diff options
Diffstat (limited to 'lib/compiler/src')
| -rw-r--r-- | lib/compiler/src/beam_trim.erl | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/compiler/src/beam_trim.erl b/lib/compiler/src/beam_trim.erl index 0f1144e87f..c11ecab927 100644 --- a/lib/compiler/src/beam_trim.erl +++ b/lib/compiler/src/beam_trim.erl @@ -166,6 +166,12 @@ try_remap([], _, _) -> throw(not_possible). remap([{block,Bl0}|Is], Map, Acc) -> Bl = remap_block(Bl0, Map, []), remap(Is, Map, [{block,Bl}|Acc]); +remap([{bs_get_tail,Src,Dst,Live}|Is], Map, Acc) -> + I = {bs_get_tail,Map(Src),Map(Dst),Live}, + remap(Is, Map, [I|Acc]); +remap([{bs_set_position,Src1,Src2}|Is], Map, Acc) -> + I = {bs_set_position,Map(Src1),Map(Src2)}, + remap(Is, Map, [I|Acc]); remap([{call_fun,_}=I|Is], Map, Acc) -> remap(Is, Map, [I|Acc]); remap([{call,_,_}=I|Is], Map, Acc) -> @@ -293,6 +299,10 @@ frame_size([{deallocate,N}|_], _) -> N; frame_size([{line,_}|Is], Safe) -> frame_size(Is, Safe); +frame_size([{bs_set_position,_,_}|Is], Safe) -> + frame_size(Is, Safe); +frame_size([{bs_get_tail,_,_,_}|Is], Safe) -> + frame_size(Is, Safe); frame_size(_, _) -> throw(not_possible). frame_size_branch(0, Is, Safe) -> @@ -320,10 +330,15 @@ is_not_used(Y, [{block,Bl}|Is]) -> killed -> true; transparent -> is_not_used(Y, Is) end; +is_not_used(Y, [{bs_get_tail,Src,Dst,_}|Is]) -> + is_not_used_ss_dst(Y, [Src], Dst, Is); is_not_used(Y, [{bs_init,_,_,_,Ss,Dst}|Is]) -> is_not_used_ss_dst(Y, Ss, Dst, Is); is_not_used(Y, [{bs_put,{f,_},_,Ss}|Is]) -> not member(Y, Ss) andalso is_not_used(Y, Is); +is_not_used(Y, [{bs_set_position,Src1,Src2}|Is]) -> + Y =/= Src1 andalso Y =/= Src2 andalso + is_not_used(Y, Is); is_not_used(Y, [{call,_,_}|Is]) -> is_not_used(Y, Is); is_not_used(Y, [{call_ext,_,_}=I|Is]) -> |