[llvm] [X86][MC] Added support for -msse2avx option in llvm-mc (PR #96860)

[Fangrui Song via llvm-commits]

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@@ -3745,7 +3749,22 @@ bool X86AsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
   return false;
 }
 
+void replaceSSE2AVXOpcode(MCInst &Inst) {
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MaskRay wrote:

`static ` https://llvm.org/docs/CodingStandards.html#anonymous-namespaces

https://github.com/llvm/llvm-project/pull/96860