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Added DEBUG message to ObjCARC when we transform objc_initWeak(p, null) => *p = null.

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llvm-svn: 171463
This commit is contained in:
Michael Gottesman 2013-01-03 07:32:53 +00:00
parent fcffa87a15
commit 5c76a62ee6
1 changed files with 4 additions and 0 deletions
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4
lib/Transforms/Scalar/ObjCARC.cpp
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@ -4168,6 +4168,10 @@ bool ObjCARCContract::runOnFunction(Function &F) {
ConstantPointerNull::get(cast<PointerType>(CI->getType())); ConstantPointerNull::get(cast<PointerType>(CI->getType()));
Changed = true; Changed = true;
new StoreInst(Null, CI->getArgOperand(0), CI); new StoreInst(Null, CI->getArgOperand(0), CI);
DEBUG(dbgs() << "OBJCARCContract: Old = " << *CI << "\n"
<< " New = " << *Null << "\n");
CI->replaceAllUsesWith(Null); CI->replaceAllUsesWith(Null);
CI->eraseFromParent(); CI->eraseFromParent();
} }