[all-commits] [llvm/llvm-project] bd7ea8: [PDB] Avoid calling discoverTypeIndices for a know...

[Reid Kleckner via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: bd7ea8641e7667b109534ae06b33be7bc9b59821
      https://github.com/llvm/llvm-project/commit/bd7ea8641e7667b109534ae06b33be7bc9b59821
  Author: Reid Kleckner <rnk at google.com>
  Date:   2020-05-02 (Sat, 02 May 2020)

  Changed paths:
    M lld/COFF/PDB.cpp

  Log Message:
  -----------
  [PDB] Avoid calling discoverTypeIndices for a known record kind

This particular overload allocates memory, and we do this for every
S_[GL]PROC32_ID record. Instead, hardcode the offset of the typeindex
that we are looking for in the LF_[MEM]FUNC_ID record. We already
assumed that looking up the item index already found a record of this
kind.