diff options
Diffstat (limited to 'gcc/loop-doloop.c')
| -rw-r--r-- | gcc/loop-doloop.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/loop-doloop.c b/gcc/loop-doloop.c index afe65cb7d28..004dcfe72f8 100644 --- a/gcc/loop-doloop.c +++ b/gcc/loop-doloop.c @@ -248,7 +248,7 @@ add_test (rtx cond, edge *e, basic_block dest) do_compare_rtx_and_jump (op0, op1, code, 0, mode, NULL_RTX, NULL_RTX, label); jump = get_last_insn (); - if (!JUMP_P (jump)) + if (!jump || !JUMP_P (jump)) { /* The condition is always false and the jump was optimized out. */ end_sequence (); @@ -257,6 +257,10 @@ add_test (rtx cond, edge *e, basic_block dest) seq = get_insns (); end_sequence (); + + /* There always is at least the jump insn in the sequence. */ + gcc_assert (seq != NULL_RTX); + bb = split_edge_and_insert (*e, seq); *e = single_succ_edge (bb); |