zixuan-wu added inline comments.
================
Comment at: clang/test/Sema/builtin-alloca-with-align.c:32
void test8(void) {
+#if defined(__csky__)
__builtin_alloca_with_align(sizeof(__INT64_TYPE__),
__alignof__(__INT64_TYPE__)); // expected-warning {{second argument to
__builtin_alloca_with_align is supposed to be in bits}}
----------------
aaron.ballman wrote:
> rengolin wrote:
> > zixuan-wu wrote:
> > > rengolin wrote:
> > > > This test is platform agnostic, perhaps the extra error could be in a
> > > > new test, exclusively for csky?
> > > Then I prefer to split the file and add UNSUPPORTED for CSKY in the other
> > > file which only contains test8
> > But then you wouldn't be testing the extra error you want... hmm.
> >
> > Maybe it would be fine the way you did it originally.
> >
> > Would be nice to get a clang person to give their opinion.
> // Comment which explains why this is special.
> I think I would test this slightly differently:
> ```
> void test8(void) {
> __builtin_alloca_with_align(sizeof(__INT64_TYPE__),
> __alignof__(__INT64_TYPE__)); // expected-warning {{second argument to
> __builtin_alloca_with_align is supposed to be in bits}}
> #ifdef __csky__
> // expected-error@-2 {{requested alignment must be 8 or greater}}
> // Comment which explains why this is special.
> #endif // __csky__
> }
> ```
Reusing the first warning is good.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D124977/new/
https://reviews.llvm.org/D124977
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