SuccessChanges

Summary

  1. [gn build] update TODO (details)
  2. Revert "[DSE] Switch to MemorySSA-backed DSE by default." (details)
  3. [InstCombine] Add basic vector test coverage for icmp_eq/ne zero combines (details)
Commit 46b671a908687c9074151332c6372df1e820a1dd by thakis
[gn build] update TODO
The file was modifiedllvm/utils/gn/TODO.txt
Commit 915310bf14cbac58a81fd60e0fa9dc8d341108e2 by flo
Revert "[DSE] Switch to MemorySSA-backed DSE by default."

There appears to be a mis-compile with MemorySSA-backed DSE in
combination with llvm.lifetime.end. It currently appears like
DSE is doing the right thing and the llvm.lifetime.end markers
are incorrect. The reverted patch uncovers the mis-compile.

This patch temporarily switches back to the legacy DSE
implementation, while we investigate.

This reverts commit 9d172c8e9c845a36b61dc12c27de8acdbef8b247.
The file was modifiedllvm/test/Other/opt-O2-pipeline.ll
The file was modifiedllvm/test/Transforms/DeadStoreElimination/MSSA/libcalls.ll
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The file was modifiedllvm/test/Transforms/DeadStoreElimination/MSSA/pr47285-not-overwritten-on-all-exit-paths.ll
The file was modifiedllvm/test/Transforms/DeadStoreElimination/MSSA/lifetime.ll
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The file was modifiedclang/test/CodeGen/thinlto-distributed-newpm.ll
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Commit 98c5eebcf786ee970c57a752ac3dfededa90501a by llvm-dev
[InstCombine] Add basic vector test coverage for icmp_eq/ne zero combines
The file was modifiedllvm/test/Transforms/InstCombine/onehot_merge.ll