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[Bug lto/54980] [4.8 regression] gimple check: expected gimple_cond(error_mark), have gimple_call() in gimple_cond_set_lhs, at gimple.h:2578
- From: "dimhen at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 24 Oct 2012 10:00:18 +0000
- Subject: [Bug lto/54980] [4.8 regression] gimple check: expected gimple_cond(error_mark), have gimple_call() in gimple_cond_set_lhs, at gimple.h:2578
- Auto-submitted: auto-generated
- References: <bug-54980-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54980
--- Comment #9 from Dmitry G. Dyachenko <dimhen at gmail dot com> 2012-10-24 10:00:18 UTC ---
(In reply to comment #7)
> This does not seem to reproduce for me. The following patch should however fix
> it.
> Index: tree-ssa-loop-ivcanon.c
> ===================================================================
> --- tree-ssa-loop-ivcanon.c (revision 192711)
> +++ tree-ssa-loop-ivcanon.c (working copy)
> @@ -364,6 +364,10 @@ loop_edge_to_cancel (struct loop *loop)
> else
> edge_to_cancel = EDGE_SUCC (edge_to_cancel->src, 0);
>
> + /* We only can handle conditionals. */
> + if (!(edge_to_cancel->flags & (EDGE_TRUE_VALUE | EDGE_FALSE_VALUE)))
> + continue;
> +
> /* We should never have conditionals in the loop latch. */
> gcc_assert (edge_to_cancel->dest != loop->header);
i'll try patch. Thank You