[Lldb-commits] [PATCH] D11390: Optimize GetCompileUnitContainingDIE with a lookup table

[Tamas Berghammer]

tberghammer created this revision.
tberghammer added a reviewer: clayborg.
tberghammer added a subscriber: lldb-commits.

Optimize GetCompileUnitContainingDIE with a lookup table

For large executable with debug symbols GetCompileUnitContainingDIE
took most of the time spent on DWARF parsing. Optimize it from linear
search to a logarithmic search with a lookup table.

http://reviews.llvm.org/D11390

Files:
  source/Plugins/SymbolFile/DWARF/DWARFDebugInfo.cpp
  source/Plugins/SymbolFile/DWARF/DWARFDebugInfo.h

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