irgraph: Assert in get_irg_obstack(), that no object is currently growing.
[libfirm] / ir / ir / instrument.c
index ae7e8cd..d322170 100644 (file)
@@ -22,7 +22,6 @@
  * @brief   Instrumentation of graphs.
  * @date    14.4.2008
  * @author  Michael Beck
- * @version $Id$
  */
 #include "config.h"
 
 #include "ircons.h"
 #include "instrument.h"
 
-/**
- * Adds a Call at the beginning of the given irg.
- */
 void instrument_initcall(ir_graph *irg, ir_entity *ent)
 {
-       const ir_edge_t *edge;
-       ir_node         *initial_exec;
-       ir_node         *initial_mem;
-       ir_node         *start_block;
-       ir_node         *adr, *call, *new_mem;
-       ir_node         *first_block = NULL;
+       ir_node        *initial_exec;
+       ir_node        *start_block;
+       ir_node        *first_block = NULL;
        int             i, idx, need_new_block;
        symconst_symbol sym;
 
-       edges_assure(irg);
+       assure_edges(irg);
 
        /* find the first block */
        initial_exec = get_irg_initial_exec(irg);
@@ -87,14 +80,12 @@ void instrument_initcall(ir_graph *irg, ir_entity *ent)
 
        /* place the call */
        sym.entity_p = ent;
-       adr = new_r_SymConst(irg, mode_P_code, sym, symconst_addr_ent);
-
-       call    = new_r_Call(first_block, get_irg_no_mem(irg), adr, 0, NULL, get_entity_type(ent));
-       new_mem = new_r_Proj(first_block, call, mode_M, pn_Call_M);
+       ir_node *const adr         = new_r_SymConst(irg, mode_P_code, sym, symconst_addr_ent);
+       ir_node *const initial_mem = get_irg_initial_mem(irg);
+       ir_node *const call        = new_r_Call(first_block, initial_mem, adr, 0, NULL, get_entity_type(ent));
+       ir_node *const new_mem     = new_r_Proj(call, mode_M, pn_Call_M);
 
-       initial_mem = get_irg_initial_mem(irg);
-       edges_reroute(initial_mem, new_mem, irg);
+       edges_reroute_except(initial_mem, new_mem, call);
        /* beware: reroute routes anchor edges also, revert this */
        set_irg_initial_mem(irg, initial_mem);
-       set_Call_mem(call, initial_mem);
 }