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From: "rguenther at suse dot de" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug middle-end/64928] [8/9/10/11 Regression] Inordinate cpu time
 and memory usage in "phase opt and generate" with -ftest-coverage
 -fprofile-arcs
Date: Tue, 29 Sep 2020 13:06:17 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D64928

--- Comment #33 from rguenther at suse dot de <rguenther at suse dot de> ---
On Tue, 29 Sep 2020, lucier at math dot purdue.edu wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D64928
>=20
> --- Comment #32 from lucier at math dot purdue.edu ---
> I don't know precisely what you're saying, but it compiles fine without t=
he
> instrumentation.

Yes - the instrumentation does complicate the IL but the instrumentation
should be already better than linear in the blocks.=