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Correctly report modified status for ObjCARCOpt

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Differential Revision: https://reviews.llvm.org/D81234
This commit is contained in:
serge-sans-paille 2020-06-04 15:38:32 +02:00
parent 280a4f53ef
commit 5aad0e32c9
1 changed files with 3 additions and 0 deletions
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3
lib/Transforms/ObjCARC/ObjCARCOpts.cpp
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@ -676,6 +676,7 @@ bool ObjCARCOpt::OptimizeInlinedAutoreleaseRVCall(
// Delete the RV pair, starting with the AutoreleaseRV.
AutoreleaseRV->replaceAllUsesWith(
cast<CallInst>(AutoreleaseRV)->getArgOperand(0));
Changed = true;
EraseInstruction(AutoreleaseRV);
if (Class == ARCInstKind::RetainRV) {
// AutoreleaseRV and RetainRV cancel out. Delete the RetainRV.
@ -915,6 +916,7 @@ void ObjCARCOpt::OptimizeIndividualCallImpl(
if (!Inst->getType()->isVoidTy())
Inst->replaceAllUsesWith(Inst->getOperand(0));
Inst->eraseFromParent();
Changed = true;
return;
}
@ -2052,6 +2054,7 @@ void ObjCARCOpt::OptimizeWeakCalls(Function &F) {
// Delete objc_loadWeak calls with no users.
if (Class == ARCInstKind::LoadWeak && Inst->use_empty()) {
Inst->eraseFromParent();
Changed = true;
continue;
}