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| author | Sterling Augustine <saugustine@google.com> | 2020-03-10 12:03:24 -0700 |
|---|---|---|
| committer | Sterling Augustine <saugustine@google.com> | 2020-03-12 10:53:33 -0700 |
| commit | c53c2058ffb8ff877702bb2dded31c85c1dfe66d (patch) | |
| tree | ff3a8c3d5c015dfb4ab0ff86e4b1c3da4c3db8f2 /llvm/lib/DebugInfo/CodeView/DebugChecksumsSubsection.cpp | |
| parent | 30804d0a3fb23325c4b455108e59d00213b83891 (diff) | |
| download | llvm-c53c2058ffb8ff877702bb2dded31c85c1dfe66d.zip llvm-c53c2058ffb8ff877702bb2dded31c85c1dfe66d.tar.gz llvm-c53c2058ffb8ff877702bb2dded31c85c1dfe66d.tar.bz2 | |
Cache uwnind frame headers as they are found.
Summary:
This improves unwind performance quite substantially, and follows
a somewhat similar approach used in libgcc_s as described in the
thread here:
https://gcc.gnu.org/ml/gcc/2005-02/msg00625.html
On certain extremely exception heavy internal tests, the time
drops from about 80 minutes to about five minutes.
Subscribers: libcxx-commits
Tags: #libc
Differential Revision: https://reviews.llvm.org/D75954
Diffstat (limited to 'llvm/lib/DebugInfo/CodeView/DebugChecksumsSubsection.cpp')
0 files changed, 0 insertions, 0 deletions