mirror of
https://github.com/Mercury-Language/mercury.git
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88047bbb45
tests/general/float_test.exp3:
tests/general/float_test.m:
tests/general/read_dir_regression.exp4:
tests/general/read_dir_regression.m:
tests/hard_coded/remove_file.exp2:
tests/hard_coded/remove_file.m:
Delete Erlang backend specific expected outputs.
tests/hard_coded/Mmakefile:
tests/hard_coded/erlang_deconstruct.exp:
tests/hard_coded/erlang_deconstruct.m:
tests/hard_coded/existential_list.exp:
tests/hard_coded/existential_list.m:
tests/valid/Mmakefile:
tests/valid/erl_ite_vars.m:
tests/valid/zf_erlang_bug.m:
Delete erlang target specific tests.
tests/*:
Delete Erlang foreign procs and foreign types.
81 lines
2.4 KiB
Mathematica
81 lines
2.4 KiB
Mathematica
%---------------------------------------------------------------------------%
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% vim: ft=mercury ts=4 sw=4 et wm=0 tw=0
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%---------------------------------------------------------------------------%
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%
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% rotd-2006-06-30 and before incorrectly hoisted the method call
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% new_literal/1 in the function literal_list/1. The problem was that
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% loop invariant hoisting was considering calls (and generic_calls) with
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% modes that contained an inst `any' component as candidates for hoisting.
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%
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%---------------------------------------------------------------------------%
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%---------------------------------------------------------------------------%
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:- module any_call_hoist_bug.
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:- interface.
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:- import_module io.
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:- pred main(io::di, io::uo) is det.
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%---------------------------------------------------------------------------%
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%---------------------------------------------------------------------------%
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:- implementation.
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:- import_module int.
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:- import_module list.
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:- import_module pair.
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%---------------------------------------------------------------------------%
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:- typeclass foo(L) where [
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pred new_literal(L::oa) is det
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].
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:- instance foo(literal) where [
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new_literal(A) :- make_new_literal(A)
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].
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:- type lit_list(L) == list(pair(int, L)).
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main(!IO) :-
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LitList0 = literal_list(5) : lit_list(literal),
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LitList = cast_to_ground(LitList0),
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io.write(LitList, !IO).
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:- func literal_list(int::in) = (lit_list(L)::oa) is det <= foo(L).
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literal_list(N) = LitList :-
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( if N =< 0 then
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LitList = []
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else
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new_literal(A), % XXX This is incorrectly hoisted.
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LitList0 = literal_list(N - 1),
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LitList = [ N - A | LitList0 ]
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).
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:- mutable(literal_supply, int, 561, ground, [untrailed]).
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:- solver type literal
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where representation is int.
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:- pred make_new_literal(literal::oa) is det.
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make_new_literal(NewLiteral) :-
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promise_pure (
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semipure get_literal_supply(NextLiteral),
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impure set_literal_supply(NextLiteral + 1),
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impure NewLiteral = 'representation to any literal/0'(NextLiteral)
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).
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:- func cast_to_ground(T::ia) = (T::out) is det.
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:- pragma foreign_proc("C",
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cast_to_ground(A::ia) = (B::out),
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[promise_pure, will_not_call_mercury],
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"
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B = A;
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").
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%---------------------------------------------------------------------------%
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%---------------------------------------------------------------------------%
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