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Simplest: use smallest blk addr as entry point

This commit is contained in:
Théophile Bastian 2018-11-16 18:02:12 +01:00
parent b7a5caf87f
commit aec0ab59ad
1 changed files with 10 additions and 4 deletions
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14
DwarfSynth/Simplest.ml
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@ -279,10 +279,16 @@ let rec dfs_propagate changemap propagated parent_val node graph =
dfs_propagate changemap accu cur_val (CFG.Edge.dst edge) graph)
let get_entry_blk graph =
let entry =
BStd.Seq.find (CFG.nodes graph)
(fun node -> BStd.Seq.is_empty @@ CFG.Node.inputs node graph)
in match entry with
let entry = BStd.Seq.min_elt (CFG.nodes graph) ~cmp:(fun x y ->
let ax = opt_addr_of @@ CFG.Node.label x
and ay = opt_addr_of @@ CFG.Node.label y in
match ax, ay with
| None, None -> compare x y
| Some _, None -> -1
| None, Some _ -> 1
| Some ax, Some ay -> compare (to_int64_addr ax) (to_int64_addr ay))
in
match entry with
| None -> assert false
| Some x -> x