http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47019
Summary: [4.6 Regression] ICE: in rename_uses, at sese.c:535
with -O -ftree-pre -fgraphite-identity
-fno-tree-copy-prop
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: zso...@seznam.cz
CC: s...@gcc.gnu.org
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 22827
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22827
reduced testcase (from pr43097.f)
Compiler output:
$ gcc -O -ftree-pre -fgraphite-identity -fno-tree-copy-prop pr47019.f
pr47019.f: In function 'foo':
pr47019.f:1:0: internal compiler error: in rename_uses, at sese.c:535
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
(gdb) bt
#0 fancy_abort (file=0x13aabe2 "/mnt/svn/gcc-trunk/gcc/sese.c", line=535,
function=0x13aae34 "rename_uses")
at /mnt/svn/gcc-trunk/gcc/diagnostic.c:892
#1 0x00000000010aa42a in rename_uses (bb=<value optimized out>,
region=0x1842bf0, next_e=<value optimized out>,
iv_map=0x1893720) at /mnt/svn/gcc-trunk/gcc/sese.c:535
#2 graphite_copy_stmts_from_block (bb=<value optimized out>, region=0x1842bf0,
next_e=<value optimized out>,
iv_map=0x1893720) at /mnt/svn/gcc-trunk/gcc/sese.c:618
#3 copy_bb_and_scalar_dependences (bb=<value optimized out>, region=0x1842bf0,
next_e=<value optimized out>,
iv_map=0x1893720) at /mnt/svn/gcc-trunk/gcc/sese.c:638
#4 0x000000000102b4ba in translate_clast_user (region=<value optimized out>,
context_loop=0x7ffff7ecfaa0,
stmt=<value optimized out>, next_e=0x7ffff5ccea80, newivs=0x7fffffffd648,
newivs_index=0x1882570,
bb_pbb_mapping=0x1855710, level=3, params_index=0x1882c60) at
/mnt/svn/gcc-trunk/gcc/graphite-clast-to-gimple.c:947
#5 translate_clast (region=<value optimized out>, context_loop=0x7ffff7ecfaa0,
stmt=<value optimized out>,
next_e=0x7ffff5ccea80, newivs=0x7fffffffd648, newivs_index=0x1882570,
bb_pbb_mapping=0x1855710, level=3,
params_index=0x1882c60) at
/mnt/svn/gcc-trunk/gcc/graphite-clast-to-gimple.c:1115
#6 0x000000000102b145 in translate_clast_for_loop (region=<value optimized
out>, context_loop=0x7ffff7ecfa18,
stmt=<value optimized out>, next_e=0x7ffff5cca6e0, newivs=0x7fffffffd648,
newivs_index=0x1882570,
bb_pbb_mapping=0x1855710, level=2, params_index=0x1882c60) at
/mnt/svn/gcc-trunk/gcc/graphite-clast-to-gimple.c:1032
#7 translate_clast_for (region=<value optimized out>,
context_loop=0x7ffff7ecfa18, stmt=<value optimized out>,
next_e=0x7ffff5cca6e0, newivs=0x7fffffffd648, newivs_index=0x1882570,
bb_pbb_mapping=0x1855710, level=2,
params_index=0x1882c60) at
/mnt/svn/gcc-trunk/gcc/graphite-clast-to-gimple.c:1065
#8 translate_clast (region=<value optimized out>, context_loop=0x7ffff7ecfa18,
stmt=<value optimized out>,
next_e=0x7ffff5cca6e0, newivs=0x7fffffffd648, newivs_index=0x1882570,
bb_pbb_mapping=0x1855710, level=2,
params_index=0x1882c60) at
/mnt/svn/gcc-trunk/gcc/graphite-clast-to-gimple.c:1120
#9 0x000000000102b145 in translate_clast_for_loop (region=<value optimized
out>, context_loop=0x7ffff7ecfe58,
stmt=<value optimized out>, next_e=0x7ffff5cca6e0, newivs=0x7fffffffd648,
newivs_index=0x1882570,
bb_pbb_mapping=0x1855710, level=1, params_index=0x1882c60) at
/mnt/svn/gcc-trunk/gcc/graphite-clast-to-gimple.c:1032
#10 translate_clast_for (region=<value optimized out>,
context_loop=0x7ffff7ecfe58, stmt=<value optimized out>,
next_e=0x7ffff5cca6e0, newivs=0x7fffffffd648, newivs_index=0x1882570,
bb_pbb_mapping=0x1855710, level=1,
params_index=0x1882c60) at
/mnt/svn/gcc-trunk/gcc/graphite-clast-to-gimple.c:1065
#11 translate_clast (region=<value optimized out>, context_loop=0x7ffff7ecfe58,
stmt=<value optimized out>,
next_e=0x7ffff5cca6e0, newivs=0x7fffffffd648, newivs_index=0x1882570,
bb_pbb_mapping=0x1855710, level=1,
params_index=0x1882c60) at
/mnt/svn/gcc-trunk/gcc/graphite-clast-to-gimple.c:1120
#12 0x000000000102c3d5 in gloog (scop=<value optimized out>,
bb_pbb_mapping=0x1855710)
at /mnt/svn/gcc-trunk/gcc/graphite-clast-to-gimple.c:1557
#13 0x00000000010294d2 in graphite_transform_loops () at
/mnt/svn/gcc-trunk/gcc/graphite.c:286
#14 0x0000000000a15327 in graphite_transforms () at
/mnt/svn/gcc-trunk/gcc/tree-ssa-loop.c:296
#15 0x000000000084f736 in execute_one_pass (pass=0x16b2a60) at
/mnt/svn/gcc-trunk/gcc/passes.c:1553
#16 0x000000000084fa25 in execute_pass_list (pass=0x16b2a60) at
/mnt/svn/gcc-trunk/gcc/passes.c:1608
#17 0x000000000084fa37 in execute_pass_list (pass=0x16b2ac0) at
/mnt/svn/gcc-trunk/gcc/passes.c:1609
#18 0x000000000084fa37 in execute_pass_list (pass=0x16b2d60) at
/mnt/svn/gcc-trunk/gcc/passes.c:1609
#19 0x000000000084fa37 in execute_pass_list (pass=0x16b1f20) at
/mnt/svn/gcc-trunk/gcc/passes.c:1609
#20 0x000000000098fc46 in tree_rest_of_compilation (fndecl=0x7ffff7fc1e00) at
/mnt/svn/gcc-trunk/gcc/tree-optimize.c:422
#21 0x0000000000b54ef2 in cgraph_expand_function (node=0x7ffff5cba000) at
/mnt/svn/gcc-trunk/gcc/cgraphunit.c:1508
#22 0x0000000000b575ca in cgraph_expand_all_functions () at
/mnt/svn/gcc-trunk/gcc/cgraphunit.c:1567
#23 cgraph_optimize () at /mnt/svn/gcc-trunk/gcc/cgraphunit.c:1827
#24 0x0000000000b57b4a in cgraph_finalize_compilation_unit () at
/mnt/svn/gcc-trunk/gcc/cgraphunit.c:1031
#25 0x0000000000808acd in write_global_declarations () at
/mnt/svn/gcc-trunk/gcc/langhooks.c:303
#26 0x0000000000939516 in compile_file (argc=18, argv=0x7fffffffda38) at
/mnt/svn/gcc-trunk/gcc/toplev.c:591
#27 do_compile (argc=18, argv=0x7fffffffda38) at
/mnt/svn/gcc-trunk/gcc/toplev.c:1874
#28 toplev_main (argc=18, argv=0x7fffffffda38) at
/mnt/svn/gcc-trunk/gcc/toplev.c:1937
#29 0x00007ffff6586bbd in __libc_start_main () from /lib/libc.so.6
#30 0x00000000004fe695 in _start ()
Tested revisions:
r168061 - crash
r165699 - crash
r161659 - OK
4.5 r168062 - OK
