[all-commits] [llvm/llvm-project] 17bc73: [memprof] Make ContextNode smaller (#116271)

[Kazu Hirata via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 17bc738324274f1cf54d30552d65751d216e7ad0
      https://github.com/llvm/llvm-project/commit/17bc738324274f1cf54d30552d65751d216e7ad0
  Author: Kazu Hirata <kazu at google.com>
  Date:   2024-11-14 (Thu, 14 Nov 2024)

  Changed paths:
    M llvm/lib/Transforms/IPO/MemProfContextDisambiguation.cpp

  Log Message:
  -----------
  [memprof] Make ContextNode smaller (#116271)

With this patch, sizeof(ContextNode) goes down from 144 to 128.

Note that SmallVector<T, 0> uses uint32_t for its capacity and size
fields.

I could change other instances of std::vector to SmallVector<T, 0>,
but that would require updates to many places, so I am leaving them
alone for now.



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