[clang] [llvm] [RegAlloc] [X86] Enable callee saved register optimization for x86 (PR #188609)

Shreeyash Pandey via cfe-commits cfe-commits at lists.llvm.org
Fri Aug 7 08:25:09 PDT 2026


bojle wrote:

Hi @weiguozhi, I agree with @david-xl that this PR must be split in two parts, first one being the refactor. I've created the sister patch for this for AArch64 https://github.com/llvm/llvm-project/pull/214773, and that could use the refactor. 

https://github.com/llvm/llvm-project/pull/188609


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