commit | 3dd5724d79c668ae179ed27bc1b16538a145503d | [log] [tgz] |
---|---|---|
author | Vedant Kumar <vsk@apple.com> | Tue Feb 13 22:27:17 2018 +0000 |
committer | Vedant Kumar <vsk@apple.com> | Tue Feb 13 22:27:17 2018 +0000 |
tree | fc043041bdf62cdb1b97c9d5c3cb1f406b6c3298 | |
parent | 96c99810d80d4e000b88bf726499d25cb4726bb5 [diff] |
[GVN] Salvage debug info from dead insts This preserves an additional 581 unique source variables in a stage2 build of clang (according to `llvm-dwarfdump --statistics`). It increases the size of the .debug_loc section by 0.1% (or 87139 bytes). Differential Revision: https://reviews.llvm.org/D43255 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@325063 91177308-0d34-0410-b5e6-96231b3b80d8