On 08/08/2017 01:17 PM, Richard Biener wrote:
> On Tue, Aug 8, 2017 at 1:11 PM, Martin Liška wrote:
>> Hello.
>>
>> As LABEL_DECL can point to another function (non-local goto), we must
>> properly
>> compare them.
>>
>> Patch can bootstrap on ppc64le-redhat-linux and survives regression tests.
>>
>> Ready to be installed ?
>
> Ok.
Thanks.
>
> So with bb1 == bb2 == NULL could you equate them in case the DECL_CONTEXT
> functions were merged by ICF (and the labels)? (I guess it's not
> worth the trouble)
No, that would be very rare case.
Martin
>
> Thanks,
> Richard.
>
>> Martin
>>
>> gcc/ChangeLog:
>>
>> 2017-08-08 Martin Liska
>>
>> PR tree-opt/81696
>> * ipa-icf-gimple.c (func_checker::compare_cst_or_decl): Consider
>> LABEL_DECLs that can be from a different function.
>>
>> gcc/testsuite/ChangeLog:
>>
>> 2017-08-08 Martin Liska
>>
>> PR tree-opt/81696
>> * gcc.dg/ipa/pr81696.c: New test.
>> ---
>> gcc/ipa-icf-gimple.c | 6 +-
>> gcc/testsuite/gcc.dg/ipa/pr81696.c | 26 ++
>> 2 files changed, 31 insertions(+), 1 deletion(-)
>> create mode 100644 gcc/testsuite/gcc.dg/ipa/pr81696.c
>>
>>
