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47 lines
1009 B
Mathematica
47 lines
1009 B
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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%
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% This is a regression test. The 1998 August 24 version of the compiler
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% generated incorrect code for this module, the bug being that the value
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% numbering pass did not properly flush stack slots that hold the old values
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% of hijacked nondet control slots.
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%
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% This is a cut-down version of cut_test.m
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%
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:- module nondet_ctrl_vn.
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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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:- implementation.
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:- import_module int.
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main(!IO) :-
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( if middle(100) then
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io.write_string("test succeeded: BUG.\n", !IO)
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else
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io.write_string("test failed: OK.\n", !IO)
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).
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:- pragma no_inline(middle/1).
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:- pred middle(int::in) is semidet.
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middle(A0) :-
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(
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A = A0 + 10
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;
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A = A0 + 20
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),
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A > 200,
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(
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_B = A
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;
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_B = A * 2
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).
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