstruction(I);
EraseInstruction(RetainRV);
return true;
// 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;
}
Changed = true;
++NumPeeps;
+
+ DEBUG(dbgs() << "ObjCARCOpt::OptimizeAutoreleaseRVCall: Transforming "
+ "objc_autoreleaseReturnValue => "
+ "objc_autorelease since its operand is not used as a return "
+ "value.\n"
+ " Old: "
+ << *AutoreleaseRV << "\n");
+
cast<CallInst>(AutoreleaseRV)->
setCalledFunction(getAutoreleaseCallee(F.getParent()));
+
+ DEBUG(dbgs() << " New: "
+ << *AutoreleaseRV << "\n");
+
}
/// OptimizeIndividualCalls - Visit each call, one at a time, and make
case IC_NoopCast:
Changed = true;
++NumNoops;
+ DEBUG(dbgs() << "ObjCARCOpt::OptimizeIndividualCalls: Erasing no-op cast:"
+ " " << *Inst << "\n");
EraseInstruction(Inst);
continue;