[llvm] [LLVM] convergence verifier should visit all instructions (PR #66200)

[via llvm-commits]

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@@ -3576,8 +3576,6 @@ void Verifier::visitCallBase(CallBase &Call) {
   if (Call.isInlineAsm())
     verifyInlineAsmCall(Call);
 
-  CV.visit(Call);
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ruiling wrote:

The ConvergenceVerifier may also keep record of the last-call-instruction's parent. Then it is easy to detect entering a new block inside ConvergenceVerifier::visit(). I have no opinion which is the best way to way.

https://github.com/llvm/llvm-project/pull/66200