[llvm/unittests] 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

1 files changed, 3 insertions, 3 deletions

diff --git a/llvm/unittests/Target/WebAssembly/WebAssemblyExceptionInfoTest.cpp b/llvm/unittests/Target/WebAssembly/WebAssemblyExceptionInfoTest.cpp
index d9247e4..617ff7b 100644
--- a/llvm/unittests/Target/WebAssembly/WebAssemblyExceptionInfoTest.cpp
+++ b/llvm/unittests/Target/WebAssembly/WebAssemblyExceptionInfoTest.cpp
@@ -34,9 +34,9 @@ std::unique_ptr<LLVMTargetMachine> createTargetMachine() {
   const Target *TheTarget = TargetRegistry::lookupTarget(TT, Error);
   assert(TheTarget);
 
-  return std::unique_ptr<LLVMTargetMachine>(static_cast<LLVMTargetMachine*>(
-      TheTarget->createTargetMachine(TT, CPU, FS, TargetOptions(), None, None,
-                                     CodeGenOpt::Default)));
+  return std::unique_ptr<LLVMTargetMachine>(static_cast<LLVMTargetMachine *>(
+      TheTarget->createTargetMachine(TT, CPU, FS, TargetOptions(), std::nullopt,
+                                     std::nullopt, CodeGenOpt::Default)));
 }
 
 std::unique_ptr<Module> parseMIR(LLVMContext &Context,