record ranges for enumerations. Presumably this is due to
the fact that they're rarely used directly. They are typically
cast into an integer type and used that way. */
- if (TREE_CODE (type) != INTEGER_TYPE
- /* We don't know how to deal with types with variable bounds. */
- || TREE_CODE (TYPE_MIN_VALUE (type)) != INTEGER_CST
- || TREE_CODE (TYPE_MAX_VALUE (type)) != INTEGER_CST)
+ if (TREE_CODE (type) != INTEGER_TYPE)
return 0;
switch (TREE_CODE (cond))
case GE_EXPR:
low = op1;
+
+ /* Get the highest value of the type. If not a constant, use that
+ of its base type, if it has one. */
high = TYPE_MAX_VALUE (type);
+ if (TREE_CODE (high) != INTEGER_CST && TREE_TYPE (type))
+ high = TYPE_MAX_VALUE (TREE_TYPE (type));
inverted = 0;
break;
case GT_EXPR:
high = TYPE_MAX_VALUE (type);
+ if (TREE_CODE (high) != INTEGER_CST && TREE_TYPE (type))
+ high = TYPE_MAX_VALUE (TREE_TYPE (type));
if (!tree_int_cst_lt (op1, high))
return 0;
low = int_const_binop (PLUS_EXPR, op1, integer_one_node, 1);
case LE_EXPR:
high = op1;
low = TYPE_MIN_VALUE (type);
+ if (TREE_CODE (low) != INTEGER_CST && TREE_TYPE (type))
+ low = TYPE_MIN_VALUE (TREE_TYPE (type));
inverted = 0;
break;
case LT_EXPR:
low = TYPE_MIN_VALUE (type);
+ if (TREE_CODE (low) != INTEGER_CST && TREE_TYPE (type))
+ low = TYPE_MIN_VALUE (TREE_TYPE (type));
if (!tree_int_cst_lt (low, op1))
return 0;
high = int_const_binop (MINUS_EXPR, op1, integer_one_node, 1);