[PATCH] D92375: [MergeICmps] Fix missing split.

[Clement Courbet via Phabricator via llvm-commits]

courbet created this revision.
courbet added a reviewer: MaskRay.
Herald added a subscriber: hiraditya.
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courbet requested review of this revision.

We were not correctly splitting a blocks for chains of length 1.

This supersedes D92364 <https://reviews.llvm.org/D92364>.

Test case by MaskRay (Fangrui Song).


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D92375

Files:
  llvm/lib/Transforms/Scalar/MergeICmps.cpp
  llvm/test/Transforms/MergeICmps/X86/gep-references-bb.ll

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