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* [Bug tree-optimization/55111] New: ICE: tree check: expected ssa_name, have integer_cst in live_on_edge, at tree-vrp.c:89
@ 2012-10-28 19:17 antoine.balestrat at gmail dot com
  2012-10-29 13:42 ` [Bug tree-optimization/55111] " mpolacek at gcc dot gnu.org
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: antoine.balestrat at gmail dot com @ 2012-10-28 19:17 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55111

             Bug #: 55111
           Summary: ICE: tree check: expected ssa_name, have integer_cst
                    in live_on_edge, at tree-vrp.c:89
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: antoine.balestrat@gmail.com


With GCC 4.8.0 as of 20121021, at -O2 and higher :

$ cat ssa.c
int a, b, c;
long d;
unsigned long *e;

int f(void)
{
    for(;; a++)
    {
        if(c)
        {
            for(b = d = 0; b < 1; b++)
                e = &d;

            --*e;

            if(d > 0)
                a = 0;

            return d;
        }
    }
}

$ xgcc -O2 -w ssa.c
ssa.c: In function ‘f’:
ssa.c:5:5: internal compiler error: tree check: expected ssa_name, have
integer_cst in live_on_edge, at tree-vrp.c:89
 int f(void)
     ^
linux-vdso.so.1: No such file or directory
0xa90b9a tree_check_failed(tree_node const*, char const*, int, char const*,
...)
    ../../srcdir/gcc/tree.c:8896
0xa7650d tree_check
    ../../srcdir/gcc/tree.h:3676
0xa7650d live_on_edge
    ../../srcdir/gcc/tree-vrp.c:89
0xa7ce9a register_edge_assert_for_2
    ../../srcdir/gcc/tree-vrp.c:4736
0xa7e4e0 register_edge_assert_for
    ../../srcdir/gcc/tree-vrp.c:5216
0xa81734 find_conditional_asserts
    ../../srcdir/gcc/tree-vrp.c:5304
0xa81734 find_assert_locations_1
    ../../srcdir/gcc/tree-vrp.c:5518
0xa88136 find_assert_locations
    ../../srcdir/gcc/tree-vrp.c:5658
0xa88136 insert_range_assertions
    ../../srcdir/gcc/tree-vrp.c:5846
0xa88136 execute_vrp
    ../../srcdir/gcc/tree-vrp.c:9156
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug tree-optimization/55111] ICE: tree check: expected ssa_name, have integer_cst in live_on_edge, at tree-vrp.c:89
  2012-10-28 19:17 [Bug tree-optimization/55111] New: ICE: tree check: expected ssa_name, have integer_cst in live_on_edge, at tree-vrp.c:89 antoine.balestrat at gmail dot com
@ 2012-10-29 13:42 ` mpolacek at gcc dot gnu.org
  2012-10-29 14:46 ` [Bug tree-optimization/55111] [4.8 Regression] " rguenth at gcc dot gnu.org
                   ` (3 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2012-10-29 13:42 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55111

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2012-10-29
                 CC|                            |mpolacek at gcc dot
                   |                            |gnu.org, rguenth at gcc dot
                   |                            |gnu.org
     Ever Confirmed|0                           |1

--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> 2012-10-29 13:41:48 UTC ---
Started with http://gcc.gnu.org/viewcvs?view=revision&revision=191225


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug tree-optimization/55111] [4.8 Regression] ICE: tree check: expected ssa_name, have integer_cst in live_on_edge, at tree-vrp.c:89
  2012-10-28 19:17 [Bug tree-optimization/55111] New: ICE: tree check: expected ssa_name, have integer_cst in live_on_edge, at tree-vrp.c:89 antoine.balestrat at gmail dot com
  2012-10-29 13:42 ` [Bug tree-optimization/55111] " mpolacek at gcc dot gnu.org
@ 2012-10-29 14:46 ` rguenth at gcc dot gnu.org
  2012-10-30 10:28 ` rguenth at gcc dot gnu.org
                   ` (2 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-10-29 14:46 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55111

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
         AssignedTo|unassigned at gcc dot       |rguenth at gcc dot gnu.org
                   |gnu.org                     |
   Target Milestone|---                         |4.8.0
            Summary|ICE: tree check: expected   |[4.8 Regression] ICE: tree
                   |ssa_name, have integer_cst  |check: expected ssa_name,
                   |in live_on_edge, at         |have integer_cst in
                   |tree-vrp.c:89               |live_on_edge, at
                   |                            |tree-vrp.c:89

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> 2012-10-29 14:46:08 UTC ---
Mine then, even if patch and backtrace look unrelated.


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug tree-optimization/55111] [4.8 Regression] ICE: tree check: expected ssa_name, have integer_cst in live_on_edge, at tree-vrp.c:89
  2012-10-28 19:17 [Bug tree-optimization/55111] New: ICE: tree check: expected ssa_name, have integer_cst in live_on_edge, at tree-vrp.c:89 antoine.balestrat at gmail dot com
  2012-10-29 13:42 ` [Bug tree-optimization/55111] " mpolacek at gcc dot gnu.org
  2012-10-29 14:46 ` [Bug tree-optimization/55111] [4.8 Regression] " rguenth at gcc dot gnu.org
@ 2012-10-30 10:28 ` rguenth at gcc dot gnu.org
  2012-10-30 12:03 ` rguenth at gcc dot gnu.org
  2012-10-30 12:03 ` rguenth at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-10-30 10:28 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55111

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> 2012-10-30 10:27:51 UTC ---
We have an unfolded stmt:

(gdb) call debug_gimple_stmt (def_stmt)
pretmp_36 = (long int) 18446744073709551615;

I have a patch.


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug tree-optimization/55111] [4.8 Regression] ICE: tree check: expected ssa_name, have integer_cst in live_on_edge, at tree-vrp.c:89
  2012-10-28 19:17 [Bug tree-optimization/55111] New: ICE: tree check: expected ssa_name, have integer_cst in live_on_edge, at tree-vrp.c:89 antoine.balestrat at gmail dot com
                   ` (2 preceding siblings ...)
  2012-10-30 10:28 ` rguenth at gcc dot gnu.org
@ 2012-10-30 12:03 ` rguenth at gcc dot gnu.org
  2012-10-30 12:03 ` rguenth at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-10-30 12:03 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55111

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> 2012-10-30 12:02:45 UTC ---
Author: rguenth
Date: Tue Oct 30 12:02:39 2012
New Revision: 192984

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192984
Log:
2012-10-30  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/55111
    * tree-ssa-pre.c (eliminate_insert): Properly fold the built
    stmt.

    * gcc.dg/torture/pr55111.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr55111.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-pre.c


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug tree-optimization/55111] [4.8 Regression] ICE: tree check: expected ssa_name, have integer_cst in live_on_edge, at tree-vrp.c:89
  2012-10-28 19:17 [Bug tree-optimization/55111] New: ICE: tree check: expected ssa_name, have integer_cst in live_on_edge, at tree-vrp.c:89 antoine.balestrat at gmail dot com
                   ` (3 preceding siblings ...)
  2012-10-30 12:03 ` rguenth at gcc dot gnu.org
@ 2012-10-30 12:03 ` rguenth at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-10-30 12:03 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55111

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> 2012-10-30 12:03:12 UTC ---
Fixed.


^ permalink raw reply	[flat|nested] 6+ messages in thread

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2012-10-28 19:17 [Bug tree-optimization/55111] New: ICE: tree check: expected ssa_name, have integer_cst in live_on_edge, at tree-vrp.c:89 antoine.balestrat at gmail dot com
2012-10-29 13:42 ` [Bug tree-optimization/55111] " mpolacek at gcc dot gnu.org
2012-10-29 14:46 ` [Bug tree-optimization/55111] [4.8 Regression] " rguenth at gcc dot gnu.org
2012-10-30 10:28 ` rguenth at gcc dot gnu.org
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