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* [Bug tree-optimization/46036] New: [4.6 Regression] verify_ssa failed: definition in block 3 follows the use
@ 2010-10-15 14:12 rguenth at gcc dot gnu.org
2010-10-15 14:13 ` [Bug tree-optimization/46036] " rguenth at gcc dot gnu.org
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2010-10-15 14:12 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46036
Summary: [4.6 Regression] verify_ssa failed: definition in
block 3 follows the use
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: rguenth@gcc.gnu.org
function no_of_edges(self) result(res)
integer(kind=kind(1)) :: edge_bit_string
integer(kind=kind(1)) :: res
integer(kind=kind(1)) :: e
do e = 0, 11
if (.not. btest(edge_bit_string,e)) cycle
res = res + 1
end do
end function
> ./f951 -quiet -O -ftree-vectorize -flto t.f90
t.f90: In function 'no_of_edges_':
t.f90:1:0: error: definition in block 3 follows the use
for SSA_NAME: D.1536_19 in statement:
res_3 = [cond_expr] D.1536_19 ? res_12 : res_2;
t.f90:1:0: internal compiler error: verify_ssa failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
for some reason needs -flto to trigger. if-conversion produces:
<bb 3>:
# e_1 = PHI <0(2), e_14(4)>
# res_2 = PHI <res_6(D)(2), res_3(4)>
# ivtmp.2_17 = PHI <12(2), ivtmp.2_18(4)>
D.1524_8 = edge_bit_string_7(D) >> e_1;
D.1525_9 = D.1524_8 & 1;
D.1526_10 = (logical(kind=4)) D.1525_9;
res_12 = res_2 + 1;
res_3 = [cond_expr] D.1536_19 ? res_12 : res_2;
e_14 = e_1 + 1;
ivtmp.2_18 = ivtmp.2_17 - 1;
D.1536_19 = (<unnamed type>) D.1526_10;
D.1537_20 = !D.1536_19;
D.1538_21 = D.1536_19 || D.1537_20;
if (ivtmp.2_18 == 0)
goto <bb 5>;
else
goto <bb 4>;
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/46036] [4.6 Regression] verify_ssa failed: definition in block 3 follows the use
2010-10-15 14:12 [Bug tree-optimization/46036] New: [4.6 Regression] verify_ssa failed: definition in block 3 follows the use rguenth at gcc dot gnu.org
@ 2010-10-15 14:13 ` rguenth at gcc dot gnu.org
2010-10-26 1:03 ` jakub at gcc dot gnu.org
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2010-10-15 14:13 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46036
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |lto
CC| |spop at gcc dot gnu.org
Target Milestone|--- |4.6.0
--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-10-15 14:13:09 UTC ---
This breaks 465.tonto with LTO.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/46036] [4.6 Regression] verify_ssa failed: definition in block 3 follows the use
2010-10-15 14:12 [Bug tree-optimization/46036] New: [4.6 Regression] verify_ssa failed: definition in block 3 follows the use rguenth at gcc dot gnu.org
2010-10-15 14:13 ` [Bug tree-optimization/46036] " rguenth at gcc dot gnu.org
@ 2010-10-26 1:03 ` jakub at gcc dot gnu.org
2010-11-03 20:52 ` spop at gcc dot gnu.org
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: jakub at gcc dot gnu.org @ 2010-10-26 1:03 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46036
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
Status|UNCONFIRMED |NEW
Last reconfirmed| |2010.10.26 01:03:32
CC| |jakub at gcc dot gnu.org
Ever Confirmed|0 |1
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/46036] [4.6 Regression] verify_ssa failed: definition in block 3 follows the use
2010-10-15 14:12 [Bug tree-optimization/46036] New: [4.6 Regression] verify_ssa failed: definition in block 3 follows the use rguenth at gcc dot gnu.org
2010-10-15 14:13 ` [Bug tree-optimization/46036] " rguenth at gcc dot gnu.org
2010-10-26 1:03 ` jakub at gcc dot gnu.org
@ 2010-11-03 20:52 ` spop at gcc dot gnu.org
2010-11-05 22:02 ` spop at gcc dot gnu.org
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: spop at gcc dot gnu.org @ 2010-11-03 20:52 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46036
Sebastian Pop <spop at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
--- Comment #2 from Sebastian Pop <spop at gcc dot gnu.org> 2010-11-03 20:52:18 UTC ---
Mine.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/46036] [4.6 Regression] verify_ssa failed: definition in block 3 follows the use
2010-10-15 14:12 [Bug tree-optimization/46036] New: [4.6 Regression] verify_ssa failed: definition in block 3 follows the use rguenth at gcc dot gnu.org
` (2 preceding siblings ...)
2010-11-03 20:52 ` spop at gcc dot gnu.org
@ 2010-11-05 22:02 ` spop at gcc dot gnu.org
2010-11-09 19:23 ` spop at gcc dot gnu.org
2010-11-09 19:24 ` spop at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: spop at gcc dot gnu.org @ 2010-11-05 22:02 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46036
--- Comment #3 from Sebastian Pop <spop at gcc dot gnu.org> 2010-11-05 22:01:34 UTC ---
Created attachment 22299
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22299
patch
Here is a patch that solves the problem.
Not tested yet.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/46036] [4.6 Regression] verify_ssa failed: definition in block 3 follows the use
2010-10-15 14:12 [Bug tree-optimization/46036] New: [4.6 Regression] verify_ssa failed: definition in block 3 follows the use rguenth at gcc dot gnu.org
` (3 preceding siblings ...)
2010-11-05 22:02 ` spop at gcc dot gnu.org
@ 2010-11-09 19:23 ` spop at gcc dot gnu.org
2010-11-09 19:24 ` spop at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: spop at gcc dot gnu.org @ 2010-11-09 19:23 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46036
--- Comment #4 from Sebastian Pop <spop at gcc dot gnu.org> 2010-11-09 19:23:47 UTC ---
Author: spop
Date: Tue Nov 9 19:23:43 2010
New Revision: 166508
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166508
Log:
Fix PR46036.
2010-11-09 Sebastian Pop <sebastian.pop@amd.com>
PR tree-optimization/46036
* tree-if-conv.c (predicate_bbs): Call unshare_expr before
add_to_dst_predicate_list.
* gfortran.dg/lto/pr46036_0.f90: New.
Added:
trunk/gcc/testsuite/gfortran.dg/lto/pr46036_0.f90
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-if-conv.c
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/46036] [4.6 Regression] verify_ssa failed: definition in block 3 follows the use
2010-10-15 14:12 [Bug tree-optimization/46036] New: [4.6 Regression] verify_ssa failed: definition in block 3 follows the use rguenth at gcc dot gnu.org
` (4 preceding siblings ...)
2010-11-09 19:23 ` spop at gcc dot gnu.org
@ 2010-11-09 19:24 ` spop at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: spop at gcc dot gnu.org @ 2010-11-09 19:24 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46036
Sebastian Pop <spop at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #5 from Sebastian Pop <spop at gcc dot gnu.org> 2010-11-09 19:24:31 UTC ---
Fixed.
^ permalink raw reply [flat|nested] 7+ messages in thread
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2010-10-15 14:12 [Bug tree-optimization/46036] New: [4.6 Regression] verify_ssa failed: definition in block 3 follows the use rguenth at gcc dot gnu.org
2010-10-15 14:13 ` [Bug tree-optimization/46036] " rguenth at gcc dot gnu.org
2010-10-26 1:03 ` jakub at gcc dot gnu.org
2010-11-03 20:52 ` spop at gcc dot gnu.org
2010-11-05 22:02 ` spop at gcc dot gnu.org
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