[PATCH] D107529: [llvm-profgen] Fix bug of loop scope mismatch

[Lei Wang via Phabricator via llvm-commits]

wlei added a subscriber: spupyrev.
wlei added a comment.

In D107529#2927429 <https://reviews.llvm.org/D107529#2927429>, @wenlei wrote:

> Good catch! Is this cause of the slow down we saw today and is this a regression?

Yes, it's today's slowing down, I reproduced @spupyrev 's script and saw 99% of the time spent is in line 525 loop and the loop size is 100,000+. Sinking the code there can speed up the case.


Repository:
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  https://reviews.llvm.org/D107529/new/

https://reviews.llvm.org/D107529