[llvm] [llc] Provide `opt` like verifier options (PR #106665)

[Matt Arsenault via llvm-commits]

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@@ -32,6 +32,8 @@ class ToolOutputFile;
 class LLVMContext;
 class MIRParser;
 
+enum class VerifierKind { None, InputOutput, EachPass };
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arsenm wrote:

This is only for new PM? 

https://github.com/llvm/llvm-project/pull/106665