https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69160
Bug ID: 69160
Summary: [6 Regression] ICE in vect_get_vec_def_for_operand, at
tree-vect-stmts.c:1436
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
Created attachment 37237
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37237&action=edit
testcase
The attached testcase ICEs on aarch64 with -O3 -w:
besttry.c: In function 'main':
besttry.c:184:1: internal compiler error: in vect_get_vec_def_for_operand, at
tree-vect-stmts.c:1436
main (int argc, char *argv[])
^~~~
0xcd63d9 vect_get_vec_def_for_operand(tree_node*, gimple*, tree_node*)
$SRC/gcc/tree-vect-stmts.c:1436
0xcd8a98 vect_get_vec_defs(tree_node*, tree_node*, gimple*, vec<tree_node*,
va_heap, vl_ptr>*, vec<tree_node*, va_heap, vl_ptr>*, _slp_tree*, int)
$SRC/gcc/tree-vect-stmts.c:1591
0xcd92bb vectorizable_assignment
$SRC/gcc/tree-vect-stmts.c:4349
0xced320 vect_transform_stmt(gimple*, gimple_stmt_iterator*, bool*, _slp_tree*,
_slp_instance*)
$SRC/gcc/tree-vect-stmts.c:8180
0xcf5d9e vect_transform_loop(_loop_vec_info*)
$SRC/gcc/tree-vect-loop.c:6868
0xd13da3 vectorize_loops()
$SRC/gcc/tree-vectorizer.c:554
0xc1e8d4 execute
$SRC/gcc/tree-ssa-loop.c:420
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.
