[PATCH] D111688: [MachineSink] Compile time improvement for large testcases which has many kill flags We did a experiment and observed dramatic decrease on compilation time which spent on clearing kill flags.

[Bing Yu via Phabricator via llvm-commits]

yubing added inline comments.


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Comment at: llvm/lib/CodeGen/MachineSink.cpp:134
 
-    SparseBitVector<> RegsToClearKillFlags;
+    DenseSet<unsigned> RegsToClearKillFlags;
 
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MatzeB wrote:
> Does `DenseSet<Register>` work too? (if it does not then I'm fine with this).
Thanks for suggestions, DenseSet<Register> works for me.


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  https://reviews.llvm.org/D111688/new/

https://reviews.llvm.org/D111688