Files
mercury/tests/valid/lambda_instmap_bug.m
Zoltan Somogyi fdd141bf77 Clean up the tests in the other test directories.
tests/invalid/*.{m,err_exp}:
tests/misc_tests/*.m:
tests/mmc_make/*.m:
tests/par_conj/*.m:
tests/purity/*.m:
tests/stm/*.m:
tests/string_format/*.m:
tests/structure_reuse/*.m:
tests/submodules/*.m:
tests/tabling/*.m:
tests/term/*.m:
tests/trailing/*.m:
tests/typeclasses/*.m:
tests/valid/*.m:
tests/warnings/*.{m,exp}:
    Make these tests use four-space indentation, and ensure that
    each module is imported on its own line. (I intend to use the latter
    to figure out which subdirectories' tests can be executed in parallel.)

    These changes usually move code to different lines. For the tests
    that check compiler error messages, expect the new line numbers.

browser/cterm.m:
browser/tree234_cc.m:
    Import only one module per line.

tests/hard_coded/boyer.m:
    Fix something I missed.
2015-02-16 12:32:18 +11:00

41 lines
1.1 KiB
Mathematica

%---------------------------------------------------------------------------%
% vim: ts=4 sw=4 et ft=mercury
%---------------------------------------------------------------------------%
%
% Regression test for a case where cse_detection.m, det_analysis.m
% and simplify.m were not updating the instmap before processing
% a lambda expression, causing an abort in determinism analysis.
:- module lambda_instmap_bug.
:- interface.
:- import_module list.
:- import_module set.
:- import_module pair.
:- type instr == pair(instruction, string).
:- type instruction
---> clear(int)
; drop(int)
; join(int, int, int).
:- pred detect_streams(set(int), list(instr), list(instr)).
:- mode detect_streams(in, in, out) is det.
:- implementation.
detect_streams(Streams, Instrs0, Instrs) :-
% Don't attempt to clear or drop streams.
IsNotStreamClear =
(pred(Instr::in) is semidet :-
\+ (
( Instr = clear(Rel) - _
; Instr = drop(Rel) - _
),
set__member(Rel, Streams)
)
),
list__filter(IsNotStreamClear, Instrs0, Instrs).