https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84205
Bug ID: 84205
Summary: [8 Regression] [graphite] ICE in set_codegen_error, at
graphite-isl-ast-to-gimple.c:206
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Target: powerpc-*-linux-gnu*, powerpcspe-*-linux-gnu*,
i?86-*-*
gcc-8.0.0-alpha20180204 snapshot (r257367) ICEs when compiling the following
snippet w/ -O1 (-O2, -O3, -Ofast) -floop-nest-optimize -ftree-pre
-fno-tree-loop-im for 32-bit targets:
long long unsigned int od;
int zj, fk, ea;
void
ke (void)
{
if (od != 0 && zj != 0)
{
for (fk = 0; fk < 2; ++fk)
{
}
if (od == (long long unsigned int) zj)
zj = 0;
for (ea = 0; ea < 2; ++ea)
{
}
}
}
% powerpc-e300c3-linux-gnu-gcc-8.0.0-alpha20180204 -O1 -floop-nest-optimize
-ftree-pre -fno-tree-loop-im -c pqp2ihnp.c
during GIMPLE pass: graphite
pqp2ihnp.c: In function 'ke':
pqp2ihnp.c:5:1: internal compiler error: in set_codegen_error, at
graphite-isl-ast-to-gimple.c:206
ke (void)
^~
0x5836ba translate_isl_ast_to_gimple::set_codegen_error()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180204/work/gcc-8-20180204/gcc/graphite-isl-ast-to-gimple.c:205
0x13fc5e5 translate_isl_ast_to_gimple::set_codegen_error()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180204/work/gcc-8-20180204/gcc/graphite-isl-ast-to-gimple.c:311
0x13fc5e5
translate_isl_ast_to_gimple::gcc_expression_from_isl_expr_int(tree_node*,
isl_ast_expr*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180204/work/gcc-8-20180204/gcc/graphite-isl-ast-to-gimple.c:308
0x13fc7e7 translate_isl_ast_to_gimple::binary_op_to_tree(tree_node*,
isl_ast_expr*, std::map<isl_id*, tree_node*, std::less<isl_id*>,
std::allocator<std::pair<isl_id* const, tree_node*> > >&)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180204/work/gcc-8-20180204/gcc/graphite-isl-ast-to-gimple.c:339
0x13fc7ad translate_isl_ast_to_gimple::binary_op_to_tree(tree_node*,
isl_ast_expr*, std::map<isl_id*, tree_node*, std::less<isl_id*>,
std::allocator<std::pair<isl_id* const, tree_node*> > >&)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180204/work/gcc-8-20180204/gcc/graphite-isl-ast-to-gimple.c:322
0x13fd3b3 translate_isl_ast_to_gimple::graphite_create_new_guard(edge_def*,
isl_ast_expr*, std::map<isl_id*, tree_node*, std::less<isl_id*>,
std::allocator<std::pair<isl_id* const, tree_node*> > >&)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180204/work/gcc-8-20180204/gcc/graphite-isl-ast-to-gimple.c:872
0x1400035 translate_isl_ast_to_gimple::translate_isl_ast_node_if(loop*,
isl_ast_node*, edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>,
std::allocator<std::pair<isl_id* const, tree_node*> > >&)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180204/work/gcc-8-20180204/gcc/graphite-isl-ast-to-gimple.c:891
0x13fff65 translate_isl_ast_to_gimple::translate_isl_ast_node_block(loop*,
isl_ast_node*, edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>,
std::allocator<std::pair<isl_id* const, tree_node*> > >&)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180204/work/gcc-8-20180204/gcc/graphite-isl-ast-to-gimple.c:858
0x140044c graphite_regenerate_ast_isl(scop*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180204/work/gcc-8-20180204/gcc/graphite-isl-ast-to-gimple.c:1504
0x13fa66d graphite_transform_loops()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180204/work/gcc-8-20180204/gcc/graphite.c:413
0x13fbbef graphite_transforms
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180204/work/gcc-8-20180204/gcc/graphite.c:475
0x13fbbef execute
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180204/work/gcc-8-20180204/gcc/graphite.c:552
