[Bug tree-optimization/44686] New: [4.6 Regression] ICE: in gimple_op, at gimple.h:1664 with -fipa-pta -fprofile-generate

[Bug tree-optimization/44686] New: [4.6 Regression] ICE: in gimple_op, at gimple.h:1664 with -fipa-pta -fprofile-generate

[zsojka at seznam dot cz]

Command line:
$ gcc -O2 -fipa-pta -fprofile-generate testcase.c

Compiler output:
$ gcc -O2 -fipa-pta -fprofile-generate testcase.c
testcase.c: In function 'memcpy':
testcase.c:6:1: internal compiler error: in gimple_op, at gimple.h:1664
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r161428 - crash
r161383 - crash
r161170 - OK
4.5 r160526 - OK


-- 
           Summary: [4.6 Regression] ICE: in gimple_op, at gimple.h:1664
                    with -fipa-pta -fprofile-generate
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: zsojka at seznam dot cz
  GCC host triplet: x86_64-pc-linux-gnu
GCC target triplet: x86_64-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44686

[Bug tree-optimization/44686] [4.6 Regression] ICE: in gimple_op, at gimple.h:1664 with -fipa-pta -fprofile-generate

[zsojka at seznam dot cz]

------- Comment #1 from zsojka at seznam dot cz  2010-06-27 09:19 -------
Created an attachment (id=21014)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21014&action=view)
reduced testcase

Reduced from code that often appears in the testsuite.

Command line:
$ gcc -O2 -fipa-pta -fprofile-generate pr44686.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44686

[Bug tree-optimization/44686] [4.6 Regression] ICE: in gimple_op, at gimple.h:1664 with -fipa-pta -fprofile-generate

[rguenth at gcc dot gnu dot org]

-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.6.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44686

[Bug tree-optimization/44686] [4.6 Regression] ICE: in gimple_op, at gimple.h:1664 with -fipa-pta -fprofile-generate

[rguenth at gcc dot gnu dot org]

------- Comment #2 from rguenth at gcc dot gnu dot org  2010-06-27 10:27 -------
builtins shouldn't be versioned.

(gdb) call debug_gimple_stmt (t)
# VUSE <.MEM_9>
memcpy._part.0 ();


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jamborm at gcc dot gnu dot
                   |                            |org, hubicka at gcc dot gnu
                   |                            |dot org
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2010-06-27 10:27:04
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44686

[Bug tree-optimization/44686] [4.5/4.6 Regression] ICE: in gimple_op, at gimple.h:1664 with -fipa-pta -fprofile-generate

[rguenth at gcc dot gnu dot org]

------- Comment #3 from rguenth at gcc dot gnu dot org  2010-06-27 10:31 -------
Latent on at least the 4.5 branch with IPA-SRA or anything that can modify
a functions signature.


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[4.6 Regression] ICE: in    |[4.5/4.6 Regression] ICE: in
                   |gimple_op, at gimple.h:1664 |gimple_op, at gimple.h:1664
                   |with -fipa-pta -fprofile-   |with -fipa-pta -fprofile-
                   |generate                    |generate
   Target Milestone|4.6.0                       |4.5.1


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44686

[Bug tree-optimization/44686] [4.5/4.6 Regression] ICE: in gimple_op, at gimple.h:1664 with -fipa-pta -fprofile-generate

[hubicka at gcc dot gnu dot org]

------- Comment #4 from hubicka at gcc dot gnu dot org  2010-06-28 00:10 -------
Subject: Bug 44686

Author: hubicka
Date: Mon Jun 28 00:10:34 2010
New Revision: 161476

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=161476
Log:

        PR middle-end/44671
        PR middle-end/44686
        * tree.c (build_function_decl_skip_args): Clear DECL_BUILT_IN on
signature
        change.
        * ipa-split.c (split_function): Always clear DECL_BUILT_IN.
        * ipa-prop.c (ipa_modify_formal_parameters): Likewise.

        * gcc.c-torture/pr44686.c: New file.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr44686.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-prop.c
    trunk/gcc/ipa-split.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44686

[Bug tree-optimization/44686] [4.5 Regression] ICE: in gimple_op, at gimple.h:1664 with -fipa-pta -fprofile-generate

[rguenth at gcc dot gnu dot org]

------- Comment #5 from rguenth at gcc dot gnu dot org  2010-06-28 09:14 -------
Fixed on trunk sofar.


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |4.6.0
            Summary|[4.5/4.6 Regression] ICE: in|[4.5 Regression] ICE: in
                   |gimple_op, at gimple.h:1664 |gimple_op, at gimple.h:1664
                   |with -fipa-pta -fprofile-   |with -fipa-pta -fprofile-
                   |generate                    |generate


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44686

[Bug tree-optimization/44686] [4.5 Regression] ICE: in gimple_op, at gimple.h:1664 with -fipa-pta -fprofile-generate

[hubicka at gcc dot gnu dot org]

------- Comment #6 from hubicka at gcc dot gnu dot org  2010-06-30 22:30 -------
Subject: Bug 44686

Author: hubicka
Date: Wed Jun 30 22:30:12 2010
New Revision: 161646

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=161646
Log:

        Backport from mainline

        2010-06-27  Jan Hubicka  <jh@suse.cz>

        PR middle-end/44671
        PR middle-end/44686
        * tree.c (build_function_decl_skip_args): Clear DECL_BUILT_IN on
        signature change.
        * ipa-split.c (split_function): Always clear DECL_BUILT_IN.
        * ipa-prop.c (ipa_modify_formal_parameters): Likewise.

        2010-06-28  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/44357
        * ipa-inline.c (add_new_edges_to_heap): Do not add edges to uninlinable
        functions.

Modified:
    branches/gcc-4_5-branch/gcc/ChangeLog
    branches/gcc-4_5-branch/gcc/ipa-inline.c
    branches/gcc-4_5-branch/gcc/ipa-prop.c
    branches/gcc-4_5-branch/gcc/tree.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44686

[Bug tree-optimization/44686] [4.5 Regression] ICE: in gimple_op, at gimple.h:1664 with -fipa-pta -fprofile-generate

[rguenth at gcc dot gnu dot org]

------- Comment #7 from rguenth at gcc dot gnu dot org  2010-07-22 08:53 -------
Fixed.


-- 

rguenth at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44686