Re: Disabling Secondary Tests

[Ian Lance Taylor <iant at google dot com>]

Lawrence Crowl <crowl@google.com> writes:

> The PPH project has tests that compile two different ways, and
> then compare the assembly.  If either of the compiles fails, the
> comparison will fail.  We'd like to simply not run the comparison.
>
> We currently have:
>
> set have_errs [llength [grep $test "{\[ \t\]\+dg-error\[\t\]\+.*\[ \t\]\+}"]]
> # Compile the file the first time for a base case.
> dg-test -keep-output $test "$options -I." ""
>
> if { $have_errs } {
>    verbose -log "regular compilation failed"
>    fail "$nshort $options, regular compilation failed"
>    return
> }
>
> But that only stops subsequent actions when the test is known
> a priori to have errors.  How do we detect compilation errors,
> so as to skip the remainder of the actions?

I suppose you could grab test_counts(FAIL,count) before invoking dg-test
and then see if it changed after.  For extra security you could also
check for ERROR, UNSUPPORTED, UNRESOLVED and UNTESTED.

Ian