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[Transforms] Use std::nullopt instead of None (NFC)

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This patch mechanically replaces None with std::nullopt where the
compiler would warn if None were deprecated.  The intent is to reduce
the amount of manual work required in migrating from Optional to
std::optional.

This is part of an effort to migrate from llvm::Optional to
std::optional:

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716
This commit is contained in:
Kazu Hirata
2022-12-02 21:11:37 -08:00
parent 998960ee1f
commit 343de6856e
63 changed files with 429 additions and 408 deletions
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5
llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
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@@ -1305,12 +1305,13 @@ void AddressSanitizer::getInterestingMemoryOperands(
if (!ClInstrumentAtomics || ignoreAccess(I, RMW->getPointerOperand()))
return;
Interesting.emplace_back(I, RMW->getPointerOperandIndex(), true,
RMW->getValOperand()->getType(), None);
RMW->getValOperand()->getType(), std::nullopt);
} else if (AtomicCmpXchgInst *XCHG = dyn_cast<AtomicCmpXchgInst>(I)) {
if (!ClInstrumentAtomics || ignoreAccess(I, XCHG->getPointerOperand()))
return;
Interesting.emplace_back(I, XCHG->getPointerOperandIndex(), true,
XCHG->getCompareOperand()->getType(), None);
XCHG->getCompareOperand()->getType(),
std::nullopt);
} else if (auto CI = dyn_cast<CallInst>(I)) {
if (CI->getIntrinsicID() == Intrinsic::masked_load ||
CI->getIntrinsicID() == Intrinsic::masked_store) {