[llvm] [X86] Set up the framework for optimization of CCMP/CTEST (PR #84603)
Shengchen Kan via llvm-commits
llvm-commits at lists.llvm.org
Fri May 10 11:34:33 PDT 2024
KanRobert wrote:
Compared with this implementation, DAGCombine + pattern match approach can not handle two cases at least. See comments at https://github.com/llvm/llvm-project/pull/91747
I believe we should add this MIR pass and handle the missed cases with DAGCombine + pattern match approach if we find it in real world.
https://github.com/llvm/llvm-project/pull/84603
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