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[Bug rtl-optimization/68435] [6 Regression] Missed if-conversion optimization
- From: "ysrumyan at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 20 Nov 2015 09:03:04 +0000
- Subject: [Bug rtl-optimization/68435] [6 Regression] Missed if-conversion optimization
- Auto-submitted: auto-generated
- References: <bug-68435-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68435
--- Comment #6 from Yuri Rumyantsev <ysrumyan at gmail dot com> ---
It turned out that fresh gcc performs tail duplication (aka path splitting)
preventing if-conversion. So I post a dump for 20150929 compiler which
reproduces the issue.