llvm-project/clang/include
Arthur Eubanks d0a5f61c4f [clang] Support -clear-ast-before-backend without -disable-free
Previously without -disable-free, -clear-ast-before-backend would crash in ~ASTContext() due to various reasons.
This works around that by doing a lot of the cleanup ahead of the destructor so that the destructor doesn't actually do any manual cleanup if we've already cleaned up beforehand.

This actually does save a measurable amount of memory with -clear-ast-before-backend, although at an almost unnoticeable runtime cost:
https://llvm-compile-time-tracker.com/compare.php?from=5d755b32f2775b9219f6d6e2feda5e1417dc993b&to=58ef1c7ad7e2ad45f9c97597905a8cf05a26258c&stat=max-rss

Previously we weren't doing any cleanup with -disable-free, so I tried measuring the impact of always doing the cleanup and didn't measure anything noticeable on llvm-compile-time-tracker.

Reviewed By: dblaikie

Differential Revision: https://reviews.llvm.org/D111767
2021-10-14 13:43:53 -07:00
..
clang [clang] Support -clear-ast-before-backend without -disable-free 2021-10-14 13:43:53 -07:00
clang-c OpenMP 5.0 metadirective 2021-09-18 13:40:44 -05:00
CMakeLists.txt