diff options
Diffstat (limited to 'gcc/tree-vrp.c')
| -rw-r--r-- | gcc/tree-vrp.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index cffa050..21910b3 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -727,6 +727,24 @@ value_range_base::set (enum value_range_kind kind, tree min, tree max) return; } + /* Convert POLY_INT_CST bounds into worst-case INTEGER_CST bounds. */ + if (POLY_INT_CST_P (min)) + { + tree type_min = vrp_val_min (TREE_TYPE (min), true); + widest_int lb + = constant_lower_bound_with_limit (wi::to_poly_widest (min), + wi::to_widest (type_min)); + min = wide_int_to_tree (TREE_TYPE (min), lb); + } + if (POLY_INT_CST_P (max)) + { + tree type_max = vrp_val_max (TREE_TYPE (max), true); + widest_int ub + = constant_upper_bound_with_limit (wi::to_poly_widest (max), + wi::to_widest (type_max)); + max = wide_int_to_tree (TREE_TYPE (max), ub); + } + /* Nothing to canonicalize for symbolic ranges. */ if (TREE_CODE (min) != INTEGER_CST || TREE_CODE (max) != INTEGER_CST) |