[llvm] [ADT] Extract DenseMapStorage from DenseMap (NFC) (PR #226664)

Fangrui Song via llvm-commits llvm-commits at lists.llvm.org
Sun Sep 27 20:39:47 PDT 2026


https://github.com/MaskRay approved this pull request.

Thanks. The end state will win back the loss.
```
┌─────────────────────┬──────────────────┬─────────────────────┬──────────────────┐
│         TU          │  #226664 alone   │ #226866 (end state) │ .text, end state │
├─────────────────────┼──────────────────┼─────────────────────┼──────────────────┤
│ Metadata.cpp        │ +0.66% (sd 0.14) │    −0.18% (sd 0.16) │            −28 B │
├─────────────────────┼──────────────────┼─────────────────────┼──────────────────┤
│ NewGVN.cpp          │ +0.94% (sd 0.05) │    −0.07% (sd 0.15) │           +140 B │
├─────────────────────┼──────────────────┼─────────────────────┼──────────────────┤
│ ScalarEvolution.cpp │ +0.57% (sd 0.11) │    −0.06% (sd 0.02) │            +85 B │
└─────────────────────┴──────────────────┴─────────────────────┴──────────────────┘
```

https://github.com/llvm/llvm-project/pull/226664


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