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[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case
- From: "dberlin at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 Dec 2004 00:44:52 -0000
- Subject: [Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case
- References: <20041202193143.18792.fjahanian@apple.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From dberlin at gcc dot gnu dot org 2004-12-03 00:44 -------
This happens because the loops aren't numbered as we expect them (we expect that
loop nests have sequential numbers as you move inwards)
IE
loop 1
loop 2
loop 3
loop 4
loop 5
loop 6
Here we end up with
loop 1
loop 4
loop 2
loop 3
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18792