Adrian Prantl 418893d8f2 Speed up accelerator table lookups ... When debugging a large program like clang and doing "frame variable *this", the ValueObject pretty printer is doing hundreds of scoped FindTypes lookups. The ones that take longest are the ones where the DWARFDeclContext ends in something like ::Iterator which produces many false positives that need to be filtered out *after* extracting the DIEs. This patch demonstrates a way to filter out false positives at the accerator table lookup step. With this patch lldb clang-10 -o "b EmitFunctionStart" -o r -o "f 2" -o "fr v *this" -b -- ... goes (in user time) from 5.6s -> 4.8s or (in wall clock) from 6.9s -> 6.0s. Differential Revision: https://reviews.llvm.org/D68678 llvm-svn: 374401		2019-10-10 17:59:15 +00:00
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a.cpp
b.cpp
c.cpp
d.cpp
e.cpp
f.cpp
g.cpp
main.cpp
Makefile
source.h
TestCPPAccelerator.py