[llvm] [CodeGen] Port `IndirectBrExpand` to new pass manager (PR #75287)

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git-clang-format --diff 04580edd8a394dc2ccee7363c8a41ee05b1a6b98 815ff5d47c2b93c0c35efdfcc274b328f5909e2d -- llvm/include/llvm/CodeGen/IndirectBrExpand.h llvm/include/llvm/CodeGen/CodeGenPassBuilder.h llvm/include/llvm/InitializePasses.h llvm/lib/CodeGen/CodeGen.cpp llvm/lib/CodeGen/IndirectBrExpandPass.cpp llvm/lib/Passes/PassBuilder.cpp llvm/tools/opt/opt.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/include/llvm/CodeGen/IndirectBrExpand.h b/llvm/include/llvm/CodeGen/IndirectBrExpand.h
index 09b146b4ae..4d70f30335 100644
--- a/llvm/include/llvm/CodeGen/IndirectBrExpand.h
+++ b/llvm/include/llvm/CodeGen/IndirectBrExpand.h
@@ -1,4 +1,5 @@
-//===- IndirectBrExpandLegacyPass.h -----------------------------*- C++ -*--===//
+//===- IndirectBrExpandLegacyPass.h -----------------------------*- C++
+//-*--===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.

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https://github.com/llvm/llvm-project/pull/75287