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[Bug tree-optimization/70390] New: [6 Regression] internal compiler error: in copy_loop_close_phi_args, at graphite-isl-ast-to-gimple.c:2114
- From: "ktkachov at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 24 Mar 2016 10:01:08 +0000
- Subject: [Bug tree-optimization/70390] New: [6 Regression] internal compiler error: in copy_loop_close_phi_args, at graphite-isl-ast-to-gimple.c:2114
- Auto-submitted: auto-generated
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70390
Bug ID: 70390
Summary: [6 Regression] internal compiler error: in
copy_loop_close_phi_args, at
graphite-isl-ast-to-gimple.c:2114
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: ktkachov at gcc dot gnu.org
Target Milestone: ---
Target: aarch64
The testcase:
int a, c;
int *b;
short d, f;
static int e;
long g;
void
fn1 ()
{
a = 4;
for (; a >= 0; a--)
;
for (; c;)
for (; f <= 4; f++)
{
g &= a;
d = 0;
for (; d <= 4; d++)
e |= b[d];
}
}
ICEs for me on aarch64 with -O3 -floop-interchange (-O2 doesn't crash)
mycrash.c: In function 'fn1':
mycrash.c:7:1: internal compiler error: in copy_loop_close_phi_args, at
graphite-isl-ast-to-gimple.c:2114
fn1 ()
^~~
0x108da77
translate_isl_ast_to_gimple::copy_loop_close_phi_args(basic_block_def*,
basic_block_def*, bool)
$SRC/gcc/graphite-isl-ast-to-gimple.c:2114
0x108def3
translate_isl_ast_to_gimple::copy_loop_close_phi_nodes(basic_block_def*,
basic_block_def*)
$SRC/gcc/graphite-isl-ast-to-gimple.c:2183
0x108ead5
translate_isl_ast_to_gimple::copy_bb_and_scalar_dependences(basic_block_def*,
edge_def*, vec<tree_node*, va_heap, vl_ptr>)
$SRC/gcc/graphite-isl-ast-to-gimple.c:2715
0x108f608
translate_isl_ast_to_gimple::translate_isl_ast_node_user(isl_ast_node*,
edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>,
std::allocator<std::pair<isl_id* const, tree_node*> > >&)
$SRC/gcc/graphite-isl-ast-to-gimple.c:935
0x108f78f translate_isl_ast_to_gimple::translate_isl_ast(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*> > >&)
$SRC/gcc/graphite-isl-ast-to-gimple.c:1039
0x108fce0 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*> > >&)
$SRC/gcc/graphite-isl-ast-to-gimple.c:964
0x108f7a5 translate_isl_ast_to_gimple::translate_isl_ast(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*> > >&)
$SRC/gcc/graphite-isl-ast-to-gimple.c:1043
0x10902cc graphite_regenerate_ast_isl(scop*)
$SRC/gcc/graphite-isl-ast-to-gimple.c:3185
0x1086f15 graphite_transform_loops()
$SRC/gcc/graphite.c:329
0x10870ac graphite_transforms
$SRC/gcc/graphite.c:356
0x10870ac execute
$SRC/gcc/graphite.c:433
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