[PATCH] D64630: [DebugInfo] Address performance regression with r364515

[Heejin Ahn via Phabricator via llvm-commits]

aheejin added inline comments.
Herald added a project: All.


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Comment at: llvm/lib/CodeGen/RegisterCoalescer.cpp:146
+    /// vreg => {set of vregs merged in}.
+    DenseMap<unsigned, SmallVector<unsigned, 4>> DbgMergedVRegNums;
+
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Hello, this CL's been a while, but this structure doesn't seem to be used anywhere (in the current code as well). What is this for?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D64630/new/

https://reviews.llvm.org/D64630