- ir_graph **callers; /**< For callgraph analyses. */
- int *caller_isbe; /**< For callgraph analyses: set if backedge. */
- ir_graph **callees; /**< For callgraph analyses. */
- int *callee_isbe; /**< For callgraph analyses: set if backedge. */
+ ir_graph **callers; /**< For callgraph analysis. */
+ unsigned char *caller_isbe; /**< For callgraph analysis: set if backedge. */
+ ir_graph **callees; /**< For callgraph analysis. */
+ unsigned char *callee_isbe; /**< For callgraph analysis: set if backedge. */