hubert.reinterpretcast added inline comments.

================
Comment at: clang/test/CodeGen/PowerPC/atomic-alignment.c:1
+// REQUIRES: powerpc-registered-target
+// RUN: %clang_cc1 -verify -triple powerpc-unkonwn-unknown -emit-llvm -o - %s 
| \
----------------
lkail wrote:
> hubert.reinterpretcast wrote:
> > hubert.reinterpretcast wrote:
> > > I am not sure about having a `CodeGen` test for this when a 
> > > `-fsyntax-only` `Layout` test would do. I believe that also removes the 
> > > need for `powerpc-registered-target`.
> > I will note that there is a concept of "preferred alignment" or "complete 
> > object alignment" that may differ from "required alignment". A `CodeGen` 
> > test like this can miss issues if the "required alignment" is wrong but the 
> > "preferred alignment" or "complete object alignment" matches what is 
> > expected.
> That's a good point. However currently, I haven't found any tests in 
> `test/Sema` performing such check and I have't figure out a way to add such 
> check. Maybe checking `__alignof__() % (expected_align) == 0` is more 
> practical.
There are tests in `test/Layout` that might be closer.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D121441/new/

https://reviews.llvm.org/D121441

_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

Reply via email to