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[Bug optimization/12662] [tree-ssa] ICE in cprop_into_phis, at tree-ssa-dom.c:1557
- From: "dberlin at dberlin dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 17 Oct 2003 17:28:23 -0000
- Subject: [Bug optimization/12662] [tree-ssa] ICE in cprop_into_phis, at tree-ssa-dom.c:1557
- References: <20031017164240.12662.lucier@math.purdue.edu>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12662
------- Additional Comments From dberlin at dberlin dot org 2003-10-17 17:28 -------
Subject: Re: [tree-ssa] ICE in cprop_into_phis, at tree-ssa-dom.c:1557
On Oct 17, 2003, at 1:21 PM, amacleod at redhat dot com wrote:
>
>
> It looks like there is something left over from PRE in the phi nodes
> for a block:
>
> This is the first PHI node for the block:
>
> p print_generic_stmt (stderr, $6, 64)
> EUSE () [class:-1 phiop:1 bb:7685 ]
>
Err, PRE doesn't put anything in the phi_nodes chain, so this is
certainly strange.
I'll see what's up.
:P
>
> If you compile with -fno-tree-pre the program finishes compilation.
>
> Andrew