[lld] [LLD] Do not combine cg_profile from obj and ordering file (PR #121325)
Haohai Wen via llvm-commits
llvm-commits at lists.llvm.org
Sat Jan 4 18:06:55 PST 2025
HaohaiWen wrote:
> Makes sense. I believe that --call-graph-ordering-file is under-utilized and the interaction wasn't well studied. Have you tried some examples where not aggregation provides larger performance win?
Not yet. I was trying to feed precise call graph profile to lld and found the reorder behavior was not expected due to this issue.
https://github.com/llvm/llvm-project/pull/121325
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