[llvm] [CodeGen] Port WinEHPrepare to new pass manager (PR #74233)

[via llvm-commits]

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@@ -51,27 +52,20 @@ static cl::opt<bool> DisableCleanups(
     cl::desc("Do not remove implausible terminators or other similar cleanups"),
     cl::init(false));
 
+// TODO: Remove this option when we fully migrate to new pass manager
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paperchalice wrote:

New pass manager uses syntax `passname<param>` to provide constructor parameters.

https://github.com/llvm/llvm-project/pull/74233