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added edge verification routines
[libfirm]
/
ir
/
ir
/
iropt.c
diff --git
a/ir/ir/iropt.c
b/ir/ir/iropt.c
index
8adb26c
..
dcc0a90
100644
(file)
--- a/
ir/ir/iropt.c
+++ b/
ir/ir/iropt.c
@@
-3811,7
+3811,13
@@
static INLINE ir_node *gigo(ir_node *node)
if (!is_Bad(get_irn_n(block, i)))
break;
}
if (!is_Bad(get_irn_n(block, i)))
break;
}
- if (i == irn_arity) return new_Bad();
+ if (i == irn_arity) {
+ ir_graph *irg = get_irn_irg(block);
+ /* the start block is never dead */
+ if(block != get_irg_start_block(irg)
+ && block != get_irg_end_block(irg))
+ return new_Bad();
+ }
}
}
}
}