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authorAnthony Ramine <[email protected]>2012-11-03 17:53:23 +0100
committerAnthony Ramine <[email protected]>2012-11-03 17:53:23 +0100
commitaa9834f86a1f2e96e5fcb058108d710d9f443ff3 (patch)
tree85e8f3c2cb99a96cb55ef3f4619eb1d4c805cc6d /lib/compiler/src
parentd5733bc3e34449affde2594d85b905c8ab440d42 (diff)
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Silence some wrong warnings triggered by inline_list_funcs
Code like `lists:map(fun(X) -> X end, ?C10k), ok` triggers the following warning: no_file:none: Warning: a term is constructed, but never used
Diffstat (limited to 'lib/compiler/src')
-rw-r--r--lib/compiler/src/sys_core_fold.erl20
1 files changed, 14 insertions, 6 deletions
diff --git a/lib/compiler/src/sys_core_fold.erl b/lib/compiler/src/sys_core_fold.erl
index 18fba7962b..17397bef2e 100644
--- a/lib/compiler/src/sys_core_fold.erl
+++ b/lib/compiler/src/sys_core_fold.erl
@@ -756,6 +756,7 @@ call_1(#c_call{anno=Anno}, lists, map, [Arg1,Arg2], Sub) ->
op=F,
args=[X]},
body=#c_cons{hd=H,
+ anno=[compiler_generated],
tl=#c_apply{anno=Anno,
op=Loop,
args=[Xs]}}}},
@@ -780,7 +781,7 @@ call_1(#c_call{anno=Anno}, lists, flatmap, [Arg1,Arg2], Sub) ->
C1 = #c_clause{pats=[#c_cons{hd=X, tl=Xs}], guard=#c_literal{val=true},
body=#c_let{vars=[H],
arg=#c_apply{anno=Anno, op=F, args=[X]},
- body=#c_call{anno=Anno,
+ body=#c_call{anno=[compiler_generated|Anno],
module=#c_literal{val=erlang},
name=#c_literal{val='++'},
args=[H,
@@ -807,7 +808,7 @@ call_1(#c_call{anno=Anno}, lists, filter, [Arg1,Arg2], Sub) ->
B = #c_var{name='B'},
Err1 = #c_tuple{es=[#c_literal{val='case_clause'}, X]},
CC1 = #c_clause{pats=[#c_literal{val=true}], guard=#c_literal{val=true},
- body=#c_cons{hd=X, tl=Xs}},
+ body=#c_cons{anno=[compiler_generated], hd=X, tl=Xs}},
CC2 = #c_clause{pats=[#c_literal{val=false}], guard=#c_literal{val=true},
body=Xs},
CC3 = #c_clause{pats=[X], guard=#c_literal{val=true},
@@ -901,7 +902,10 @@ call_1(#c_call{anno=Anno}, lists, mapfoldl, [Arg1,Arg2,Arg3], Sub) ->
op=Loop,
args=[Xs, Avar]},
#c_tuple{es=[Xs, Avar]},
- #c_tuple{es=[#c_cons{hd=X, tl=Xs}, Avar]})
+ #c_tuple{anno=[compiler_generated],
+ es=[#c_cons{anno=[compiler_generated],
+ hd=X, tl=Xs},
+ Avar]})
%%% Multiple-value version
%%% #c_let{vars=[Xs,A],
%%% %% The tuple here will be optimised
@@ -912,7 +916,8 @@ call_1(#c_call{anno=Anno}, lists, mapfoldl, [Arg1,Arg2,Arg3], Sub) ->
)},
C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true},
%%% Tuple passing version
- body=#c_tuple{es=[#c_literal{val=[]}, Avar]}},
+ body=#c_tuple{anno=[compiler_generated],
+ es=[#c_literal{val=[]}, Avar]}},
%%% Multiple-value version
%%% body=#c_values{es=[#c_literal{val=[]}, A]}},
Err = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},
@@ -955,7 +960,9 @@ call_1(#c_call{anno=Anno}, lists, mapfoldr, [Arg1,Arg2,Arg3], Sub) ->
#c_tuple{es=[Xs, Avar]},
Match(#c_apply{anno=Anno, op=F, args=[X, Avar]},
#c_tuple{es=[X, Avar]},
- #c_tuple{es=[#c_cons{hd=X, tl=Xs}, Avar]}))
+ #c_tuple{anno=[compiler_generated],
+ es=[#c_cons{anno=[compiler_generated],
+ hd=X, tl=Xs}, Avar]}))
%%% Multiple-value version
%%% body=#c_let{vars=[Xs,A],
%%% %% The tuple will be optimised away
@@ -967,7 +974,8 @@ call_1(#c_call{anno=Anno}, lists, mapfoldr, [Arg1,Arg2,Arg3], Sub) ->
},
C2 = #c_clause{pats=[#c_literal{val=[]}], guard=#c_literal{val=true},
%%% Tuple passing version
- body=#c_tuple{es=[#c_literal{val=[]}, Avar]}},
+ body=#c_tuple{anno=[compiler_generated],
+ es=[#c_literal{val=[]}, Avar]}},
%%% Multiple-value version
%%% body=#c_values{es=[#c_literal{val=[]}, A]}},
Err = #c_tuple{es=[#c_literal{val='function_clause'}, Xs]},