[all-commits] [llvm/llvm-project] e09310: [InstrRef][NFC] Avoid another DenseMap, use a sort...

[Jeremy Morse via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e093109e4a1551de13a1219275d62e9c7ee3146f
      https://github.com/llvm/llvm-project/commit/e093109e4a1551de13a1219275d62e9c7ee3146f
  Author: Jeremy Morse <jeremy.morse at sony.com>
  Date:   2024-07-17 (Wed, 17 Jul 2024)

  Changed paths:
    M llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp

  Log Message:
  -----------
  [InstrRef][NFC] Avoid another DenseMap, use a sorted vector (#99051)

When resolving value-numbers to specific machine locations in the final
stages of LiveDebugValues, we've been producing a DenseMap containing
all the value-numbers we're interested in. However we never modify the
map keys as they're all pre-known. Thus, this is a suitable collection
to switch to a sorted vector that gets searched, rather than a DenseMap
that gets probed. The overall operation of LiveDebugValues isn't
affected at all.



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