[m-rev.] for review: exception analysis, intermodule-analysis and optimization

[Peter Wang]

On 2006-02-16, Julien Fischer <juliensf at cs.mu.OZ.AU> wrote:
> +        UseAnalysisRegistry = yes,
> +        some [!AnalysisInfo] (
> +            module_info_get_analysis_info(!.ModuleInfo, !:AnalysisInfo),
> +            module_id_func_id(!.ModuleInfo, PPId, ModuleId, FuncId),
> +            lookup_best_result(ModuleId, FuncId, any_call, MaybeBestStatus,
> +                !AnalysisInfo, !IO),
> +            (
> +                MaybeBestStatus = yes({_Call, Answer, AnalysisStatus}),
> +                ( AnalysisStatus = invalid ->
> +                    % Don't make use of invalid analysis results.
> +                    ExceptionStatus = may_throw(user_exception)
> +                ;
> +                    Answer = exception_analysis_answer(ExceptionStatus)
> +                )

lookup_best_result should never return an invalid answer, but it's okay.

> +            ;
> +                MaybeBestStatus = no,
> +                ExceptionStatus = may_throw(user_exception)
> +            ),
> +            module_info_get_name(!.ModuleInfo, ThisModuleName),
> +            ThisModuleId = module_name_to_module_id(ThisModuleName),
> +            record_dependency(ThisModuleId, analysis_name, ModuleId, FuncId,
> +                any_call, !AnalysisInfo),
> +            module_info_set_analysis_info(!.AnalysisInfo, !ModuleInfo)

Is there a case where exception analysis won't already have recorded the
dependencies?

>  %-----------------------------------------------------------------------------%
> 
> -    % can_reorder_goals(ModuleInfo, FullyStrict, Goal1, Goal2).
> +    % can_reorder_goals(ModuleInfo, VarTypes, FullyStrict,
> +    %   InstmapBeforeGoal1, Goal1, InstmapBeforegoal2, Goal2).

InstmapBeforeGoal2

Peter
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