[PATCH] D111577: [llvm-profgen] Ignore stack samples before aggregation

[Lei Wang via Phabricator via llvm-commits]

wlei added a comment.

In D111577#3058710 <https://reviews.llvm.org/D111577#3058710>, @wenlei wrote:

> lgtm, thanks. do you see this making AutoFDO profile generation faster? and by how much?

Tested on clang-10 build, it can make profile generation a little bit faster, around 3%.


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