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Diffstat (limited to 'lib/compiler/src/beam_jump.erl')
| -rw-r--r-- | lib/compiler/src/beam_jump.erl | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/compiler/src/beam_jump.erl b/lib/compiler/src/beam_jump.erl index 6f50bfdb9c..74f80ca70e 100644 --- a/lib/compiler/src/beam_jump.erl +++ b/lib/compiler/src/beam_jump.erl @@ -179,8 +179,9 @@ function({function,Name,Arity,CLabel,Asm0}, Lc0) -> eliminate_moves(Is) -> eliminate_moves(Is, #{}, []). -eliminate_moves([{select,select_val,Reg,_,List}=I|Is], D0, Acc) -> - D = update_value_dict(List, Reg, D0), +eliminate_moves([{select,select_val,Reg,{f,Fail},List}=I|Is], D0, Acc) -> + D1 = add_unsafe_label(Fail, D0), + D = update_value_dict(List, Reg, D1), eliminate_moves(Is, D, [I|Acc]); eliminate_moves([{test,is_eq_exact,_,[Reg,Val]}=I, {block,BlkIs0}|Is], D0, Acc) -> @@ -229,6 +230,9 @@ update_value_dict([Lit,{f,Lbl}|T], Reg, D0) -> update_value_dict(T, Reg, D); update_value_dict([], _, D) -> D. +add_unsafe_label(L, D) -> + D#{L=>unsafe}. + update_unsafe_labels(I, D) -> Ls = instr_labels(I), update_unsafe_labels_1(Ls, D). |