[all-commits] [llvm/llvm-project] ca61e6: Revert "[CVP] Check whether the default case is re...

[Yingwei Zheng via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ca61e6a71dbe622593b27ab6c6f3bfd058069772
      https://github.com/llvm/llvm-project/commit/ca61e6a71dbe622593b27ab6c6f3bfd058069772
  Author: Yingwei Zheng <dtcxzyw2333 at gmail.com>
  Date:   2024-02-13 (Tue, 13 Feb 2024)

  Changed paths:
    M llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
    M llvm/test/Transforms/CorrelatedValuePropagation/basic.ll
    R llvm/test/Transforms/CorrelatedValuePropagation/switch.ll

  Log Message:
  -----------
  Revert "[CVP] Check whether the default case is reachable (#79993)" (#81585)

This reverts commit a034e65e972175a2465deacb8c78bc7efc99bd23.

Some protobuf users reported that this patch caused a significant
compile-time regression because `TailDuplicator` works poorly with a
specific pattern.

We will reland it once the codegen issue is fixed.