[llvm] [SystemZ] Add a SystemZ specific pre-RA scheduling strategy. (PR #135076)
    Jonas Paulsson via llvm-commits 
    llvm-commits at lists.llvm.org
       
    Tue Sep  9 03:06:50 PDT 2025
    
    
  
JonPsson1 wrote:
Some minor fixes. It is all looking quite good now to me so the next step would be to decide on using PressureDiffs (or not). 
Given that the PressureDiffs give identical results, they make sense to me, I guess. I also think that maybe SystemZPreRASchedStrategy::initializePressureSets() could be simplified, given that GCNSchedStrategy::pickNodeFromQueue() is hard-coding these sets by name, which is an indicator that these may be fairly stable.
https://github.com/llvm/llvm-project/pull/135076
    
    
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