[llvm] CodeGen: Trim each PHI source subregister lane at its own last read (PR #226209)

Matt Arsenault via llvm-commits llvm-commits at lists.llvm.org
Fri Oct 2 06:31:01 PDT 2026

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arsenm wrote:

Will post new version as a compile time improvement 

https://github.com/llvm/llvm-project/pull/226209

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