add a note so the next person doesn't have to dig so long anymore

[r27440]

diff --git a/ir/be/bechordal.c b/ir/be/bechordal.c
index 25e7227..6c5735b 100644 (file)
--- a/ir/be/bechordal.c
+++ b/ir/be/bechordal.c
@@ -332,6 +332,7 @@ static ir_node *handle_constraints(be_chordal_alloc_env_t *alloc_env,
        match_res = hungarian_solve(bp, assignment, &cost, 1);
        assert(match_res == 0 && "matching failed");
 #else
+       bipartite_dump_f(stderr, bp);
        bipartite_matching(bp, assignment);
 #endif
 
@@ -340,7 +341,7 @@ static ir_node *handle_constraints(be_chordal_alloc_env_t *alloc_env,
                const arch_register_t *reg;
                ir_node *irn;
 
-               assert(assignment[i] >= 0 && "there must have been a register assigned");
+               assert(assignment[i] >= 0 && "there must have been a register assigned (node not register pressure faithfull?)");
                reg = arch_register_for_index(env->cls, assignment[i]);
                assert(! (reg->type & arch_register_type_ignore));