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authorKazu Hirata <kazu@google.com>2022-12-02 21:11:44 -0800
committerKazu Hirata <kazu@google.com>2022-12-02 21:11:44 -0800
commitaadaaface2ec96ee30d92bf46faa41dd9e68b64d (patch)
treee8da5e8b9e241f764c8fcd8d047b1a3b4f22ce3e /llvm/unittests/IR/ConstantRangeTest.cpp
parented88e60b373383322c4b7465d43dc6c06092facb (diff)
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[llvm] Use std::nullopt instead of None (NFC)
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
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