[PATCH] D157273: [GlobalISel] Add dead flags to implicit defs in ISel

[Pierre van Houtryve via Phabricator via llvm-commits]

Pierre-vh added a comment.

In D157273#4565239 <https://reviews.llvm.org/D157273#4565239>, @foad wrote:

> Are there any cases where this improves codegen?

The only codegen change I spotted was in mul-scalar.ll (X86)
The intent is just to improve correctness. @arsenm noticed that not setting dead flags was an issue in https://github.com/llvm/llvm-project/issues/63986


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  https://reviews.llvm.org/D157273/new/

https://reviews.llvm.org/D157273