get_or_create_initial_value (original_reg));
}
+ /* Simplify:
+ INIT_VAL(ELEMENT_REG(STRING_REG), CONSTANT_SVAL)
+ to:
+ CONSTANT_SVAL(STRING[N]). */
+ if (const element_region *element_reg = reg->dyn_cast_element_region ())
+ if (tree cst_idx = element_reg->get_index ()->maybe_get_constant ())
+ if (const string_region *string_reg
+ = element_reg->get_parent_region ()->dyn_cast_string_region ())
+ if (tree_fits_shwi_p (cst_idx))
+ {
+ HOST_WIDE_INT idx = tree_to_shwi (cst_idx);
+ tree string_cst = string_reg->get_string_cst ();
+ if (idx >= 0 && idx <= TREE_STRING_LENGTH (string_cst))
+ {
+ int ch = TREE_STRING_POINTER (string_cst)[idx];
+ return get_or_create_int_cst (reg->get_type (), ch);
+ }
+ }
+
/* INIT_VAL (*UNKNOWN_PTR) -> UNKNOWN_VAL. */
if (reg->symbolic_for_unknown_ptr_p ())
return get_or_create_unknown_svalue (reg->get_type ());