diff options
Diffstat (limited to 'gcc/tree-ssa-loop-ivopts.c')
| -rw-r--r-- | gcc/tree-ssa-loop-ivopts.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c index 7bcb981..4121d82 100644 --- a/gcc/tree-ssa-loop-ivopts.c +++ b/gcc/tree-ssa-loop-ivopts.c @@ -1254,7 +1254,8 @@ find_interesting_uses_cond (struct ivopts_data *data, tree stmt, tree *cond_p) } /* Returns true if expression EXPR is obviously invariant in LOOP, - i.e. if all its operands are defined outside of the LOOP. */ + i.e. if all its operands are defined outside of the LOOP. LOOP + should not be the function body. */ bool expr_invariant_in_loop_p (struct loop *loop, tree expr) @@ -1262,6 +1263,8 @@ expr_invariant_in_loop_p (struct loop *loop, tree expr) basic_block def_bb; unsigned i, len; + gcc_assert (loop_depth (loop) > 0); + if (is_gimple_min_invariant (expr)) return true; |