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re PR debug/42897 (yet another ice in verify_ssa) 

PR debug/42897
* tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
uses of relevant DEFs that are dead outside the loop too.

From-SVN: r157258
This commit is contained in:
Alexandre Oliva 2010-03-06 20:28:04 +00:00 committed by Alexandre Oliva
parent 60d7a09b06
commit aba09491c2
2 changed files with 13 additions and 7 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2010-03-06 Alexandre Oliva <aoliva@redhat.com>
PR debug/42897
* tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
uses of relevant DEFs that are dead outside the loop too.
2010-03-06 Alexandre Oliva <aoliva@redhat.com> 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
* var-tracking.c (dataflow_set_merge): Swap src and src2. * var-tracking.c (dataflow_set_merge): Swap src and src2.

14
gcc/tree-vect-loop.c
View File

@ -4236,13 +4236,12 @@ vect_transform_loop (loop_vec_info loop_vinfo)
if (!stmt_info) if (!stmt_info)
continue; continue;
if (MAY_HAVE_DEBUG_STMTS && !STMT_VINFO_LIVE_P (stmt_info))
vect_loop_kill_debug_uses (loop, phi);
if (!STMT_VINFO_RELEVANT_P (stmt_info) if (!STMT_VINFO_RELEVANT_P (stmt_info)
&& !STMT_VINFO_LIVE_P (stmt_info)) && !STMT_VINFO_LIVE_P (stmt_info))
{ continue;
if (MAY_HAVE_DEBUG_STMTS)
vect_loop_kill_debug_uses (loop, phi);
continue;
}
if ((TYPE_VECTOR_SUBPARTS (STMT_VINFO_VECTYPE (stmt_info)) if ((TYPE_VECTOR_SUBPARTS (STMT_VINFO_VECTYPE (stmt_info))
!= (unsigned HOST_WIDE_INT) vectorization_factor) != (unsigned HOST_WIDE_INT) vectorization_factor)
@ -4279,11 +4278,12 @@ vect_transform_loop (loop_vec_info loop_vinfo)
continue; continue;
} }
if (MAY_HAVE_DEBUG_STMTS && !STMT_VINFO_LIVE_P (stmt_info))
vect_loop_kill_debug_uses (loop, stmt);
if (!STMT_VINFO_RELEVANT_P (stmt_info) if (!STMT_VINFO_RELEVANT_P (stmt_info)
&& !STMT_VINFO_LIVE_P (stmt_info)) && !STMT_VINFO_LIVE_P (stmt_info))
{ {
if (MAY_HAVE_DEBUG_STMTS)
vect_loop_kill_debug_uses (loop, stmt);
gsi_next (&si); gsi_next (&si);
continue; continue;
} }